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201549. （2025•西安中学•一模）     Elon Musk has offered a prize of ＄100 m for the best carbon capture proposal.I can save his committee a lot of time.The money should go to Peter Wohlleben，whose book The Hidden Life of Trees was the most encouraging blockbuster of 2015.Wohlleben's idea is this：do nothing about trees.Stop fiddling with them，thinking that we can deal with climate change better than nature.If we fiddle，our Romes will burn.
    The Hidden Life of Trees argued that trees are social.It shows that they can be our saviors.But it's terribly hard to let ourselves be saved.We think we can be the authors of our salvation（拯救）.Of course，there are things we could and should be doing，but in terms of forestry practice，often what's billed as part of the solution is part of the problem.
    Anyone who has planted a tree in their garden knows that it has a far-reaching effect—it makes your garden cooler in summer and warmer in winter.Forests cool by transpiring（蒸发）.If there's no water，there's no cooling.Drought can kill trees fast，but trees have many ways of dealing with it，and Wohlleben sets them out.As a species，we have survived many climatic changes by changing our behavior—and that's how trees survive，too.Trees learn from their past harms and produce younger ones programmed with those lessons.They regulate their growth by changing the rate at which they drip（点滴）-feed them with sugar solution through root networks.
    Deciduous（落叶的） forests in particular remove greenhouse gases effectively as long as they live.Cut them down and burn them and you're releasing carbon dioxide not just from the wood，but also from the forest floor.Deciduous trees are not"harvest-ready"at200 years：they are teenagers.We must interrogate comforting expressions such as"renewable energy"，and learn the real cost of our toilet paper.
    If we don't learn to do nothing about trees，they will eventually be alone anyway—but without us.Wohlleben brilliantly and readably shows us how urgent and how hard it is to do nothing.

（1）What does Wohlleben suggest for carbon capture？
A.Fight climate change.
B.Leave trees alone.
C.Save the earth.
D.Change forestry species.
（2）How do trees survive the drought？
A.They slow their growth.
B.They lose all their leaves.
C.They stop absorbing water.
D.They get help from humans.
（3）What can we infer from the text？
A.We can cope with climate change successfully.
B.Trees can adjust their growth by themselves.
C.It is hard to stop releasing carbon dioxide.
D.It is urgent to regulate the growth of trees.
（4）What is the author's purpose in writing the text？
A.To illustrate the carbon capture system.
B.To give an account of the survival of trees.
C.To clarify a proposal for a reward.
D.To recommend a book.

共享时间:2025-03-03 难度:2

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环境保护，议论文，

[答案]

BABD

[解析]

（1）细节理解题。根据第一段Wohlleben's idea is this：do nothing about trees.Stop fiddling with them，thinking that we can deal with climate change better than nature.If we fiddle，our Romes will burn.（Wohlleben的想法是：对树木置之不理。别再摆弄它们了，别以为我们能比大自然更好地应对气候变化。如果我们轻举妄动，我们的罗马就会被烧毁。）可知，Wohlleben主张让树木自然发挥作用。故选B。
（2）细节理解题。根据第三段Drought can kill trees fast，but trees have many ways of dealing with it，and Wohlleben sets them out.As a species，we have survived many climatic changes by changing our behavior—and that's how trees survive，too.Trees learn from their past harms and produce younger ones programmed with those lessons.They regulate their growth by changing the rate at which they drip（点滴）﹣feed them with sugar solution through root networks.（干旱可以迅速杀死树木，但树木有很多应对方法，Wohlleben提出了这些方法。作为一个物种，我们通过改变我们的行为在许多气候变化中幸存下来——这也是树木生存的方式。树木从过去的伤害中吸取教训，并根据这些教训生出更年轻的树。它们通过改变滴水的速度来调节自己的生长——通过根部网络给它们喂食糖溶液。）可知，树木通过调节生长速度来应对干旱。故选A。
（3）推理判断题。根据第三段They regulate their growth by changing the rate at which they drip（点滴）﹣feed them with sugar solution through root networks.（它们通过改变滴水的速度来调节自己的生长——通过根部网络给它们喂食糖溶液。）可知，树木通过改变速率自我调节生长。故选B。
（4）推理判断题。全文围绕《The Hidden Life of Trees》展开，根据第一段The money should go to Peter Wohlleben，whose book The Hidden Life of Trees was the most encouraging blockbuster of 2015.（奖金应给Wohlleben，其著作是2015年最鼓舞人心的畅销书）和最后一段Wohlleben brilliantly and readably shows us how urgent and how hard it is to do nothing.（Wohlleben出色地、通俗易懂地向我们展示了什么都不做是多么紧迫和困难。）可知，文章开头提到推荐Wohlleben的书，最后一段再次强调推荐这本书的重要性，所以目的是推荐这本书。故选D。

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本题考查了"环境保护，议论文，"，属于"必考题"，熟悉题型是解题的关键。

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205387. （2020•西安中学•高三上期末） Many Beijing residents go to great lengths to avoid breathing the city's smoggy air，especially when it reaches critical pollution levels，but one local entrepreneur decided that canning（灌装） and selling this poor quality air as a souvenir would be a great idea．Believe it or not，he was right．
   After seeing a number of companies achieve commercial success by canning fresh air from countries like France，Canada or Australia and selling it in China，Dominic Johnson-Hill，a British-born citizen of Beijing and owner of the Plastered 8 souvenir shop，decided to turn the idea on its head and sell canned Beijing air throughout China and abroad．
   "I'd seen people going crazy to buy canned air from Canada and Australia，so I thought it was time to push business the other way，" the entrepreneur said． "They're perfect gifts!What else are you going to take home when you go home from Beijing？A roast duck？A Plastered T-shirt？These cans are light，portable，you can just imagine someone' s face when they unwrap （打开） it for Christmas．"
   The few mouth-fulls of Beijing air come in standard tin cans featuring a couple of iconic city landmarks as well as a bitter description of the contents： "a unique mix of nitrogen，oxygen and some other stuff"．The ironic （讽刺的） souvenirs cost 28 RMB （US ＄4）and are available at the Plastered 8 shop，as well as on its online shop．But if you're actually considering buying some，you'd better ask shop in advance，as they are virtually flying off the shelves．Johnson-Hill said that hiop is selling hundreds of Beijing air cans every day．
   Personally，the well-sold can probably is an awakening for the public to be concerned about the living conditions．Yet one thing that' s not particularly clear is whether the air is really collected from Beijing，as the cans are labeled as "Made in Shenzhen"．There's a big chance that's just a kind of Plastered 8 humor，as they also list "Choking Hazard" and "May have unidentified objects inside．" as warnings．
   Anyway，it is probably a unique way to arouse public awareness of protecting the environment．

（1）What contributes to Dominic's idea of canning and selling the poor quality air？
A．Try to get used to it．
B．Sell it all over the world．
C．Can it as a souvenir．
D．Try to push business the other way．
（2）How may one feel when receiving canned Beijing air for Christmas？
A．Satisfied．
B．Surprised．
C．Frightened．
D．Refreshed．
（3）Which of the following can replace the underlined word "stuff" in Paragraph 4？
A．liquids
B．objects
C．minerals
D．risks
（4）What can we infer from the passage？
A．There are unidentified objects in the canned Beijing air．
B．The Plastered 8 souvenir shop is famous for its humour．
C．People should make efforts to protect the environment．
D．Dominic Johnson-Hill likes the poor quality air in Beijing．

共享时间:2020-02-02 难度:3 相似度:1.67

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204375. （2023•铁一中学•高三上期末） Leftover again？Hurray Here's the deal：You're as hungry as a horse and you want a delicious meal from a fine restaurant，but you're a little low on funds．
   So what do you do？If you happen to live in Europe，the answer is as easy as pie：You pull out your smartphone or tablet，and tap Too Good To Go，Europe's most popular app．Approximately 23，000 restaurants and food sellers post their leftover offerings on the app for half their usual cost．
   Why all this incredible generosity？Unbelievably，one-third of the world's food is thrown away，and nearly one billion people don't have enough to eat．Besides，burning wasted food releases harmful carbon dioxide emission into the atmosphere，which contributes to climate change．That's why environment-minded companies around the world are creating apps for phones，tablets，and other smart devices that connect uneaten food with people who want or need it．
   After a long day at work，Anne，a 34-year-old student，pulls out her smartphone and chooses a noodle dish-pasta with mushrooms．Then she heads to a restaurant on the banks of the Spree River，where the owner packs her dinner and also offers her a scoop of free ice cream，which is a reward for bringing her own container．
   Indeed，there are many programs serving the same mission around the world．In America，people are using an app called Food for All．One hour before a restaurant closes，its staff can post leftover meals to the app for up to 80 percent off menu prices．The app also allows customers to donate leftover meals to others．
   In the Netherlands，77，000 people have downloaded an app called NoFoodWasted．This program allows grocery store workers to share products that are approaching their expiration dates with customers who might need them．
   Some countries are taking their commitment to reducing food waste a step further．France and the Czech Republic，for example，have laws that prohibit restaurants and grocery stores from throwing away food．Instead，workers are required to donate that food to charity．
    So think about if there might be a better use for your uneaten vegetables．The planet will thank you．

（1）What is this passage mainly about？
A．Restaurants can post leftover meals on the app Food for All．
B．Apps are designed connecting leftover food with people in need．
C．Storeare food approaching their expiration dates with customers．
D．It's popular for people to claim food that might otherwise be thrown away．
（2）What is the result when lots of food is thrown out and later burned up？
A．Carbon dioxide is given off，worsening the problem of climate change．
B．Some countries have laws making restaurants donate the food they make．
C．Governments have made many apps that let people find cheap meals．
D．Nearly one billion people on the planet do not get enough food to eat．
（3）What can you infer from the passage？
A．Anne packed a tasty pasta and mushroom dish to give away to charity．
B．The restaurant Anne visits sells its leftover food at a discount each day．
C．The 80-percent-off deal offered on app is not available during lunch hours．
D．Laws have been passed to prevent restaurants from throwing out leftover food．
（4）This passage would be most useful for a student research project on       ．
A．application of technology to help solve the problem of leftover food
B．laws to help promote the safe transportation and sale of food products
C．restaurants using high-tech solutions to reduce packaging waste
D．methods to design apps that connect restaurants with customers

共享时间:2023-02-20 难度:2 相似度:1

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203035. （2017•铁一中学•一模） The following passage is adapted from the writings of a Nobel Prize-winning scientist．
   Any scientist who is not a pretender will admit the important part that luck plays in scientific discovery．A colleague and I carried out an experiment in which little tissue fragments（组织碎片），which were very difficult to work with，were injected into mice of different DNA strains．If we had been more experienced，we would have injected only white blood cells （which would have been easier to handle） into the mice．We now know that if we had done this，we would not have made the discovery．Obviously，we were lucky，but our scientific training enabled us to recognize the significance of the accident．
   It might nevertheless seem as if luck plays a significant role in scientific discovery．However，I would like to challenge this view for the following reasons：we sometimes describe as "lucky" a person who wins a prize in a lottery at long odds；but if we describe such an event as luck，what word shall we use to describe the accidental discovery of a lottery ticket that turns out to be the winning one just on a park bench？
   The two cases are quite different．A person who buys a lottery ticket is putting himself or herself in the way of winning a prize．This individual has，so to speak，purchased candidacy（候选资格）for such a turn of events and all the rest is a matter of mathematical probabilities．So it is with scientists．A scientist is anyone who，by observations and experiments conducted，by the literature read，and even by the company kept，puts himself or herself in the way of making a discovery．These individuals，by deliberate action，have enormously enlarged their awareness-their candidacy for good fortune-and will now take into account evidence of a kind that a beginner or a casual observer would probably overlook or misinterpret．
   Nearly all successful scientists have emphasized the importance of preparedness of mind，and I want to emphasize that this preparedness of mind is worked for and paid for by a great deal of effort and reflection．If these efforts lead to a discovery，then I think it would be inappropriate to credit such a discovery to luck．
（1）The outcome of the experiment described in paragraph one suggests that
A．luck play an insignificant part in scientific discovery
B．the injection of only while blood cells allowed the two scientists to make their discovery
C．It was difficult to inject little tissue fragments into mice of different DNT strains
D．the scientists concerned in the experiment were able to benefit from luck
（2）The author uses the example of the lottery winner in order to suggest that
A．blind luck occurs more frequently than people realize
B．luck plays a more important part in most events than people realize
C．luck is not the correct term to use when referring to a significant scientific discovery
D．luck is the best word to be used to describe the accidental discovery in science
（3）The author implies that a scientist achieves " candidacy for good fortune" by
A．making careful and repeated mathematical calculations
B．depending on feelings rather than on scientific research
C．performing enough experiments to increase the statistical probability of success
D．obtaining knowledge that allows him or her to recognize important evidence
（4）The primary purpose of the passage is to
A．make a single definition of luck
B．show that scientists discover what they intend to find
C．compare scientific discovery to a lottery game
D．discuss the role of luck in science

共享时间:2017-03-09 难度:2 相似度:1

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203573. （2025•临潼区•高一上期末）     An adult African elephant consumes about 223 liters of water and 3，080 pounds of roots，grass and fruit daily.That's like having 634 cans of soda and 1，200 hamburgers every day.This keeps them moving thousands of miles across Africa each year.Elephants usually migrate between March and May.Females live in groups with their children，and quickly run out of the food supply.They hit the road in search of food.Male elephants live alone，so they don't use resources as quickly as the females.Instead，they migrate during their mating cycle.When the females pack their trunks，so do the males.
   During migration，elephants face short water supplies and extremely high temperatures.But people are their number-one problem.Poachers（偷猎者） kill 35，000 elephants each year for ivory.Many African farmers build fences（栅栏） to protect crops and cattle，which might block regular migration paths.Traffic roads affect elephant migration，too.During one study of 28 elephants in Central Africa，only one female crossed an unprotected road.
   Scientists，wildlife organizations and governments cooperate to find solutions for Africa's elephants."To unlock the secret of where elephants move and how they move，we place collars（项圈）with a satellite unit inside，"Dr.Michael Chase says.GPS collars help map which routes elephants use most so that countries can establish protected elephant passages.
    Locals come in as well.James Isiche，East Africa Director of the International Fund for Animal Welfare says，"We have got the community on our side by a project；they've agreed to partner with us to conserve elephants."The local community run wildlife parks to attract tourists."This project helps us take care of both the wildlife and our cows，""says Sikira，a tribal elder in Maasai，Kenya.Protecting elephant migration routes allows these gentle giants to survive.

（1）What can we learn about the elephants from paragraph 1？
A.They show an interest in hamburgers.
B.They move south to survive the cold.
C.They migrate for different reasons.
D.Females live shorter for food shortage.
（2）What is paragraph 2 of the text mainly about？
A.Results of poaching.
B.Reasons for killing elephants.
C.Difficulties in migrating.
D.Efforts to protect migration paths.
（3）Why are collars applied by scientists？
A.To discover the secret of migration.
B.To track elephants with technology.
C.To identify the population of elephants.
D.To explore a new route for migration.
（4）What is the best title for the text？
A.Say No to Ivory
B.A Journey in Africa
C.Ready for the Move
D.Technology in Migration

共享时间:2025-02-15 难度:2 相似度:1

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203658. （2024•师大附中•高二上期末） Transport is undergoing a massive transformation so it can meet society's demands for a low- carbon economy.Introducing electric vehicles （EV） and declining gasoline use are helping，but zero-carbon hydrogen can speed up both the transition （转变） and long-term decarbonization of transport.
   In the US，transportation produces the largest share of all greenhouse gas emissions （排放） in the economy at 29%，according to the Environmental Protection Agency.More than 90% of transport fuel is petrol based，but if more vehicles used hydrogen，emissions of this kind would plummet.
   However，hydrogen is not considered an ideal replacement for gasoline as an engine fuel for cars because it is harder to store safely.And while fuel cell electric vehicles （FCEVs） that turn hydrogen into electricity can compete with EV performance-and even out-compete them on range and refill time，extra energy is needed to produce the hydrogen needed for fuel.Also，finding investment for storage，pipelines and fuel stations is still a challenge for many nations.
   Currently，governments worldwide are backing green hydrogen projects to reduce greenhouse gas emissions in heavy industries like freight （货运），steel，and energy storage.But hydrogen transport will need rapid production methods to create the fuel needed for the world's road fleet.
   Thankfully，research is advancing all the time.Nanoscale （纳米级的） thin films are applied to improving the chemical process to rapidly harvest hydrogen from the seawater.The same technology has been successfully used in solar power devices with higher efficiency-to-cost rates.Since hydrogen is the most abundant element in the universe and as seawater makes up about 96% of all water on Earth，there is a virtually limitless supply.
   Even wastewater and solid waste can create green hydrogen.Researchers at Princeton University are using sunlight to separate hydrogen from industrial wastewater.Chemical plants that currently face high costs for cleaning wastewater could transform it into clean hydrogen supplies.

（1）What does the underlined word "plummet" mean in Paragraph 2？
A．Stop.
B．Decrease.
C．Continue.
D．Disappear.
（2）What is Paragraph 3 mainly about？
A．Ways of storing hydrogen safely.
B．Benefits of fuel cell electric vehicles.
C．Challenges of using hydrogen as car fuel.
D．Differences between gasoline and hydrogen.
（3）What makes it more efficient to get hydrogen from the ocean？
A．The application of solar power devices.
B．The method of identifying water elements.
C．The invention.of the water transport system.
D．The use of the nanoscale thin-film technology.
（4）Which of the following can be a suitable title for the text？
A．Clean Energy Hydrogen Ready to Take Off.
B．Traditional Fuels Bound to Reach a Dead End.
C．How We Can Generate Energy from Hydrogen.
D．What the Future of Transportation May Be Like.

共享时间:2024-02-09 难度:2 相似度:1

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203806. （2024•周至四中•高一上期末） It was a village in India．The people were poor．However，they were not unhappy．After all，their forefathers had lived in the same way for centuries．
   Then one day，some visitors from the city arrived．They told the villagers there were some people elsewhere who liked to eat frog's legs．However，they did not have enough frogs of their own，and so they wanted to buy frogs from other places．
   This seemed like money for nothing．There were millions of frogs in the fields around，and they were no use to the villagers．All they had to do was catch them．Agreement was reached，and the children were sent into the fields to catch frogs．Every week a truck arrived to collect the catch and hand over the money．For the first time，the people were able to dream of a better future．But the dream didn't last long．
   The change was hardly noticed at first，but it seemed as if the crops were not doing so well．More worrying was that the children fell ill more often，and，there seemed to be more insects around lately．
   The villagers decided that they couldn't just wait to see the crops failing and the children getting weak．They would have to use the money earned to buy pesticides （杀虫剂） and medicines．Soon there was no money left．
   Then the people realized what was happening．It was the frog．They hadn't been useless．They had been doing an important job-eating insects．Now with so many frogs killed，the insects were increasing more rapidly．They were damaging the crops and spreading diseases．
   Now，the people are still poor．But in the evenings they sit in the village square and listen to sounds of insects and frogs．These sounds of the night now have a much deeper meaning．

（1）From Paragraph 1，we learn that the villagers       ．
A．worked very hard for centuries
B．dreamed of having a better life
C．were poor but somewhat content
D．lived a different life from their forefathers
（2）Why did the villagers agree to sell frogs？
A．The frogs were easy money．
B．They needed money to buy medicine．
C．They wanted to please the visitors．
D．The frogs made too much noise．
（3）What might be the cause of the children's sickness？
A．The crops didn't do well．
B．There were too many insects．
C．The visitors brought in diseases．
D．The pesticides were overused．
（4）What can we infer from the last sentence of the text？
A．Happiness comes from peaceful life in the country．
B．Health is more important than money．
C．The harmony between man and nature is important．
D．Good old days will never be forgotten．

共享时间:2024-02-09 难度:2 相似度:1

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203938. （2024•鄠邑二中•高一下期末）     Bumblebee （大黄蜂） populations have declined （下降） by 90 percent in the past 20 years.The decline of the bumblebees is highly concerning as they are significant for ecosystems.They pollinate （授粉） flowers and crops.If their populations were to continue to decline，crops would not be able to produce fruits and vegetables.Despite being small，they are important to nature's balance.
    And now，a new study published in the Frontiers in Bee Science has found that the rising heat caused by global warming might be a reason for the decrease in numbers across the globe. "The decline in populations and ranges of several species of bumblebees may be explained by issues of overheating of the nests，" Peter Kevan of the University of Guelph in Canada and lead author of the study said in a statement.
    Kevan and his colleagues decided to take a closer look at the facts relating to bumblebee populations across the world.Kevan and the colleagues looked at 180 years of literature on the species and found one common reason across all bumblebee species that they can survive in temperatures up to 36 degrees Celsius，but the perfect temperature for nests is between 28 to 32 degrees Celsius.They are unlikely to be able to adjust themselves to the extent that rising temperatures due to climate change require，the study reports.While individual bees may be able to deal with increased heat better than others，the study notes that if nests are too hot，the groups will not survive.
    "The effect of high nest temperatures has not been studied very much，which is surprising，" Kevan said.Similar studies have been done on honeybees （蜜蜂），another threatened yet highly important species.This suggests further that heat stress is a major factor in bees' overall decline.
    Although the studies led by Kevan have limitations，the potential effects for bumblebee health and conversation are large and long-term.

（1）What do we know about bumblebees from paragraph 1？
A.They have been extinct within decades in America.
B.Their populations have decreased a lot in the last two decades.
C.Americans are concerned about their living environment.
D.They tend to depend on flowers and crops to survive.
（2）How did Kevan and his coworkers carry out the study？
A.They raised bumblebees to observe them.
B.They focused on studying individual bumblebees.
C.They conducted experiments on bumblebees.
D.They studied literature on bumblebees.
（3）What is the author's attitude toward Kevan's studies？
A.Unclear.
B.Supportive.
C.Doubtful.
D.Uninterested.
（4）Which can be a suitable title for the text？
A.Big Results for Small Bumblebees
B.Bumblebees Protection Inspires Scientists
C.The Impact of Climate Change on Honeybees
D.Research Shows the Main Reason of Bumblebee Decline

共享时间:2024-07-12 难度:2 相似度:1

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203977. （2024•高新一中•高二下期末） Soot （煤） pollution is speeding up climate-driven melting in Antarctica，a new study suggests，raising questions about how to protect the delicate continent from the increasing number of humans who want to visit.
"It really makes us question，is our presence really needed？" says Alia Khan，one of the authors of the new study. "We have quite a large black carbon footprint in Antarctica，which is enhancing snow and ice melt."
   Black carbon is the leftover thing from burning plants or fossil fuels.Soot in Antarctica comes primarily from waste gases of cruise ships （游轮），vehicles and airplanes，although some pollution travels on the wind from other parts of the globe.The dark particles （微粒） coat white snow and absorb heat from the sun the way a black T-shirt does on a warm day.The blanket of dark bits speeds up melting that was already happening more quickly because of global warming.
   When snow and ice are uncovered，they reflect an enormous amount of sunlight before it can turn into heat. "These are the mirrors on our planet，" says Sonia Nagorski，a scientist at the University of Alaska Southeast. "When those mirrors are covered in a film of dark bits，they don't send back that much light and heat.That means more heat is trapped on Earth，speeding up melting and contributing to global warming."
   As a scientist who personally visits Antarctica every year，Khan saye is troubled by her own research results.On the one hand，she goes to Antarctica to collect crucial data about how quickly the snow and ice there are disappearing. "But then when we come to conclusions like this it really does make us think twice about how frequently we need to visit the continent，" she says， "and what kind of regulationould be placed on tourism as well." That could mean requiring that cruise ships and vehicles be electric，for example，or limiting the number of visitors each year.

（1）What is Khan's attitude towards human actions in Antarctica according to paragraph 2？
A．Angry and abusive.
B．Cold and uninterested.
C．Doubtful and anxious.
D．Admiring and delighted.
（2）What is the main cause of soot pollution in Antarctica？
A．The quick melting of ice and snow.
B．The emission from virous transport.
C．The remaining parts of burning plants.
D．The floating gases from other continents.
（3）What do we know from Nagorski？
A．The covered ice is less reflective.
B．The melting speed of ice is slower than before.
C．The dark blanket serves as a big mirror.
D．The sunlight gets increasingly stronger recently.
（4）Which is the most suitable title for the text？
A．What made our planet so polluted？
B．Who is to blame for air pollution？
C．Can electric vehicles save tourism？
D．Are we welcome to the South Pole？

共享时间:2024-07-15 难度:2 相似度:1

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204080. （2023•西安中学•高一上期末） If English means endless new words，difficult grammar and sometimes strange pronunciation，you are wrong.Haven't you noticed that you have become smarter since you started to learn a language？
   According to a new study by a British university，learning a second language can lead to an increase in your brain power.Researchers found that learning other languages changes grey matter.This is the area of the brain which processes information.It is similar to the way that exercise builds muscles.
   The study also found the effect is greater when the younger people learn a second language.A team led by Dr.Andrea Mechelli，from London University，took a group of Britain people who only spoke English.They were compared with a group of "early bilinguals" who had learnt a second language before the age of five，as well as a number of later learners.
   Scanowed that grey matter density in the brain was greater in bilinguals than in people without a second language.But the longer a person waited before mastering a new language，the smaller the difference was.
   "Our findings suggest that the structure of the brain is changed by the experience of learning a second language，" said the scientists.It means that the change itself increases the ability to learn.
   Professor Dylan Vaughan Jones of the University of Wales has researched the link between bilingualism and math skill. "Having two languages gives you two windows on the world and makes the brain more flexible，" he said. "You are actually going beyond language and have a better understanding of different ideas."
   The findings were matched in a study of native Italian speakers who had learned English as a second language between the ages of 2 and 34.Reading，writing and comprehension were all tested.The resultowed that the younger they started to learn，the better. "Studying a language means you get an entrance to another world，" explained the scientists.

（1）The main subject talked about in this passage is       .
A．science on learning a second language
B．man's ability of learning a second language
C．language can help brain power
D．language learning and math study
（2）In the second paragraph，the writer mentions "exercise" in order to       .
A．say language is also a kind of physical labor
B．prove that one needs more practice when he/she is learning a language
C．show the importance of using the language when you learn the language
D．make people believe language learning helps grey matter work well
（3）In the last two paragraphs，the author wants to tell us that       .
A．learning a second language is the same as studying math
B．early learning of a second language helps you a great deal in study other subjects
C．Italian is the best choice for you as a second language
D．we'd better choose the ages between 2 and 34 to learn a second language

共享时间:2023-02-14 难度:2 相似度:1

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204106. （2023•西安中学•高二上期末） I walked along the sidewalk that borders the west side of Central Park this morning，wondering at itape：Hexagonal（六边形的） paving stones underneath my feet were bordered by brickwork，with a tidy stone wall running alongside.Just past the wall lay the park itself，where delicate branches of leafless trees reached to the blue sky，and sparrows emerged from trees.
   The contrast between the straight-lined，orderly，man-made sidewalk and the complex diversity of nature just beyond its border made me think about the differences between natural creation and man's creation.
   The world holds many examples of circles：the moon，grapes，drops of water and the center of flowers.Triangles（三角形） are readily evident，too.There are kitty cat noses and ears，mountain peaks and river deltas.
   But what about the most common shape in the man-made world，the rectangle（矩形）？I searched my brain for natural equals.Though I thought and thought，I came up with only two：teeth and salt crystals.That surprised me.Do we prefer rectangles simply because it's easier to plan and build with blocks and straight lines？Or does it have something to do with the idea that humans tend to assume life is supposed to be linear？I don't know.
   There are bent lines everywhere.As I look at the beauty of，a tree in winter，with its branches reaching skyward in a seemingly untidy but obviously planned pattern，I can apprehend something of what that means.
   Our world isn't always tidy and predictable in the way that I want it to be.There are twists and turns in my life that I can't foresee or predict.That doesn't mean branching off in unexpected directions is bad or wrong.It means that when I find myself in each new place，I need to continue growing and reaching upward.

（1）How did the author feel about the sidewalk'ape？
A．disappointed.
B．surprised.
C．worried.
D．pleased.
（2）What is the author' s attitude to the variouapes mentioned in the text？
A．negative.
B．cautious.
C．unconcerned.
D．objective.
（3）Which can explain the underlined word "apprehend" in paragraph 5？
A．create.
B．imagine.
C．understand.
D．arrange.
（4）What may the author agree with？
A．People should live in a complex world.
B．Triangles are the most common in nature.
C．Natural creation and man's creation should be balanced.
D．We should move forward in the face of uncertainties.

共享时间:2023-02-23 难度:2 相似度:1

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204108. （2023•西安中学•高二上期末） Climate change disproportionately affects the world's most vulnerable people，particularly poor rural communities that depend on the land for their livelihoods and coastal populations throughout the tropics.We have already seen a chain of tough suffering that results from extreme weather events，such as hurricanes，floods，droughts，wildfires，and more.
   For remedies，advocates and politicians have tended to look toward cuts in fossil-fuel use or technologies to capture carbon before it enters the atmosphere—both of which are crucial.But this focus has overshadowed the most powerful and cost-efficient carbon capture technology in the world.Recent research confirms that forests are absolutely essential in reducing climate change，thanks to their ability to absorb and isolate carbon.In fact，natural climate solutions such as conservation and restoration of forests，along with improvements in land management，can help us achieve 37 percent of our climate target of limiting warming to a maximum of two degrees Celsius above preindustrial levels，even though they currently receive only 2.5 percent of public climate financing.
   Forests' power to store carbon dioxide is staggering：one tree can store an average of about 48 pounds in one year.Intact（完整的）forests could take in the CO₂ emissions of some entire countries.
   For this reason，policymakers and business leaders must create and enforce policies to prevent deforestation，foster，reforestation of degraded land，and promote the sustainable management of standing forests in the fight against climate change.Protecting the world's forests ensures they can keep performing essential functions such as producing oxygen，filtering water and supporting biodiversity.Not only does the world's entire population depend on forests to provide clean air，clean water，oxygen and medicines，but 1.6 billion people also rely on them directly for their livelihoods.
   Unfortunately，a huge amount of forest continues to be converted into agricultural land to produce a handful of resource-intensive commodities - despite zero-deforestation commitments from companies and governments.So now is the time to increase forest protection and restoration.This action will also address a number of other pressing global issues.For example，in less developed，rural areas - especially in the tropics - community-based forest-management programs can forge pathways out of poverty.In the Peten region of Guatemala，for instance，community-managed forests boasted a near-zero deforestation rate from 2000 through 2013，as compared with 12 percent in nearby protected areas and buffer（缓冲）zones.These communities have built low-impact，sustainable forest-based businesses that have stimulated the economy of the region enough to fund the creation of local schools and health services.Their success is especially noticeable in a location where，outside these community-managed zones，deforestation rates have increased 20-fold.

（1）Which of the following statements about natural climate solutions is true according to the passage？
A．They are the only effective strategies available to address the climate change.
B．They pale in comparison with the reduction in fossil-fuel use or technologies.
C．They can and should play a more important role in cutting carbon emissions.
D．They manage to limit warming to two degrees Celsius above pre-industrial levels.
（2）The word "staggering" （Paragraph 3）is closest in meaning to "        ".
A．documented
B．incredible
C．unsteady
D．negligible
（3）Which of the following statements is the author most likely to agree with？
A．The policies to prevent deforestation have borne fruit.
B．Developed countries are hit the hardest by climate change.
C．Economic growth contributes a lot to reducing deforestation.
D．Some governments fail to keep their promises to preserve forests.
（4）What does the passage mainly talk about？
A．Keeping forests undamaged can go a long way toward saving the planet.
B．A high-tech climate fix is required to dramatically lessen global warming.
C．Governmentould work together with businesses to stop deforestation.
D．Sustainable management of forests is crucial in powering regional development.

共享时间:2023-02-23 难度:2 相似度:1

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204262. （2023•长安区•高一上期末）     Sandstorms are among the most violent natural disasters.High winds lift dirt or sand into the air，causing damage，injuries，and deaths. （1）
    （2）        If you have a mask，put it on immediately.If you don't have one，wrap a piece of cloth tightly around your head to protect your nose and mouth.
    Look for shelter （避难所）.Even a parked car will do，so long as it is off the road and not in danger of getting hit.Sand will fly around when it hits objects. （3）        If you cannot get to shelter，try to stay low to the ground and protect your head with your arms，a backpack or a pillow.
    Protect yourself from flying objects.Look for a large rock to cover as much of your body as possible. （4）        Flying sand can hurt，but a dust storm's high winds can also carry heavier （more dangerous） objects.
    Wait out the storm. （5）        It's much too dangerous.Stay where you are and wait for it to pass before you attempt to move to a different location.If you can quickly reach such shelter before a dust storm reaches you，get there as quickly as possible and stay inside.Close all windows and doors，and wait out the storm.

A．Cover your nose and mouth.
B．Wait other people to help you.
C．Staying out is a better choice.
D．Don't try to move through the storm.
E．This can protect you from flying sand.
F．So you should still try to cover as much of your skin and face as possible.
G．It's good to know what to do if you see a wall of sand.

共享时间:2023-02-10 难度:2 相似度:1

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204356. （2023•铁一中学•高一上期末）      Friday and Saturday were full of surprises for Chinese，as two places in China were listed as UNESCO World Heritage sites.The first，a World Natural Heritage，is composed of a series of migratory bird sanctuaries （候鸟保护地） along the coast of the Yellow Sea in Yancheng，East China's Jiangsu Province.The second，the Liangzhu Archaeological Site in Hangzhou，East China's Zhejiang Province，was listed as a World Cultural Heritage site.
     China began the application process for the bird sanctuaries in 2017.It only took two years to successfully complete the process.The migratory bird sanctuaries are the central node of the East Asian-Australasian Flyway and many endangered species，especially threatened migratory birds including red-crowned cranes and flamingos，go there to hunt for food during the migration season.The birds usually take a month to finish their migration.At about 10 days into their migration，they must stop and find food in order to have the energy to continue their journey.
    Compared to the short turnaround for the World Natural Heritage's application，the Liangzhu application was far more complicated.The application team spent six years making their dream a reality.The site in Liangzhu is evidence of the existence of an early regional state in the lower reaches of the Yangtze River during the late Neolithic period in China，which helps fill in the gaps in the history of the rice-cultivating civilizations of China and East Asia more than 5000 years ago.The site was one of the 20th century's most important archaeological discoveries in China.
    With these two new additions，China now has 55 World Heritage sites，the highest number in the world.The successful application means greater responsibility and obligations （义务）.Protecting these places is much more important and is our future work.

（1）What is special about the migratory bird sanctuaries？
A．It's the first China's world natural heritage on the sea.
B．It provides safe habitats for endangered species.
C．It's located along the coast of the Yellow River.
D．It supplies abundant fresh water to migratory birds.
（2）According to Paragraph 2，how do migratory bird sanctuaries protect birds？
A．By creating warm places to produce baby birds.
B．By preventing them from being killed by hunters.
C．By providing food supplies during their migration.
D．By curing the endangered birds after their journey.
（3）Why is Liangzhu chosen for the world heritage site？
A．It shows the long history of China.
B．It proves the wisdom of the people.
C．It witnesses the civilization of an age.
D．It reveals the food of the late Neolithic.
（4）What is the last paragraph mainly talking about？
A．The application success's promotion of tourism.
B．Chinese responsibilities after the successful application.
C．The two places' influence on Chinese history.
D．Chinese challenge of protecting birds' migration.

共享时间:2023-02-19 难度:2 相似度:1

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204393. （2023•铁一中学•高二下期末） In southeastern Brazil，local fishers walk into dark waters in search of mullet （鲻鱼） On their own，it would be tricky to find the silvery fish.But the humans get help from an unusual partner：wild bottlenose dolphins.
   With nets in hand，the fishers patiently wait as their cetacean （鲸类的） partners drive the fish toward the shore.A signal from the dolphins—usually a deep dive—indicates when they should cast their nets.This fishing partnership has passed down through the generations，lasting for more than a century.
   While researchers knew humans profited from this pairing，they couldn't confirm whether it benefited the dolphins.Now，in a new study in Proceedings of the National Academy of Sciences，researchers suggest cetaceans that hunt with humans have more chances to live than those that don't.
   "Human-wildlife cooperation in general is a rare phenomenon at a global scale." says Mauricio Cantor，a biologist at Oregon State University and leader of the study. "Usually humans gain the benefit，and nature pays the cost.But this interaction has been happening for over 150 years."
   Fishers were more successful when they worked with the dolphins.When dolphins were present，the fishers were 17 times more likely to catch prey （猎物） and netted nearly four times more mullet when they timed their casting with the cetaceans' signals.Eighty-six percent of all 4.955 mullet caught during the study period came from "synchronous （同时的） interactions"—when the allies organized their actions perfectly with one another.
   The study also revealed dolphins hunting with humans had a 13 percent increase in survival rate over other dolphins.These cooperative dolphins are more likely to stay near the shore，reducing their chance of entanglement （缠绕） in illegal fishing equipment.Besides，the dolphins can take some fish directly from the fishers' harvest.

（1）What do the first two paragraphs talk about concerning Brazilian fishers？
A．They trick dolphins into fishing for them.
B．They harvest more fish with dolphins' help.
C．They have been training dolphins over a century.
D．They cast the fishing nets when dolphins surface.
（2）What does Mauricio Cantor's research show？
A．Nature favors human beings at a huge cost.
B．Fishers benefit from cooperating with cetaceans.
C．Human-wildlife interaction is a new global trend.
D．Dolphins working with man have higher survival rate.
（3）What does the underlined word "allies" refer to in paragraph 5？
A．Prey.
B．Mullet.
C．Partners.
D．Researchers.
（4）What's the author's main purpose in writing the text？
A．To appeal for the protection of sea creatures.
B．To show a unique human-dolphin relationship.
C．To applaud for development in fishing research.
D．To encourage fishers to better draw on dolphins.

共享时间:2023-07-10 难度:2 相似度:1

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201578. （2025•长安区•一模）     Will artificial intelligence （AI） replace my job？This is a question that many people think about these days.At present，the application of AI robotics in professional fields，as well as ChatGPT's abilities to write essays，solve complex problems and more，have heightened moral concerns.
    Some people see AI as the ultimate cure for society's most fundamental problems，while others fear that AI will overtake human intelligence.These two views are based on the assumption that AI is better and smarter than humanity and may ultimately replace human decision-making.But given the fact that technology is the product of human civilization，the challenge from AI is something we have created for ourselves as we keep pushing our own boundaries.In other words，AI's progress，functions and future direction are all determined by the human brain.
    Before AI becomes a threat to humanity，the international community should reach an agreement on the role it is to play.More importantly，related laws and regulations must ensure that AI will benefit society and prevent it from threatening human life.Robots，for example，are believed to develop emotional intelligence sometime，which enables them to recognize，understand and express emotions in a way that is similar to humans，but we must avoid AI copying human emotions.Without legal restrictions，AI may become a social disaster.
    The AI-driven new industrial revolution（革命） is irreversible.This，like previous ones，which introduced changes that had been unimaginable before，will certainly affect human employment.But it always turned out humanity was able to adapt to each industrial revolution and create new forms of employment.Therefore，it's unnecessary to worry AI will replace our jobs.While technology advances at a rapid pace，what we need to do is to welcome the AI era rather than block its unfolding for fear of the unknown.

（1）Why are some people concerned about AI？
A．It has been applied widely.
B．It has led to social problems.
C．It may outsmart humans.
D．It is the product of humanity.
（2）How can we prevent AI's potential threat？
A．By stirring emotions.
B．By setting restrictions.
C．By blocking functions.
D．By changing regulations.
（3）What does the underlined word "irreversible" in the last paragraph mean？
A．Undesirable.
B．Unbelievable.
C．Unpredictable.
D．Unavoidable.
（4）What does the writer suggest readers do with the coming of the AI era？
A．Deal with it positively.
B．Accept it passively.
C．Respond to it randomly.
D．Defend it unconditionally.

共享时间:2025-03-05 难度:2 相似度:1

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2025-03-03

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