流动性

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252633. （2025•铁一中学•高三上一月）     What if your next job is just a weak tie away？A recent study，conducted by a team from Stanford University and LinkedIn，revealed that weaker social connections have a greater beneficial effect on job mobility （流动性） than stronger ties.Stanford Professor Erik Bryson suggests a practical outcome of this study is to encourage job seekers to expand their reach beyond immediate friends and colleagues.Weak ties，he explains，often provide more unique，beneficial information and connections.
    The advantage of weak ties theory is based on the idea that weak ties allow distant group of people to access novel information that can lead to new opportunities and innovation.Weak ties are more likely to introduce new job information to a wider social network.
    The research team conducted a five-year experimental study with LinkedIn，involving 20 million global participants and 600，000 new jobs created.Using LinkedIn's "People You May Know" （PYMK） algorithm （算法），the researchers tested the weak tie theory's impact on the job market.The team randomly assigned LinkedIn users to receive either more weak or strong tie recommendations from the PYMK algorithm，then tracked the labor mobility of these groups over five years.
    Their findings confirm that weaker ties enhance job mobility.Besides，the researchers looked at differences across industries and found that adding weak ties creates significantly more job opportunities in digital and high-tech industries. "This may reflect the fact that there is more rapid change and need for novel information and connections in those industries，" Bryson said.
    He points out that the traditional methods used by policymakers to analyze labor markets are quickly becoming outdated. "They need to recognize that the labor market，like all aspects of the economy，is being digitized，" Bryson said. "It is important that we understand how the algorithms used by digital platforms like LinkedIn impact the labor market."

28. What should job seekers do according to paragraph 1？
A.Strengthen connections with close friends.
B.Limit the search to their current industry.
C.Expand network to include weak ties.
D.Rely on strong connections for opportunities.
29. How did the researchers test the weak tie theory？
A.By carrying out online surveys.
B.By tracking user data and job mobility.
C.By interviewing LinkedIn employers.
D.By conducting a large-scale job fair.
30. What can we learn about digital and high-tech industries？
A.They are fast-paced and value novelty.
B.They cause weak ties among employees.
C.Strong ties are the main source of mobility.
D.Weak ties do not contribute to job mobility.
31. What might Bryson advise policymakers to do？
A.Prioritize traditional methods only.
B.Ignore the impact of digital platforms.
C.Understand the rules on digital platforms.
D.Recognize the influence of digitization.

共享时间:2025-10-21 难度:2

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人际交往，说明文，

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ACAD

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28. 细节理解题。根据第一段A study by a from University LinkedIn that social have a beneficial on mobility than ties.Stanford Erik suggests a outcome this is encourage seekers expand reach immediate and ties explains provide unique information connections.（斯坦福大学和LinkedIn的一个团队最近进行的一项研究显示。斯坦福大学教授Erik ，这项研究的一个实际结果是。他解释说、更有益的信息和联系）可知，包括弱关系。
29. 推理判断题。根据第三段The randomly LinkedIn to either weak strong recommendations the algorithm tracked labor of groups five ，让他们接受PYMK算法给出的更弱或更强的联系推荐 findings that ties job ，较弱的关系增强了工作流动性）可知。故选C。
30. 推理判断题。根据倒数第二段This reflect fact there more change need novel and in industries（这可能反映了这样一个事实，对新信息和联系的需求也更大）可知，重视新鲜感。
31. 推理判断题。根据最后一段It important we how algorithms by platforms LinkedIn the market.（重要的是，Bryson建议政策制定者认识到数字化的影响。

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本题考查了"人际交往，说明文，"，属于"易错题"，熟悉题型是解题的关键。

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201805. （2024•西安中学•七模）     Meeting people is the first step to make friends.But how do you actually become friends with someone？Here are some useful tips.
   1.Make small talk even if you don't feel like it
    Small talk can feel false and meaningless.But it does have a purpose.By making small talk，you show that you're friendly and open to communicating.In that way，small talk helps you to make the first connection with potential new friends.If someone doesn't make any small talk，we might assume that they don't want to make friends with us，that they don't like us，or that they're in a bad mood.
   2.Figure out what you might have in common
    When you talk to someone new and realize that you have things in common，the conversation usually goes from stiff to fun and interesting.Therefore，make it a habit to find out if you have any mutual interests or something in common.You can do this by mentioning things that interest you and seeing how they react.
   3.Don't write people off until you know them
    Don't judge people too quickly.Try not to assume that they are shallow，boring，or that you have nothing to talk about.If everyone seems uninterested，it might be because you keep getting stuck in small talk.If you only make small talk，everyone soundallow.
   4.Make people like being around you
    When you try to make people like you，it will become easier for you to make friends.When you make sure that people like being around you，they will like you.If we are with someone with a positive experience，we like that person more.

（1）What is the purpose of small talk？
A.To show that you are in a good mood.
B.To show you have something in common.
C.To show you are friendly and want to talk.
D.To show you are a potential new friend.
（2）According to the passage why do you think people around you are boring？
A.Because you don't have a deep chat with them.
B.Because they have nothing in common with you.
C.Because you don't make a small talk with them.
D.Because you don't like to make friends with them.
（3）What will you do if you want to make it easier to make friends？
A.To avoid being stuck in small talk.
B.To judge people by what they do.
C.To stay with people with a positive experience.
D.To make people willing to stay with you.

共享时间:2024-06-08 难度:2 相似度:2

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204423. （2023•铁一中学•高二上期末）     Making friends is a skill like many other skills.It improves with practice.If you want to meet people and make friends，you must be willing to take some measures.You must first go where there are people.You won't make friends staying home alone.Join a club or a group.Talking with those who like the same things as you do is much easier.Or join someone in some activities.Many people are nervous when talking to new people.After all meeting strangers means facing the unknown.And it's human nature to feel a bit uncomfortable about the unknown.Most of our fears about dealing with new people come from doubts about ourselves.We imagine other people are judging us or finding us too tall or too short，too this or too that.But don't forget that they must be feeling the same way.Try to accept yourself as you are and try to put the other person at ease.You'll both feel more comfortable.
    Try to act self-confidently even if you don't feel that way.When you enter a room full of strangers，such as a new classroom，walk tall and straight，look directly at other people and smile.
    If you see someone you'd like to speak to，say something.Don't wait for the other person to start a conversation.
    Just meeting someone new does not mean that you will make friends with that person-friendship is based on the mutual liking and" give and take".It takes time and effort to develop.

（1）The best title of the text may be        .
A．Friendship
B．How to Make Friends
C．Meeting New People
D．Facing the Unknown
（2）You can't make friends if you        .
A．take some measures
B．go to where there are people
C．avoid meeting people
D．start a conversation
（3）Which of the following statements is NOT true？
A．Making friends needs practising.
B．Making friends needs to be more active in starting a conversation.
C．When meeting someone，make him feel nice and starting a conversation.
D．Before making friends with someone，judge if he's too this or too that.

共享时间:2023-02-10 难度:2 相似度:2

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213360. （2023•西安中学•高一下期中）根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
   As you get older，you'll meet a wider range of people from different cultures.Culture is an idea that isn't easy to understand.People often use the term to refer to things like food，holidays，clothing and music.（1）       Customs，beliefs and values are also part of your culture.So when meeting people from different backgrounds，you can sometimes find that there are huge differences in how you see the world.
   （2）       For example，when you meet people from a different culture，ask them about their lives.It is one of the best ways to understand the culture.But be polite about it and remember they don't owe you an answer，and might not want to give it-not everyone wants to explain everything about their culture.
   Maybe you've recently met someone from a different culture you find interesting（3）       Get to know his/ her families and see how their customs and traditions differ from yours.You might be surprised to find how culturally different two people living even in the same town can be!
   Read books by and about people who are different from you.Reading memoirs（回忆录），biographies and other nonfiction books is an obvious way to learn about a country or someone's life.（4）       Like with books，you can also watch movies to learn more about a culture.What's more，keeping yourself in a different culture through travel is also an amazing way to understand another culture.
   （5）       So accept and respect the differences between yourself and your friends from different cultures-remember that what is a difference to you is just their normal life!

A.Make friends with him/her.
B.But it also goes much deeper than that.
C.Show respect for people from other cultures.
D.You may think you know a lot about a culture or place.
E.Differences between us are what makes life so interesting.
F.There are many ways to understand other people's cultures.
G.Also don't ignore novels that have been translated from other language.

共享时间:2023-05-16 难度:2 相似度:2

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218355. （2022•长安区一中•高一上一月） I like my close friends a lot.And yet，on an almost daily basis，they shock me.I have a friend who thinks voting is a waste of time；I have another friend who never takes any arrangement to meet at a given time and place seriously.
   It's generally held that friends are people with whom we choose to develop relationships because we find their personalities agreeable，or similar to our own，and yet experience regularly contradicts this.What is a friend，really？All that one can safely say is that a friend is someone one likes and wishes to see again.
   The truth is that we don't know our friends.Numerous studieow that we tend to assume our friends agree with us more than they really do.The striking part is that the problem doesn't appear to lessen as a friendship deepens when the researchers Michael Gill and Bill Swann questioned studentaring rooms，they found that，as time passed，people became even more confident in the accuracy of their judgments about the other，and yet，in reality，the judgments grew no more accurate.Two people might become dear friends，yet remain ignorant about vast areas of each other's inner lives.
   This seems strange，until you consider，that many of the benefits that friendship provides don't necessarily depend on perfect familiarity；they come from something closer to reliability.Friendship may be less about being drawn to someone's personality than about finding someone willing to keep you company，or lend an ear.A friend provides the "social-identity support" we desire.You needn't be a close match with someone，nor deeply familiar with their mind.And once a friendship has begun，you want to like it，if only to confirm that you made the right decision.We don't want to know everything about our friends.We don't base friendships on what we learn about people；we decide what to learn about people，and what to ignore，based on having decided to be friends.
   Perhaps there's something moving about viewing friendship as an agreement to keep each other company，ignore each other's faults and not probe （刨根问底） too deeply in ways that might weaken the friendship.Perhaps a true friend is someone who doesn't ask many awkward questions.

（1）Why does the author tell the stories of his two friends in the first paragraph？
A．To provide background information.
B．To introduce the topic of the passage.
C．To stress the importance of friendship.
D．To show the difference between friends.
（2）It can be concluded from the passage that        .
A．close friends usually know each other in depth
B．real friends are people you like but don't wish to see often
C．we do not necessarily share personalities with close friends
D．the longer we stay with friends，the more accurately we judge them
（3）Which statement about friends will the author probably accept？
A．Stay friends but keep a distance.
B．It takes a long time to grow an old friend.
C．Real friends will tell you when your face is dirty.
D．True friends know all about you and still like you.

共享时间:2022-10-13 难度:2 相似度:2

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282206. （2023•二十六中•高二上期中）     Sending a thumbs-up can be seen as passive aggressive（冒犯的），according to Gen Z （those born between 1995 and 2009）who say they feel attacked whenever it is used.Whether the chat is informal，between friends or at work the symbol appears to have a very different， 'rude' meaning for the younger generation.
    A 24-year-old on Reddit summed up the Gen Z argument，saying it is best 'never used in any situation' as it is 'hurtful'."No one of my age in the office does it，but the Gen X （those born between 1966 and 1980）people always do it.Take me a bit to adjust and get it out of my head that it means they're mad?at me，"he added.Other young people agreed it is bad form，especially at work where it can make the team appear unfriendly and not easygoing.
    "My last workplace had a WhatsApp chat for our team to send information to each other on，and most of the people on there just replied with a thumbs up.I don't know why but it seemed a little bit hostile to me，"one woman said.One Reddit user also said the thumbs up actually means that "I've read your message and have nothing to add and I hope and pray …all the people in this group chat have nothing to say on it too."
    Older workers appear confused by the reaction，saying they use the thumbs up in work-related chats to show "I agree"or"I understood and will follow."
    Part of the issue is that young people tend to use the thumbs-up in jokes.Barry Kennedy，24，he said he only used it to communicate with older people like his parents or older colleagues.A survey of 2，000 people conducted by Perspect us Global showed that a majority of people between the ages of 16 and 29 believe that you are "officially old"if you use thumbs-up or heart emoji.

28. Which of the following point is not the Gen Z's understanding of the emoji thumbs-up？
A．Being rude.
B．Being agreeable.
C．Being hurtful.
D．Being unfriendly.
29. What does the underlined word"hostile"mean in paragraph 3？
A．Unfriendly and aggressive.
B．Tough and difficult.
C．Unwanted and unacceptable.
D．Strange and unusual.
30. Why can't older workers understand the young's reaction to the thumbs-up emoji？
A．Because of their poor communication skill.
B．Because of their being old with worse memory.
C．Because of their less communicating with the young.
D．Because of their different understanding of the emoji.
31. Which is the most suitable title for the text？
A．The Thumbs-up Emoji：Rejected by the younger generation.
B．The Thumbs-up Emoji：Highly Welcomed by Old People.
C．The Thumbs-up Emoji：A Sign of Generation Gap.
D．The Thumbs-up Emoji：A Sign of Being Aggressive.

共享时间:2023-11-13 难度:3 相似度:1.67

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220435. （2015•长安区一中•高三上一月） It's not easy growing up．Growing up can be a real"pain"for some of us．Sometimes we feel worried，sometimes we feel sad，sometimes we are fearful，and sometimes we just don't understand why we can't stay young forever．But we should take a look back on all the hardships in life with a positive attitude and learn from them．We must overcome every obstacle one small step at a time．We should realize that all of our growing pains actually turn into growing gains!
Throughout our lives we are going to face many challenges and pains，but we should never let these obstacles keep us from following our dreams．
As a young girl，my parents forced me to do so many things that I didn't like．They made me learn to play the violin and then the piano．At that time I hated music and I also hated them．But looking back now，I am so glad that my parents encouraged me to take music lessons．Music has enriched my life in so many ways．I now realize that my parents and teachers wanted me to have a better life than they did themselves．
We are all going to experience growing pains，but they are just part of our life．They might seem so huge at the time，but we must be strong．Think about how we would feel if we had no challenges and lived a life like that．Life would be really boring and meaningless．The future is ours!A little hard work and sweat never hurt anyone!If we realize that these pains are just small bumps on our road to success，we will realize that our growing pains are actually growing gains!

（1）The underlined word"obstacles"（in Paragraph 2）roughly means things that       ．
A．are related to your studies
B．you easily achieve
C．make it difficult for you to do something
D．make you happy
（2）How does the author now feel when remembering what her parents did for her in the past？
A．She feels hateful
B．She is grateful
C．She feels upset
D．She is fearful
（3）The purpose of the passage is to tell readers       ．
A．everyone should do what they don't like when young
B．everyone is painful in growing up
C．growing pains can turn into growing gains in a positive way
D．life is full of hardships．

共享时间:2015-10-19 难度:1 相似度:1.5

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201826. （2024•西安中学•九模） In February of 1942，Mexican farmer Dionisio Pulido thought he heard thunder coming from his cornfield.However，the sound wasn't coming from the sky.The source was a large smoking break sending out gas and pushing out rocks.This opening would come to be known as the volcano Paricutin，and over the next 9 years，its lava and ash would cover over 200 square km.But where did this new volcano come from，and what caused its unpredictable eruption？
   One of the most common causes of an eruption is an increase in magmastatic（静磁）pressure.Magma（岩浆）contains various elements and compounds.At high enough concentrations，compounds like water or sulfur（硫）form high-pressure gas bubbles.When these balls of gas reach the surface，they can burst with the force of a gunshot.And when millions of bubbles explode，the energy can send ash into the air.But before they pop or burst，they act like bubbles of CO₂ in a shaken soda.
   Not all eruptions are due to rising magmastatic pressure- sometimes the weight of the rock above can become dangerously low.Landslides can remove massive quantities of rock from atop a magma chamber or room，dropping the pressure and instantly touching off an eruption.This process is known as "unloading" and it's been responsible for numerous eruptions，including the sudden explosion of Mount St.Helens in 1980.But unloading can also happen over longer periods of time due heating ice or melting glaciers.In fact，many geologists are worried that glacial melt caused by climate change could increase volcanic activity.
   Unfortunately，knowing what causes eruptions doesn't make them easy to predict.While scientists can roughly determine the strength and weight of the Earth's crust（地壳），the depth and heat of magma chambers makes measuring changes in magmastatic pressure very difficult.But volcanologists are constantly exploring new technology to overcome this rocky field.Advances in thermal imaging（热成像）have allowed scientists to detect underground hotspots.Spectrometers can analyze gases escaping magma.Hopefully，these tools will help us better understand these gas breaks and their explosive eruptions.

（1）Why does the author mention the story of a farmer in the first paragraph？
A．To show the power of volcano eruption.
B．To introduce the topic.
C．To introduce the volcano Paricutin.
D．To explain the reason.
（2）What does the underlined word "they" in paragraph 2 refer to？
A．The bubbles of CO₂ .
B．The ash of the volcano.
C．Gas bubbles of compounds.
D．The elements of a soda.
（3）Which of the following is true about the eruption of Mount St.Helens？
A．Landslideould be responsible for its eruption.
B．It began to explode over a long period of time.
C．The process of "unloading" occurred after its explosion.
D．The weight of the rock above it increased as to cause its eruption.
（4）What can we infer from the last paragraph？
A．Scientists can determine the eruption of volcano in advance.
B．It is quite difficult to measure the weight of the Earth's crust.
C．Spectrometers can help scientists to detect underground hotspots.
D．Scientists are positive about further study of volcano eruption.

共享时间:2024-06-24 难度:1 相似度:1.5

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202044. （2022•西安中学•四模） Electronic sensors built into paper could be used in a range of ways from information storage to touch screens and more.
   Electronic sensors built into cartons（纸盒）may make it easier to tell when it's time to throw out rotten milk or orange juice.And that's just the start.At least that's the goal for researchers working on putting electronics into paper.They're trying to figure out how to combine the flexibility，low-cost and recyclability of paper with the information-carrying ability of electronics.
   Daniel Torbjork，a physics graduate student in Finland，has been working on the problem.He's published a review of the field in the journal Advanced Materials.
   Much research has been focused in this area.While most electronic applications require patterned conducting structures，conductive paper could be used in applications such as energy storage devices，sensors，electric heaters and others，according to Torbjork.
   "You could even have some interactive functions in magazines，" Torbjork said，"You could put a simple game in a package.If you want a touch screen，press a button and then something happen.Sensors in paper could tell us when something has gone bad."
   Additional applications，such as information storage and security paper，have been suggested for magnetic papers containing magnetite.In Massachusetts，researchers have figured out how to post a video of such adevice put into a paper airplane.
   German researchers have also put electronic chips in paper bank notes to defend counterfeiters （造伪币者）.Paper is a good material but printing electronics also requires low-cost manufacturing.As many US and European paper makers lose market share to cheaper paper from China，these big paper companies are looking for added value products.That's where electronic paper devices could make a difference.
   "The major obstacles are paper's large surface roughness and chemical impurities. "Torbjork says.But others in the field think that electronic sensors in paper are still far from the consumer marketplace.
   "I don't think it's going to happen." said Roy Horgan. "You need a conductive surface.It could be 10 years out.What we are looking for are solutions that you can commercialize today. "
   Solar Print is partnering with Italian automaker Fiat to develop a unique auto-glass with tiny photostatic cells（光电） that can capture electricity from the sun.In the meantime，using paper to conduct electricity is still a "blue-sky" project.
   "I would love to see someone prove me wrong，because that means that it's actually happening. " Horgan said. "If someone comes up with conductive paper，then that's a very interesting technology."

（1）Putting electronics into paper will        .
A．cut the cost and impurity of paper
B．depend on flexible conductive structure
C．help consume rotten milk or orange juice
D．combine the advantages of paper and electronics
（2）Paragraphs 4 to 7 mainly talk about the         of the conductive paper.
A．practical use
B．theories
C．structures
D．design process
（3）Some paper makers welcome the new technology probably because it will        .
A．put an end to fake money
B．make the paper smoother
C．add more value to paper
D．improve the printing technology
（4）From the passage，we know that Roy Horgan        .
A．has a burning desire to make a great profit
B．showed much interest in Solar Print industry
C．is not confident about the conductive paper
D．started a "blue-sky" project to study paper

共享时间:2022-04-19 难度:1 相似度:1.5

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202100. （2022•西安中学•七模） Your house may have an effect on your figure.Experts say the way you design your home could play a role in whether you pack on the pounds or keep them off.You can make your environment work for you instead of against you.Here are some ways to turn your home into part of your diet plan.
   Open the curtains and turn up the lights.Dark environments are more likely to encourage overeating，for people are often less self-conscious（难为情）when they're in poorly lit places—and so more likely to eat lots of food.If your home doesn't have enough window light，get more lamps and flood the place with brightness.
   Mind the colors.Research suggests warm colors fuel our appetites.In one study，people who ate meals in a blue room consumed 33 percent less than those in a yellow or red room.Warm colors like yellow make food appear more appetizing，while cold colors make us feel less hungry.So when it's time to repaint，go blue.
   Don't forget the clock—or the radio.People who eat slowly tend to consume about 70 fewer calories（卡路里） per meal than those who rush through their meals.Begin keeping track of the time，and try to make dinner last at least 30 minutes.And while you're at it，actually sit down to eat.If you need some help slowing down，turn on relaxing music.It makes you less likely to rush through a meal.
   Downsize the dishes.Big serving bowls and plates can easily make us fat.We eat about 22 percent more when using a 12-inch plate instead of a 10-inch plate.When we choose a large spoon over a smaller one，total intake（摄入）jumps by 14 percent.And we'll pour about 30 percent more liquid into a short，wide glass than a tall，skinny glass.

（1）The text is especially helpful for those who care about        .
A．their home comforts
B．their body shape
C．house buying
D．healthy diets
（2）A home environment in blue can help people        .
A．Digest food better
B．Reduce body intake
C．Burn more calories
D．Regain their appetites
（3）What are people advised to do at mealtimes？
A．Eat quickly.
B．Play fast music.
C．Use smaller spoons.
D．Turn down the lights.
（4）What can be a suitable title for the text？
A．Is Your House Making You Fat？
B．Ways of Serving Dinner
C．Effects of Self-consciousness
D．Is Your Home Environment Relaxing？

共享时间:2022-06-07 难度:1 相似度:1.5

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202120. （2022•西安中学•二模） On a break from his studies in the MIT Media Lab，Anirudh Sharma traveled home to Mumbai，India.While there，he noticed that throughout the day his T-shirts were gradually gathering something that looked like dirt. "I realized this was air pollution，or sooty（像煤一样）particulate matter（PM），made of black particles released from exhaust（尾气）of vehicles，" Sharma says. "This is a major health issue." Soot consists of tiny black particles，about 2.5 micrometers or smaller，made of carbon produced by incomplete burning of fossil fuels.
   Back at MIT，Sharma set out to help solve this air-pollution issue.After years of research，Sharma's startup Graviky Labs has developed technology that attaches to exhaust systems of diesel generators（柴油发电机）to collect particulate matter.Scientists at Graviky then turn it into ink，called Air-Ink，for artists around the world.So far，the startup has collected 1.6 billion micrograms of particulate matter.More than 200 gallons of Air-Ink have been harvested for a growing community of more than 1，000 artists，from Bangalore to Boston，Shanghai，and London.
   Posted all over Graviky Lab's Facebook page today are photos of art made from the Air-Ink and paint，including street wall paintings，body art and clothing prints.At first，there was still no specific application for the ink.Then the startup decided to find new ways to further spread its mission.It chose to do so through art. "Art helps us raise awareness about where the ink and paint comes from.Air pollution knows no borders.Our ink sends a message that pollution is one of the resources in our world that's the hardest to collect and use.But it can be done，" Sharma says.

（1）What struck Sharma most during his break in India？
A．Dirt on his T-shirts.
B．Health issue of the locals.
C．Coal industry in Mumbai.
D．Incomplete burning of fossil fuels.
（2）According to the text，Air-Ink is        .
A．a cleaner of outdoor air
B．a product made from PM
C．a newly-founded company
D．a printing technology
（3）What can we infer about Air-Ink from the text？
A．It improves artistic effect.
B．It makes pollution acceptable.
C．It helps Sharma make a profit.
D．It raises environmental awareness.
（4）What might be the best title for the text？
A．Arts Know No Borders
B．Waste Has No Price
C．Less Pollution，More Art
D．Creative Thinking，Effective Painting

共享时间:2022-03-28 难度:1 相似度:1.5

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202150. （2022•西安中学•八模） Plants：we eat them，juice them-and now it seems we can mine them too!
   After a successful experiment on the island of Borneo，the botany professor Alan
   Baker and a group of researchers want to introduce phytomining （harvesting minerals from plants） as a better，partial substitute for traditional mining.
   Phytomining，also known as agromining，means collecting metals from live plants.However，this can only be done with a group of plants known as "hyperaccumulators".There are around 700 identified types worldwide，and what makes these hyperaccumulators special is that they naturally attract and absorb minerals through their roots-metals poisonous to other plants- and then store huge，pure concentrations of these minerals in their bodies.The metals can then be extracted（提取） from the plants' sap（汁；液），oil，or sometimes even live tissue.
   Baker and his colleagues see a lot of potential in phytomining.Not only can it help meet the growing global demand for metals，but is a way of undoing some of that damage to the environment by traditional mining.
   One of the biggest problems with traditional mining is that it pollutes the surrounding area.Phytomining can extract metal waste，plus planting the hyperaccumulators would regrow the deforested areas caused by mining operations.Aside from this，if phytomining is able to replace part of traditional mining，then there would be fewer instances of bad mining practices like abandoned mines，which pollute the nearby waters.Also，since phytomining provides metals that are already naturally pure，there is no need to use huge amounts of energy to purify the ore（矿石）.
   Phytomining has its drawbacks.Harvesting plants on a large scale is expensive today，compared to traditional mining.Besides，plants can be wiped out by diseases or unexpected weather conditions.
   However，there are many reasons to consider phytomining.After all，we need to make sure that our planet can keep up and sustainable practices like phytomining give us the hope that our advancement doesn't mean sacrificing Mother Earth.

（1）What makes hyperaccumulators different from other plants？
A．The sap poisonous to other plants.
B．The oil extracted from live plant tissue.
C．The ability to take in and store minerals.
D．The concentrations of mineral in their bodies.
（2）What is the advantage of phytomining？
A．It uses clean energy to purify the ore.
B．It may reduce the deserted mines.
C．It can't be destroyed by diseases.
D．It can stop deforestation.
（3）What is the author's attitude toward phytomining？
A．Pessimistic.
B．Indifferent.
C．Optimistic.
D．Skeptical.
（4）What is the best title for the text？
A．Metals From Plants.
B．Benefits of Phytomining.
C．The Future of Phytomining.
D．What Are Hyperaccumulators？

共享时间:2022-06-15 难度:1 相似度:1.5

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201968. （2023•长安区•一模） Electronic sensors built into paper could be used in a range of ways from information storage to touch screens and more.
   Electronic sensors built into cartons（纸盒）may make it easier to tell when it's time to throw out rotten milk or orange juice.And that's just the start.At least that's the goal for researchers working on putting electronics into paper.They're trying to figure out how to combine the flexibility，low-cost and recyclability of paper with the information-carrying ability of electronics.
   Daniel Torbjork，a physics graduate student in Finland，has been working on the problem.He's published a review of the field in the journal Advanced Materials.
   Much research has been focused in this area.While most electronic applications require patterned conducting structures，conductive paper could be used in applications such as energy storage devices，sensors，electric heaters and others，according to Torbjork.
   "You could even have some interactive functions in magazines，" Torbjork said，"You could put a simple game in a package.If you want a touch screen，press a button and then something happen.Sensors in paper could tell us when something has gone bad."
   Additional applications，such as information storage and security paper，have been suggested for magnetic papers containing magnetite.In Massachusetts，researchers have figured out how to post a video of such a device put into a paper airplane.
   German researchers have also put electronic chips in paper bank notes to defend counter-feiters（造伪币者）.Paper is a good material but printing electronics also requires low-cost manufacturing.As many US and European paper makers lose market share to cheaper paper from China，these big paper companies are looking for added value products.That's where electronic paper devices could make a difference.
   "The major obstacles are paper's large surface roughness and chemical impurities." Torbjork says.But others in the field think that electronic sensors in paper are still far from the consumer marketplace.
   "I don't think it's going to happen." said Roy Horgan. "You need a conductive surface.It could be 10 years out.What we are looking for are solutions that you can commercialize today."
   Solar Print is partnering with Italian automaker Fiat to develop a unique auto-glass with tiny photostatic cells（光电）that can capture electricity from the sun.In the meantime，using paper to conduct electricity is still a "blue-sky" project.
   "I would love to see someone prove me wrong，because that means that it's actually happening." Horgan said. "If someone comes up with conductive paper，then that's a very interesting technology."

（1）Putting electronics into paper will        .
A．cut the cost and impurity of paper
B．depend on flexible conductive structure
C．help consume rotten milk or orange juice
D．combine the advantages of paper and electronics
（2）Paragraphs 4 to 7 mainly talk about the         of the conductive paper.
A．theories
B．structures
C．practical use
D．design process
（3）Some paper makers welcome the new technology probably because it will         .
A．add more value to paper
B．make the paper smoother
C．put an end to fake money
D．improve the printing technology
（4）From the passage，we know that Roy Horgan        .
A．has a burning desire to make a great profit
B．started a "blue-sky" project to study paper
C．is not confident about the conductive paper
D．showed much interest in Solar Print industry

共享时间:2023-03-05 难度:1 相似度:1.5

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202188. （2022•周至县•三模） The Royal Botanical Gardens，Kew，in the UK，are home to thousands of fascinating plants，but none are as lonely as the Encephalartos woodii （伍德苏铁），an ancient cycad species and，most likely，the last one of its kind.
   It was in 1895 that botanist John Wood noticed this interesting looking palm tree on a steep slope in southern Africa.Spellbound by its multiple trunks and arched palm fronds，Dr.Wood- who made his living collecting rare plants- had some stems removed and sent to London in a box.It ended up in the Palm House at the Royal Botanical Gardens，where it has been waiting for a mate for over a century.Despite numerous efforts to find it a mate，the Encephalartos woodii at Kew remains alone，unable to produce an offspring and reproduce its species.For this reason，many consider it the world's loneliest plant.
   Two hundred million years ago，when dinosaurs still roamed the world，cycads were everywhere.They made up around 20% of plants，acted aelter for some dinosaur species and as food supply for others.They managed to somehow survive five ice ages，adapted to coexist with new species of plants，but as time passed，their numbers dwindled.Like all other cycads，Encephalartos woodii went from numbering millions of specimens，to thousands，and today，possibly just one，a male.
   Some plants have both male and female organs，but not Encephalartos woodii.Without a female specimen to produce the seeds，it can never mate.
   The Encephalartos woodii is technically not the last of its kind.It has been cloned several times，and its clones can be found in several botanical gardens around the world.It can even mate with some closely related species，but it can't produce a true offspring.It just sits there，the last of its ancient species waiting for a female species to be found somewhere on Earth. "Surely this is the loneliest organism in the world，" biologist Richard Fortey once wrote， "growing older，alone，and fated to have no successors.Nobody knows how long it will live."

（1）What can we learn about the Encephalartos woodii？
A．It once was a common being with male and female organs.
B．It has been the last of its species for centuries.
C．Scientists' efforts to produce any young of it were in vain.
D．It used to play an important role in the survival of dinosaurs.
（2）What does the underlined word "dwindled" probably mean in Paragraph 3？
A．Declined.
B．Increased.
C．Multiplied.
D．Rocketed.
（3）What's Richard Fortey's attitude towards the plant？
A．Favorable.
B．Indifferent.
C．Sympathetic.
D．Skeptical.
（4）What is the best title for this text？
A．The last Cycad on Earth.
B．The World's Loneliest Plant.
C．The Plant that Outlived Dinosaurs.
D．The Ancient Cycad Found by John Wood.

共享时间:2022-04-12 难度:1 相似度:1.5

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202226. （2022•临潼区•一模） You probably don't think of scientific or medical instruments as the kind of instruments that actually make music.But now researchers have built a scientific instrument specifically designed to detect counterfeit（伪造的）medications through sound.
   The World Health Organization estimates about 10 percent of the medications in low and middle-income countries are fakes.Sometimes，dangerous ones.So the idea here is to fill the tube with a sample that's known to be safe.Then compare it to a bottle you're not so sure about.
   "If you get the same pitch（音高）out of those two samples，it's very good evidence that they're probably the same material，and the suspect substance is a safe drug to take.But if you get a different pitch out of the two samples，that's absolute proof that those two samples are chemically different.And that shows you there's something wrong with the sample you were given and you probably shouldn't take it."
   The instrument is designed to test only liquid samples for now.And while the human ear is sensitive enough to hear the difference between samples of air and water，the difference between a real and a counterfeit drug might be imperceptible to our ears.So Grover built a free website where users can upload recordings of the instrument，from their smartphone or computer，and analyze the hertz.Then repeat it with the suspect sample.
   ...in the hope of inspiring people around the world to build these things themselves. "I can literally make one of these out of junk in your garage in about five minutes probably.The hardest thing to come by is tubing.We've made them out of bent copper tubing like you get out of a radiator.Just junk，lying around.It's remarkable how easy they are to make.My dream would be to have the instructions for making them and using them shared as widely as possible."
   It is，admittedly，a pretty convincing pitch.

（1）What's the passage mainly about？
A．A scientific instrument.
B．A pretty convincing tube.
C．A suspect sample.
D．A dangerous instrument.
（2）What's the function of the instrument according to the passage？
A．To give the buyer more drugs as a gift.
B．To make the wonderful music.
C．To carry the liquid.
D．To test fake medications through sound.
（3）Where can you get the material to build this kind of scientific instrument？
A．The junk in the garage.
B．The junk in the drugstore.
C．The junk in the supermarket.
D．The junk in the factory.
（4）What can we learn about the instrument from the passage？
A．Everyone can make it easily.
B．It can play the music you like.
C．There is a long way to go.
D．It is widely used to test medicine.

共享时间:2022-03-01 难度:1 相似度:1.5

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202042. （2022•西安中学•四模） Do you want to travel to the New England Aquarium and experience it？If you are an Aquarium super fan，I believe you must be interested in some information below.
   Animal encounter Programs
   Dive into the water with a seal.Stand on top of the four storey Giant Ocean Tank to feed the animals.Go behind the scenes of your favorite exhibits.Whether you have an unquenchable（无法遏制的）curiosity about oceanic animals or you want a brand new observation on popular exhibits，fascinating Animal Encounter programs are designed for the Aquarium super fans.Call Central Reservations at 617-973-5206 to book your program.
   Daily Performances
   Don't miss a day in the life of the New England Aquarium.Be sure to catch our daily events，which include penguin feedings，seal training sessions，dives in the Giant Ocean Tank and live animal performances.Our daily schedule will tell you when and where to watch your favorite program.All programs are included with admission.
   Special Programs
   Join us for family activities at the Aquarium，where we explore the blue planet most days through art，animals and other activities.We focus on one animal every month with Blue Discoveries Family Day，from octopuses（章鱼）to whales.These activities are included with admission.For a fee，schools and other qualifying groups can also choose Explorer Classes for kids and special 3-D showings.
   Virtual Tours and Videos
   Before stepping foot in the Aquarium，explore some of our special exhibits and learn what to expect.Check out the Field Trip Orientation video before arriving with your group.The How to Be a Shark and Ray（鳐鱼）Whisperer video gives special instructions on how to best experience our shark and ray touch tank.The Blue Impact virtual tour highlights some of our exhibits as it explains the impact of climate change on oceans around the world.

（1）What does the passage tell us？
A．Visitors can't see whales in the aquarium.
B．The New England Aquarium has four storeys.
C．Visitors can dive in the Giant Ocean Tank in the aquarium.
D．Qualifying groups can choose Explorer Classes for adults in the aquarium.
（2）What do visitors have to pay extra money for？
A．Penguin feedings.
B．Seal training sessions.
C．Special 3-D showings.
D．The Blue Impact virtual tour.
（3）Why does the Aquarium set up Virtual Tours and Videos？
A．To help visitors best experience the Aquarium.
B．To draw attention to climate change on oceans.
C．To sell video disks of the Aquarium to the visitors.
D．To give instructions on how to protect oceanic animals.

共享时间:2022-04-19 难度:1 相似度:1.5

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wgi@dyw.com

2025-10-21

高中英语 | 高三上 | 阅读理解

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