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201900. （2024•长安区•一模） By our very rough calculations，Reader's Digest has published some 35.000 articles in nearly 1，200 issues.These small pages have held some very big names，including U.S.presidents，world leaders，sports legends，and，indeed，the biggest contributors of all，everyday Americans with a story to tell.These are some of our proudest moments.
How to Keep Young Mentally by Mary B.Mullett
    This first article in the first issue highlighted inventor Alexander Graham Bell and his belief in lifelong learning： "The first essential of any real education is to observe.Observe!Remember!Compare!" It was an appropriate beginning，reflecting our self-educated founder's endless curiosity.
I've Come to Clean Your Shoes by Madge Harrah
    The morning of a family funeral，an acquaintance shows up unannounced and says， "I've come to clean your shoes." He spends the day quietly shining every pair in the house.The writer ends with： "Now，whenever I hear of an acquaintance who has lost a loved one，I try to think of one specific task suiting that person's need.And if the person says， 'How did you know I needed that done？'I reply， 'it's because a man once cleaned my shoes."
Strange Encounter on Coho Creek by Morris Homer Erwin
    A miner spends days camping in the Alaskan wilderness，working hard to earn the trust of a mother wolf stuck in a trap before she and her four pups starve to death.Eventually，he is able to free her.Four years later，he encounters a wolf in the same meadow.Yes，the same wolf.When we shared this classic on rd.com in 2019，it went viral and it has now been read by many millions online and in print.
How Honest Are We by Ralph Kinney Bennett
    Our famous "wallet drop" set up the ultimate test of honesty：If we left wallets in cities.around the country，how many would be returned？Well over half，it turned out-67 percent.The most honest city？Seattle，whose upstanding residents returned nine out of ten wallets.

（1）What do we know about the acquaintance in the story I've Come to Clean Your Shoes？
A.He shows concern by cleaning shoes.
B.He cleanoes at the owner's request.
C.He comforts the owner by telling his own story.
D.He visits the house where the owner is severely sick.
（2）Which article gained significant popularity online？
A.How to Keep Young Mentally.
B.I've Come to Clean Your Shoes.
C.Strange Encounter on Coho Creek.
D.How Honest Are We.
（3）Where can the text be found？
A.In a history book.
B.In a magazine.
C.In a.novel.
D.In a brochure.

共享时间:2024-03-07 难度:2

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品行与态度，说明文，

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ACB

[解析]

（1）细节理解题。根据第二个小标题I've Come to Clean Your Shoes by Madge Harrah《我来擦你的鞋》的段落The morning of a family funeral，an acquaintance shows up unannounced and says， "I've come to clean your shoes." He spends the day quietly shining every pair in the house.The writer ends with： "Now，whenever I hear of an acquaintance who has lost a loved one，I try to think of one specific task suiting that person's need.And if the person says， 'How did you know I needed that done？'I reply， 'it's because a man once cleaned my shoes."（一个家庭葬礼的早晨，一个熟人突然出现，说："我是来给你擦鞋的。"他整天安静地把屋子里的每一双鞋都擦得锃亮。作者最后写道："现在，每当我听说一个熟人失去了心爱的人，我就会试着去想一个适合那个人需要的具体任务。如果这个人说，'你怎么知道我需要做这件事？'我回答说：'那是因为曾经有个人给我擦过鞋。'"）可知，这位熟人通过做"擦鞋"这种做力所能及的事情来表达对已经失去亲人的朋友的关心。故选A。
（2）细节理解题。根据第三个小标题Strange Encounter on Coho Creek by Morris Homer Erwin《Coho Creek上的奇异遭遇》的段落中When we shared this classic on rd.com in 2019，it went viral and it has now been read by many millions online and in print.（2019年，当我们在rd.com上分享这部经典作品时，它迅速传播开来，现在已经有数百万人在网上和印刷品上阅读）可知，这个故事在网上被疯狂转发，非常受欢迎。故选C。
（3）文章出处题。根据第一段By our very rough calculations，Reader's Digest has published some 35.000 articles in nearly 1，200 issues.These small pages have held some very big names，including U.S.presidents，world leaders，sports legends，and，indeed，the biggest contributors of all，everyday Americans with a story to tell.These are some of our proudest moments.（根据我们的粗略计算，《读者文摘》在近1200期刊物上发表了大约3.5万篇文章。这些小小的版面上刊登了一些大人物，包括美国总统、世界领导人、体育传奇人物，事实上，还有最重要的贡献者，每天都有故事要讲的美国人。这是我们最自豪的时刻。）可知，这篇文章是《读者文摘》杂志上的一些代表性文章。故选B。

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218694. （2022•铁路中学•高二上二月） When something goes wrong，it can be very satisfying to say，"Well，it's so-and-so's fault."or"I know I'm late，but it's not my fault；the car broke down."It is probably not your fault，but once you form the habit of blaming somebody or something else for a bad situation，you are a loser.You have no power and could do nothing that helps change the situation.However，you can have great power over what happens to you if you stop focusing on whom to blame and start focusing on how to deal with the situation.This is the winner's key to success.
   Winners are good at overcoming problems.For example，if you were late because your car broke down，maybe you need to have your car examined more regularly.Or，you might start to carry along with you the useful phone numbers，so you could call for help when in need.For another example，if your colleague causes you problems on the job for lack of responsibility or ability，find ways of dealing with his irresponsibility or inability rather than simply blame the person.Ask to work with a different person，or don't rely on the person.You should accept that the person is not reliable and find creative ways to work successfully regardless of how your colleague fails to do his job well.
   This is what being a winner is all about—creatively using your skills and talents so that you are successful no matter what happens.Winners don't have fewer problems in their lives；they have just as many difficult situations to face as anybody else.They are just better at seeing those problems as challenges and opportunities to develop their own talents.
   So，stop focusing on"whose fault it is."Once you are confident about your power over bad situations，problems are just stepping stop on for success.
（1）According to the passage，winners        .
A．have responsible and able colleagues
B．meet with fewer difficulties in their lives
C．deal with problems instead of blaming others
D．blame themselves instead of others
（2）When your colleague brings about a problem，what should you do？
A．Blame him for his lack of responsibility.
B．Find a better way to handle the problem.
C．Tell him to find the cause of the problem.
D．Ask a more able colleague for help.
（3）When problems occur，what winners take them as        ？
A．chances for self-development.
B．barriers to greater power.
C．challenges to their colleagues.
D．excuses for their failures.
（4）Which of the following is the best title for the passage        ？
A．A Winner's Achievement
B．A Winner's Problem
C．A Winner's Opportunity
D．A Winner's Secret

共享时间:2022-12-25 难度:2 相似度:2

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252616. （2025•新城区•高三上一月）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
       At times，it can be hard for you to believe in yourself，especially when you have developed doubts about your self-worth. （36）        You can do simple things to start believing in yourself.The following tips are offered to help rebuild your confidence.
       Make a list of your past achievements. （37）        Sit down and make a list of all of the things that you feel you have excelled at during some point in your life.You can include even the most minor activities，like putting together furniture or organizing a party for a friend.
       （38）        It may be difficult to believe in yourself if you are always trying to please others.Make sure you look for causes and projects that appeal to you.The passion that you feel for these causes and projects will help you to work harder and see how much you can achieve.
       Set realistic goals.It can boost your self-efficacy.Make sure that you develop goals that are in line with your skills and that are attainable.If you have decided that you want to work towards a long-term goal，start by setting a small attainable goal. （39）
       Focus on the positive.We often focus on negative comments about ourselves while ignoring the positive ones. （40）        Try to remind yourself to focus on the positive more than the negative.If you find either yourself or those around you being extra critical，think about making some changes.
A.Find a cause that you believe in.
B.You too often focus on the negative.
C.You needn't worry if you have such trouble.
D.It will help to get you closer to your long-term goal.
E.Have a clean and pleasant home for yourself.
F.Completing this will help you begin to believe in yourself.
G.We also tend to think people are focusing on us more than they are.

共享时间:2025-10-14 难度:2 相似度:2

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213783. （2022•西安三中•高二上期中） Everyone knows how to fake a smile.We learn when to show and hide our genuine emotions from early face-to-face exchanges.As we grow，we have been developing a social smile to hide unacceptable emotions.
The social smile is often activated automatically.We may not be fully aware of it.We might smile to put the brakes on showing too much negative emotion in public.We may maintain a calm，relaxed smile to prevent fear from upwelling and getting the best of us.We can also intentionally use the social smile to pepper our communication.
   Now that many of us are wearing face masks in public，how does it influence our communication of emotion？
   Some people are finding it a relief.Those suffering from social anxiety may welcome wearing face masks precisely because they prefer to veil their emotional state from the outside world as much as possible.Others appreciate the freedom from the obligation to put others at ease with a warm ，friendly smile.By wearing a face mask ，you don't have to smile if you don't feel like it.
   However，without the social smile，it may be more challenging to manage others' reactions to us.How do we react to seeing someone wearing a mask ？Research finds that observers rely mostly on the eye and mouth regions to recognize emotions successfully.Different emotions are most easily detected in different areas of the face.When the whole face is visible，we focus on the eyes to spot sadness and fear，whereas disgust and happiness are more reliably detected by concentrating on the mouth area.These two parts of the face can work in isolation or complex coordination.
   The face mask only hides the fake smiles ，not the real ones.Consider that by only seeing the eyes，it may be easier to get an accurate read of people's genuine emotions.

（1）Why do we fake a smile sometimes？
A．To be socially acceptable.
B．To show one's kindness.
C．To prevent hurting others.
D．To take up a positive attitude.
（2）What is the impact of wearing face masks？
A．It relieves some people of social obligation.
B．It puts one at ease with a decent manner.
C．It may bring some trouble in communication.
D．It allows people to express emotions at will.
（3）What idea does the author try to present in the last two paragraphs？
A．Mouth area reflects positive emotions while eyes negative.
B．True feelings can't be recognized without observing the eyes.
C．Eyes and mouth regions work separately to express one's emotions.
D．Eyes are the window to the soul and reveal one's true emotional state.
（4）Which of the following would be the best title for the text？
A．What is Social Smile？
B．Smile：Real or Fake？
C．To Wear or Not to Wear？
D．Masking Genuine Emotions？

共享时间:2022-11-10 难度:2 相似度:2

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212637. （2025•铁一中学•高二下期中）     What if everything happens for a reason？Burnt toast theory，a modern view on this classic idea，suggests that every little inconvenience we experience in our day-to-day lives happens for a bigger reason.
    Imagine you accidentally burn your toast before leaving for work.According to burnt toast theory，this tiny inconvenience can cause a domino effect（多米诺效应）.Your morning gets delayed by three to five minutes-just enough time to leave the house later than usual and avoid a potential car accident.Or perhaps you catch a later train，missing an awkward encounter with someone you don't intend to see.You might even meet someone new whom you wouldn't have otherwise met，leading to a friendship or romantic connection.
    When we feel like things are outside our control，that can be scary.The burnt toast theory can help some people let go of their need for control and take negative situations more positively.
    However，while maintaining a positive mindset can be beneficial，over-optimism can lead to"poisonous positivity".When we only allow ourselves to focus on positive thoughts，we are denying ourselves the chance to properly deal with challenges and difficult situations to better ourselves，focusing on creating a false positive facade（假象） instead.By constantly avoiding negative experiences，we might ignore their real impact on us and fail to acknowledge when we're struggling.It can make us feel worse about ourselves，and may lead to pushing down negative feelings or experiences，and refusing to acknowledge or deal with them fully.
    Instead of focusing purely on positive thinking，working towards developing a growth mindset may be more helpful.You don't always have to look for life's silver linings，or even the meaning behind a little burnt toast.Sometimes things happen，and they suck.But as long as we take time to acknowledge how these things make us feel，and recognize that we can't always control everything around us，we can still work towards improving ourselves，and how we handle life's unexpected challenges-and that's what really matters.

（1）What can be inferred from the burnt toast theory？
A.Life is a process，not destination.
B.Lost in the east，gained in the west.
C.Life is full of endless challenges.
D.Lost time will never be found again.
（2）Which can be an outcome from"poisonous positivity"？
A.Loss of chances to grow.
B.Failure to acknowledge others.
C.Inability to control emotions.
D.Decline in physical health.
（3）Which can be seen as a growth mindset mentioned in the last paragraph？
A.Finding reasons for failure.
B.Avoiding pushing others too hard.
C.Accepting life and making it better.
D.Keeping a positive mindset and working hard.
（4）Which is the best possible title for the text？
A.Burn Toast Theory：Find a True Self
B.Burn Toast Theory：Lead a Positive Life
C.Burn Toast Theory：More than Positivity
D.Burn Toast Theory：How to Live Actively

共享时间:2025-05-21 难度:2 相似度:2

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201580. （2025•长安区•一模） Kindness May Keep You Healthy If you are driving in the United States，you may see a common bumper （汽车保险杠） sticker on passing vehicles that reads：（1）       The saying is meant to urge people to behave in a gentle，caring，and helpful way towards others without thinking or planning ahead.
    Research shows that doing kind things can make us feel better.In one experiment，Brian Are，an anthropologist （人类学家） at Duke University，asked a group of people to perform three acts of generosity for other individuals each week.（2）       The people who were caring，gentle and friendly towards others reported experiencing contentment，satisfaction and happiness.
    （3）       Lyubomirsky studied a group of people with the disease Multiple Sclerosis （多发性硬化）.She found that they felt better physically when helping others.Her research also pointed out that people showing kindness to others had less inflammation （炎症） in their bodies.And in other studies，Lyubomirsky said more anti-viral genes were found in people who extended a helping hand to other people.
    Other research haown that many people prize kindness above other values.In one study，researchers gave people a list of values —such as kindness，creativity，ambition，tradition，security，seeking social justice，and seeking power.（4）
    "The basic reason why people are kind，" Oliver Curry，explained，the research director at Kind-lab that is a non-profit organization， "is that we are social animals.（5）       " In other words，we are designed to be kind.

A.Acts of kindness are very powerful.
B.Kindness is as much a part of us as our anger，grief or desire.
C.However，being kind is not just emotionally beneficial.
D.Perform random acts of kindness.
E.The behavior could be small，like opening a door for someone.
F.He found that being kind makes people feel better emotionally.
G.When asked to pick the most important，kindness won.

共享时间:2025-03-05 难度:2 相似度:2

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282208. （2023•二十六中•高二上期中）     Stepping out of your comfort zone（区域）helps you to improve yourself and become a happy and fun person.You'll experience great er enjoyment as you try out new experiences.（36）       .
   Unplug （拔掉插头）
   Take a break from today's interconnected world. （37）       .You may feel a little uncomfortable at first，but you will know that is just part of the process to let you know better about yourself.
   Go to another country
   You will experience new cultures，different customs，unique landscapes and another language from travel. （38）       .Additionally，the excitement of exploring different scenery and experiencing different cultures are lifelong treasure.
  （39）
   Try diving，skydiving or a roller coaster ride.If those are too frightening，try giving a speech or taking a dance class.Once you overcome your inner fear，you will have a sense of satisfaction that comes from overcoming it.
   Talk with someone new
   This doesn't have to be a complete stranger.Start a conversation with someone new at work，the barista（咖啡师）in your local coffee shop，a neighbour or someone in the queue.（40）       .By focusing on other people rather than your own internal thoughts，you can improve your own men tal health.

A.Do something that is fearful for you
B.Become uncomfortable with the Internet
C.You can end your conversation with your friends anytime
D.Leave your phone at home，turn off the TV and the Internet
E.Here are some ways that can probably lead you to a new life
F.See if you can continue the conversation for 30 seconds or longer
G.Besides，using cash from different countries is also good for your brain

共享时间:2023-11-13 难度:2 相似度:2

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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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220379. （2016•长安区一中•高二下二月） In the fall of 1985，I was a bright-eyed girl heading off to Howard University，aiming at a legal career and dreaming of sitting on a Supreme Court bench somewhere．Twenty-one years later I am still a bright-eyed dreamer and one with quite a different tale to tell．
My grandma，an amazing woman，graduated from college at the age of 65．She was the first in our family to reach that goal．But one year after I started college，she developed cancer．I made the choice to withdraw from college to care for her．It meant that school and my personal dream would have to wait．
Then I got married with another dream：building my family with a combination of adopted and biological children．In 1999，we adopted our first son．To lay eyes on him was fantastic-and very emotional．A year later came our second adopted boy．Then followed son No.3．In 2003，I gave birth to another boy．
You can imagine how fully occupied I became，raising four boys under the age of 8!Our home was a complete zoo-a joyous zoo．Not surprising，I never did make it back to college full-time．But I never gave up on the dream either．I had only one choice：to find a way．That meant taking as few as one class each semester．
The hardest part was feeling guilty about the time I spent away from the boys．They often wanted me to stay home with them．There certainly were times I wanted to quit，but I knew I should set an example for them to follow through the rest of their lives．
In 2007，I graduated from the University of North Carolina．It took me over 21 years to get my college degree!
I am not special，just single-minded．It always struck me that when you're looking at a big challenge from the outside it looks huge，but when you're in the midst of it，it just seems normal．Everything you want won't arrive in your life on one day．It's a process．Remember：little steps add up to big dreams．
（1）Why did the author quit school in her second year of college？
A．She wanted to study by herself．
B．She fell in love and got married．
C．She suffered from a serious illness．
D．She decided to look after her grandma．
（2）What can we learn about the author from Paragraphs 4 and 5？
A．She was busy yet happy with her family life．
B．She ignored her guilty feeling for her sons．
C．She wanted to remain a full-time housewife．
D．She was too confused to make a correct choice．
（3）What does the author mostly want to tell us in the last paragraph？
A．Failure is the mother of success．
B．Little by litter，one goes far．
C．Every coin has two sides．
D．Well begun，half done．
（4）Which of the following can best describe the author？
A．Caring and determined．
B．Honest and responsible．
C．Ambitious and Sensitive
D．Innocent and single-minded．

共享时间:2016-06-20 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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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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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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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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202244. （2022•临潼区•二模） The World Health Organization says the widespread use of sugar in food products and drinks is a major concern in many areas.So WHO officials are calling on governments to require taxes on sugary drinks in an effort to limit their usage and popularity.The officials believe the taxes also would reduce the risk of health problems resulting from obesity.
   Obesity is a condition in which the body stores large，unhealthy amounts of fat.Obese individuals are considered overweight.A new report says that in 2014 more than one-third of the adults in the world were overweight，and 500 million were considered obese.The United Nations agency estimates that in 2015，42 million children under age 5 were either overweight or obese.It says that number represents an increase of about 11 million during the past 15 years.Almost half of these boys and girls live in Asia and one-fourth in Africa.
   The U.N.agency blames unhealthy diets for a rise in diabetes cases.There are 422 million cases of the disease worldwide.Who says 1.5 million people die from it every year.It says the use of sugar in food products，like sugary drinks，is a major reason for the increase in rates of obesity and diabetes.
   Temo waqanivalu is with the agency's Department for the Prevention on Non-Communicable Diseases：He told VOA that taxing sugary drinks would reduce consumption and save lives.Waqanivalu noted that Mexico enacted a law of a 10 percent tax on sugary drinks in 2014.He said by the end of the year，there was a 6 percent drop in the consumption of such drinks.Among poor people，the number of people who consumed sugary drinks dropped by 17 percent.
   The WHO says people should limit the amount of sugar they consume.It says they should keep their sugar intake to below 10 percent of their total energy needs，and reduce it to less than 5 percent for improved health.

（1）Why are taxes on sugary drinks required？
A．To warn people to change their life style.
B．To readjust the economic structure.
C．To limit their use and popularity.
D．To ensure the market's diverse development.
（2）What do the figures in the second paragraph suggest？
A．Obesity is a severe worldwide problem.
B．Adult obesity is ignored at present.
C．Obesity can block economic development.
D．Obesity is most serious in developed countries.
（3）What does the underlined word "enacted" mean in the passage？
A．Abolished.
B．Passed.
C．Promised.
D．Reduced.
（4）What does the example of Mexico prove？
A．Tax policies are unfair to the poor.
B．Taxing sugary drinks makes a difference.
C．The poor consume more sugary drinks.
D．Sugary drinks are a threat to health.

共享时间:2022-03-18 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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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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2024-03-07

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