题目内容

If you’ve tried studying when you’re tired, you know that it can seem very impossible to do well.
A study of sleep in sparrows suggests the relationship between sleep and the ability to learn may be more complicated(复杂) than people knew.
Niels C·Rattenborg, a scientist from Wisconsin-Madison, wanted to find out how the sparrows were able to deal with getting so much less sleep. He and his team brought eight wild birds into a lab and watched them for one year. They invented a game to check how well the birds could learn. In the game, the sparrows had to peck(啄)three buttons （按钮）in a right order to get a food treat. The scientists discovered that the birds’  ability to learn the right button order depended on(依靠)two things: the time of year and the amount of sleep the birds had had.
During the migration（迁徙）season, the sparrows were restless at night and got much less sleep than usual. Even so, they were able to understand how to get the food quickly as if they’d had a regular night of sleep. Outside the migration season, they found the sparrows that got less sleep than usual had much more difficulty learning how to get the food treats than birds that had a regular sleep.
The results show that the sparrows can deal with much less sleep during the migration season than usual. If scientists can find out why, they may learn from sparrows and find ways of helping people deal with getting much less sleep. Until scientists fully understand the relationship between sleep and learning, it’s better to get plenty of sleep when preparing for an exam.
小题1:The passage is mainly about          .
A．sparrows’ migration.
B．sleep lessons from Sparrows.
C．how to get less sleep while studying
D．how sparrows that got less sleep get food treats
小题2:Why can sparrows get much less sleep during the migration season?
A．They eat more.
B．The climate is better
C．They can get food quickly
D．Scientists still don’t know the reason.
小题3:What fact does the passage lead you to believe?
A．We should sleep as little as sparrows do.
B．We should get enough sleep before an exam.
C．When tired, we should try to focus on(聚焦) our study.
D．When tired, we should check how we can sleep less than usual.

小题1:B
小题2:D
小题3:B

试题分析：这篇文章主要讲了，如果你累了再去学习，可能学习效果就不很好，通过麻雀的睡眠研究表明睡眠和学习能力之间是有很大关系的。
小题1:主旨大意题。通读文章可知主要是介绍从麻雀那里研究可知的睡眠的情况。可知选D。
小题2:细节理解题。麻雀在迁徙的季节睡眠很少，科学家也没有明确的答案。可知应选D。
小题3:细节理解题。这篇文章让我们了解到我们应该在考试之前得到大量的睡眠。故选B。
练习册系列答案
相关题目
My friend, David Smith, kept birds. One day he phoned and   26   me he would be away for a week. He asked me to feed the bird   27   him and said he would leave his key in my mailbox.
Unfortunately, I did not remember to feed the birds  28  the night before David was going to return. I rushed out of my house and it was already dark when I arrived at   29  house. I soon found the key he gave me could unlock neither the front door   30  the back door! I kept   31  of what David would say when came back.
Then I noticed   32  one bedroom window was open. I found a big tone and pushed it under the window   33  the stone was very heavy. I  of niose. But in the end, I managed to climb up.
I had one leg inside the bedroom when I suddenly realized that someone  34   a torch(电筒)up at me. I looked down and saw  35  policeman and an old lady, one of David’s neighbours. “What are you doing up there?” Said the policeman. Feeling like a fool, I replied, “I was just going to feed Mr. Smith’s birds.”
小题1:
A．tellB．tellsC．toldD．had told
小题2:
A．withB．toC．forD．at
小题3:
A．untilB．beforeC．asD．since
小题4:
A．herB．hisC．theirD．our
小题5:
A．andB．butC．orD．nor
小题6:
A．to thinkB．thinkC．thinkingD．thought
小题7:
A．howB．thatC．whatD．why
小题8:
A．IfB．BecauseC．WhenD．Whether
小题9:
A．is shinningB．was shoneC．shinesD．was shining
小题10:
A．aB．theC．anD．/
New Energy in the Twenty-first Century Energy from the wind.
All over the world, people use the power of the wind. It is a clean source of energy, and there is lots of it. But if the wind does not blow, there is no wind energy.
Energy from the water
When water moves from a high place to a lower place it has the power to make electricity. In Britain, waterpower produces enough energy to power a town with 40000 people. Waterpower gives energy without pollution, but people have to build dams(大坝) to use this kind of power, and building dams is very expensive.
Energy from the earth
There is heat in the rocks under the earth. Scientists use the heat to make geothermal(地热的) San Francisco gets half of the energy it needs from geothermal power. This kind of energy is cheap, but it is only possible in a few places in the world.
Energy from the sun
Solar panels(镶板) on the roofs of houses and buildings can turn energy from the sun into electricity. These panels can create enough energy to heat the whole house during winter. Solar power is clean and plentiful, but when the weather is bad, it can’t produce power.
阅读上面信息，完成下列表格。
 
Advantages
Disadvantages
Wind power
Clean energy. There is a lot of it.
小题1:__________________________
Waterpower
小题2:_________________
It is expensive.
Geothermal Power
小题3:___________________
It is only possible in a few places in the world.
Solar power
Clean and plentiful.
小题4:___________________________
Are you still using text messages or QQ to chat with your family or friends? If your answer is “yes”, we have to say you are out. A new way of communicating called “WeChat” has been more and more popular in the past three years.
WeChat is a mobile text and voice messaging communication service developed by Tencent in China, first released in January 2011. With WeChat, we can communicate with friends by sending text messages, voice messages, we can share our photos or videos, share our location, we can even chat with lots of friends at the same time. More important, it is free for the users.
In May 2011, WeChat had four to five million users, and by the end of 2011, it had 50 million users. WeChat had more than 100 million users by March 2012. In April 2012, Weixin changes its name as WeChat for the international market. In September 2012, WeChat had more than 200 million users according to Tencent CEO, Ma Huateng. Today WeChat has influence not only in Mainland China, HK, Taiwan, South-East Asia, but Chinese People areas around the world. In July 2013, Tencent announced WeChat had 70 million users outside China and Lionel Messi, the famous Argentine football player became the latest product ambassador of WeChat.
In a word, WeChat is a lifestyle now. Do you WeChat today?
小题1:According to the passage, we can do many things with WeChat EXCEPT ______.
A. text messages       
B. share location       
C. shop for free
小题2:The underline word “release” here means ________ in Chinese.
A. 发布                    B. 设置                     C. 释放
小题3:How many users did WeChat have outside China in July 2013?
A. 70 million.           
B. 50 million.          
C. 100 million.
小题4:Who is the CEO of Tencent?
A. Lionel Messi.        B. Ma Yun.               C. Ma Huateng.
小题5:Where do you probably read this message?
A. National Geography.   
B. Trend & Health.      
C. New Science and Technology.
Do you know how to study better and make your study more effective(有效的). We all know that Chinese students usually study very hard for long           . This is very good, but it doesn’t     a lot, for an effective students must have enough sleep, enough food and enough rest and exercise. Every day you need to go out for a walk or visit some friends or some nice places. It’s good for your study.
When you return             your studies, your mind will be refreshed(清醒) and you’ll learn more         study better. Psychologists(心理学家)      that learning takes place in this way. Here take English learning      an example. First you make a lot of progress and you feel happy. Then your language study seems      the same. So you will think you’re learning      and you may give up. This can last for days or every week, yet you needn’t give up. At some point your language study will again take another big     . You’ll see that you really have been learning all along. If you get enough sleep, food, rest and exercise, studying English can be very effective and     . Don’t give up along the way. Learn slowly and you’re sure to get a good result.
小题1:
A．daysB．timeC．hoursD．weeks
小题2:
A．helpB．giveC．makeD．take
小题3:
A．afterB．forC．atD．to
小题4:
A．yetB．andC．althoughD．but
小题5:
A．have foundB．have taughtC．toldD．said
小题6:
A．withB．forC．asD．to
小题7:
A．to haveB．to makeC．to takeD．to stay
小题8:
A．somethingB．anythingC．nothingD．everything
小题9:
A．workB．jumpC．walkD．result
小题10:
A．hardB．commonC．interestingD．possible
A new study finds that plants communicate with one another to warn of danger.
We often consider plants as the furniture of the natural world. They don’t move; they don’t make sounds, they don’t seem to act on anything. But as is often the case, plants talk to each other all the time. And the language is chemical.
Over the years, scientists have reported that different types of plants, from trees to tomatoes, give out chemicals into the air to help neighboring plants. These chemical warnings can spread information about one plant’s disease or infestation(虫害), so other plants can protect themselves. But how plants receive and act on many of the information exactly is still mysterious.
In this week’s Science Magazine, researchers in Japan offered some explanations. They have found out one chemical message and traced it all the way from beginning to end.
The scientists looked at tomato plants infested by a common pest(害虫). To start out, they grew plants in two separate plastic spaces connected by a tube(管子). One plant was infested and placed upwind and the other was uninfested and placed downwind. The downwind plants were later exposed(暴露) to the pest. The results showed that plants near sick neighbors before were able to protect themselves better against the pest.
They found one chemical appeared more often in the exposed plants. The chemical is called HexVic. The scientists discovered where HexVic come from, and put it over healthy plants. Those plants were then able to produce HexVic. Researchers made sure that uninfested plants could fight off bugs and diseases. How do they know when to protect themselves? They are warned first by their friendly plant neighbors.
It is not a simple story, and it may be happening in more plant species than tomatoes. It may also be happening with more chemical signals that are still unknown to us. In a word, we know that plants not only communicate, but also look out for one another.
小题1:The underlined “traced” in the fourth paragraph probably means _________ here.
A．reportedB．followed
C．doubtedD．developed
小题2:For scientists, which are the right steps to watch tomato plants infested by a pest?
①  Place the infested plant upwind.
②  Place the uninfested plant downwind.
③  Expose the downwind plants to the pest.
④  Grow plants in two separate plastic spaces connected by a tube.
A．③①②④B．①④③②
C．④①②③D．④②①③
小题3:You can put the sentence “The researches also studied leaves from exposed plants and unexposed plants.” At the beginning of
A．Paragraph 3B．Paragraph 4
C．Paragraph 5D．Paragraph 6
小题4:Which of the following can be the best title of this passage?
A．Communicating Plants and Terrible Diseases
B．Talking Plants and Friendly Warnings
C．Protecting Plants and Clear Information
D．Growing Plants and Mysterious Chemicals
The police find most criminals (罪犯) because somebody tells them who the criminals are. They find other criminals by using science and their computers. When there is a bank robbery (抢劫), the police first look through their computers for the names of the bank robbers that they know about. Then they go and talk to any of these robbers who are not in prison (监狱). They ask them where they were when the robbery happened. If any of these people cannot give a good answer, the police will often use science to find out if one of them is the robber.
Many criminals leave something of themselves at the places of the crimes like a fingerprint or a hair. Or they take something away on their shoes or clothes, like dirt or animal hair. If they leave behind some of their blood or their hair or a piece of skin, it will have their DNA inside it.
Everyone’s DNA is different and their fingerprints are also different. So, if a criminal cuts himself during a robbery or leaves his hair, or even a small piece of skin, scientists can find out what his DNA is. The police can then ask the person they think is the robber to give them his hair or some blood and see if it has the same DNA. Many criminals are in prison today because of this kind of evidences .
根据上文内容判断正 ( T ) 误( F )
小题1:Usually the police find criminals because they use their computer.
小题2:The police do not usually ask criminals who are in prison about a crime because these criminals could not have done it.
小题3:The most useful evidences that criminals leave at the places of their crimes are things with their DNA in them.
小题4:Many criminals usually take something away only on their shoes after the crimes.
小题5:The story is about a bank robbery.
  Not long ago, people thought babies were not able to learn things until they were five or six months old. Yet doctors in the United States say babies begin learning on their first day of life.
Scientists note that babies are strongly influenced by their environment. They say a baby will smile if her mother does something the baby likes. A baby learns to get the best care possible by smiling to please her mother or other caregivers. This is how babies learn to connect and communicate with other human beings.
One study shows that babies can learn before they are born. The researchers placed a tape recorder on the stomach of a pregnant woman. Then, they played a recording of a short story. On the day the baby was born, the researchers attempted to find if he knew the sounds of the story repeated while in his mother. They did this by placing a device in the mouth of the newborn baby.
The baby would hear the story if he moved his mouth one way. If the baby moved his mouth the other way, he would hear a different story. The researchers say the baby clearly liked the story he heard before he was born. They say the baby would move his mouth so he could hear the story again and again.
Another study shows how mothers can strongly influence social development and language skills in their children.
Researchers studied the children from the age of one month to three years. The researchers attempted to measure the sensitivity of the mothers. The women were considered sensitive if they supported their children’s activities and did not interfere (干涉) unnecessarily. They tested the children for thinking and language development when they were three years old. Also, the researchers observed the women for signs of depression (消沉).
The children of depressed women did not do as well in tests as the children of women who did not suffer from depression. The children of depressed women did poorly in tests of language skills and understanding what they hear.
These children also were less cooperative and had more problems dealing with other people. The researchers noted that the sensitivity of the mothers was important to the intelligence development of their children. Children did better when their mothers were caring, even when they suffered from depression.
小题1: According to the passage, which of the following is NOT the factor that influences intelligence development in babies?
A．The environment.B．Mother’s sensitivity.
C．Education before birth.D．Their peers (同龄人)
小题2: What is the purpose of the experiment in which newborn babies heard the stories?
A．To prove that babies can learn on the first day they are born.
B．To prove that babies can learn before they are born.
C．To show mothers can strongly influence intelligence development in their babies.
D．To indicate early education has a deep effect on the babies’ language skills.
小题3: Which group of children did the worst in tests of language skills?
A．The children of women who did not suffer from depression.
B．The children of depressed but caring mothers.
C．The children of depressed mothers who cared little for their children.
D．The children with high communication abilities.
小题4: What is the main idea of the passage?
A．Scientific findings about how intelligence develops in babies.
B．Scientific findings about how the environment has an effect on babies’ intelligence.
C．A study shows babies are not able to learn things until they are five or six months old.
D．Scientific findings about how babies develop before birth.
Do you hope to do a lot of homework every evening ? Are you interested in your classes ? Who do you want to teach you ? Maybe you have lots of questions in your mind before school starts· Well, I want to give you some good advice on these problems. First,keep calm. Don't worry about all the questions you have. Put your heart into learning and you can find something you are interested in. Do it actively（积极地）. Second, try your best to finish your homework quickly. Don't spend a lot of time on it. Do more reading or writing in English.Think about the problems you have and solve them at once. Don't stay up late, or you can't study.well the next day.   Third, think of something instead of copying or repeating. If you can remember the words in your way, can tell your teachers you don't like the way of copying them again and again. Be sure you can pass the test. I think your teachers will agree with you. And they can give you something interesting to do. School is really a good place. Believe in your teachers and yourself. You are the best one and you can do everything well.
小题1:The writer writes the passage to________.
A．give students some good ways of learning
B．ask students not to listen to tlleir teachers
C．ask students not to do their homework
D．tell students what a good teacher is
小题2:.How many pieces of advice does the writer give us________?
A．3B．4C．5D．6
小题3:What does the writer tell students to do about their English homework?_______    _ .
A．They should spend a lot of time on it
B．They should stay up late doing
C．They should do more reading or writing in English
D．They should have boring work to do
小题4: What's the third piece of advice about?________      .
A．How to get on with friends
B．How to get high grades
C．what kind of schoolwork is better for students
D．How to finish the homework in a short time
小题5:According to（根据） the passage.students should believe in________.
A．themselves and their classmatesB．themselves and their parents
C．their parents and teachersD．themselves and their teachers

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网