阅读理解。 When people want to know about the weather, they usually go to their r
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阅读理解。 |
When people want to know about the weather, they usually go to their radios, TVs, newspapers, or to the Internet. However, you can also find many weather signs among wildlife, because of their highly developed senses. Drops in air pressure (压力) produce an effect on small animals in many ways. Mice and deer are good weather indicators. People who spend a lot of time outdoors have observed that, before a storm, field mice come out of their holes and run around. Deer leave high ground and come down from the mountains. Birds are especially good weather indicators because they also show the effect of a pressure drop in many ways. For example, some birds become irritable (急躁的) and quarrelsome and will fight over a piece of bread. Other birds chirp (叽叽喳喳) and sing just before a storm. It seems they know they won"t get another chance for an hour or two. Birds also seek safe places before a storm. You will sometimes see birds settling in trees or gathering together on a wire close to a building. Pre-storm low pressure makes the air so thin that birds have difficulty flying. It is unusual to see many birds flying overhead in the summertime, rather than during the periods in the spring or autumn. Watch for other weather signs if you see this. If they fly in the wrong direction, they may be flying ahead of a storm. By paying closer attention to some important signs in nature, we can become better prepared for any kind of weather. |
1. The word "indicators" in paragraph 1 probably means _____. |
A. maps B. services C. signs D. stations |
2. There will be a storm if birds _____. |
A. make more noise than usual B. fly in different directions C. come down from tall trees D. share a piece of bread |
3. How can birds sense the coming of a storm? |
A. By feeling a drop in air temperature. B. By noticing the change of wind directions. C. By feeling a drop in air pressure. D. By noticing the movements of other animals. |
4. The best title for the text would be _____. |
A. Signs of a Storm B. Drops in Air Pressure C. Animals" Sharp Senses D. Nature"s Weather Signs |
答案
1-4: CACD |
举一反三
阅读理解。 |
Teens don"t understand the big fuss (小题大做). As the first generation to grow up in a wired world, they hardly know a time when computers weren"t around, and they eagerly catch the chance to spend hours online, chatting with friends, So what? But researchers nationwide are increasingly worried that teens are becoming isolated (孤寂), less skillful at person-to-person relationships, and perhaps numb (麻木) to the cheatings that are so much a part of the e-mail world. "And a teen"s sense of self and values may be changed in a world where personal connections can be limitless,"said Sherry Turkle. Another researcher, Robert Kraut, said he"s worried about the "opportunity costs" (机会成本) of so much online time for youths. He found that teens who used computers, even just a few hours a week, showed increased signs of loneliness and social isolation. "Chatting online may be better than watching television, but it"s worse than hanging out (闲逛) with real friends," he said. Today"s teens, however, don"t see anything strange in the fact that the computer takes up a central place in their social lives, "School is busy and full of pressure. There"s almost no time to just hang out." said Parker Rice, 17. "Talking online is just catch-up time." Teens say they feel good about what they say online or taking the time to think about a reply. Some teens admit that asking someone for a date, or breaking up, can be easier in message form, though they don"t want to do so. But they insist there"s no harm. |
1. The researchers argue that _____. |
A. teens may develop a different sense of values B. nothing is wrong with teens" chatting online C. teens can manage their social connections D. spending hours online does much good to teens |
2. The text mainly deals with _____. |
A. use computers properly B. improve their school work C. develop an interest in social skills D. reduce their mental pressures |
3. The text mainly deals with _____. |
A. teens" pleasant online experience B. teens" computer skills and school work C. the effects of the computer world on teens D. different opinions on teens" chatting online |
4. The purpose of the text is to _____. |
A. describe computer research results B. draw attention to teens" computer habits C. suggest ways to deal with problem teens D. discuss problems teens have at school |
阅读理解。 |
Michael Fish may soon be replaced as a weather forecaster by something truly fishier---the shark (鲨鱼). Research by a British biology student suggests that sharks could be used to predict storms. Lauren Smith, 24, is close to completing her study on shark"s ability to sense pressure. If her studies prove the theory, scientists may be able to monitor the behaviour of sharks to predict bad weather. Miss Smith had previously studied the behaviour of lemon sharks in the Bahamas. She then used their close relatives, lesser spotted dogfish, for further research at Aberdeen University. Her work---thought to be the first of its kind to test the pressure theory ---- resulted from the observation that juvenile blacktip sharks off Florida moved into deeper water ahead of a violent storm in 2001. Miss Smith said: "I"ve always been crazy about traveling and diving and this led me to an interest in sharks." "I was delighted to have been able to research in the area for my degree. I know there"s so much more we need to understand ---- but it certainly opens the way to more research." It has been discovered that a shark senses pressure using hair cells in its balance system. At the Bimini Shark Lab in the Bahamas, Miss Smith fixed hi-tech sensors to sharks to record pressure and temperature, while also tracking them using GPS (Global Positioning System) technology. In Aberdeen, she was able to study the effects of tidal (潮汐的) and temperature changes on dogfish---- none of which were harmed. She also used a special lab which can mimic (模拟) oceanic pressure changes caused by weather fronts. She is due to complete her study and graduate later this year. She says she will be looking for a job which will give her the chance to enrich her experience of shark research. |
1. The passage is most probably taken from _____. |
A. a short-story collection B. a popular science magazine C. a research paper D. a personal diary |
2. What do we learn from the first four paragraph of the passage? |
A. Sharks may be used to predict bad weather. B. Sharks" behaviour can be controlled. C. Michael Fish is not qualified for his job. D. Lauren Smith will become a weather forecaster. |
3. Lauren Smith conducted her research by _______. |
A. removing hair cells from a shark"s balance system B. measuring the air pressure of weather fronts C. recording sharks" body temperature D. monitoring sharks" reaction to weather changes |
4. What is the passage mainly about? |
A. A popular way of forecasting weather. B. A new research effort in predicting storms. C. Biologists" interest in the secrets of sharks. D. Lauren Smith"s devotion to scientific research. |
阅读理解诶。 |
While all my classmates seem to be crazy about a one-way ticket to Mars (火星), I"d rather say Mars is totally unsuitable for human existence. People won"t have enough food supplies there, and the terrible environment would make it impossible for them to live a long life. Besides, the journey won"t be safe. Can anybody explain to me just why people would go to Mars, never to return? Steve Minear, UK Here are the things you can think of: the desire to explore a foreign and unique environment, the excitement of being the first humans to open up a new world, the expectation of fame and glory…For scientists there is another reason. Their observations and research will probably lead to great scientific achievements. Donal Trollop, Canada There are already too many people on the Earth. I think that sometime before the end of the century, there will be a human colony (殖民地) on Mars. It will happen when people finally realize that two-way trips to the red planet Mars are unnecessary. Most of the danger of space flight is in the launches (发射) and landings. Cutting the trip home would therefore reduce the danger of accidents, save a lot of money, and open the way to building an everlasting human settlement on another world. Enough supplies can be sent on ahead. And every two years more supplies and more people will be sent to the new colony. Mars has all the materials for a colony to produce or make everything it needs, and Mars is far more pleasant than the other planets in the outer space. Paul Davies. USA |
1. The main purpose of Steve Minear"s writing is _____. |
A. to report his classmates" discussion B. to invite an answer to his question C. to explain the natural state of Mars D. to show his agreement on going to Mars |
2. Which of the following best states Donal Trollop"s idea? |
A. There is a plan to send humans to Mars. B. There are many reasons for going to Mars. C. Scientists become famous by doing research on Mars. D. It is possible to build an Earth-like environment on Mars. |
3. Paul Davies points out that _____. |
A. humans need only a one-way ticket to Mars B. two-way trips to Mars will be made safe soon C. it is easy to reduce the danger and cost of flights to Mars D. it is cheap to build an everlasting human settlement on Mars |
4. What does Paul Davies think of human existence on Mars? |
A. Humans will have to bring all they need from the Earth. B. Humans will find Mars totally unsuitable for living. C. Humans can produce everything they need. D. Humans can live longer in the colony on Mars. |
阅读理解。 |
Being able to multitask-doing several things at the same time-is considered a welcome skill by most people. But if we consider the situation of the young people aged from eight to eighteen, we should think again. What we often see nowadays is that young people juggle an ever larger number of electronic devices (电子 产品) as they study. While working, they also surf on the Internet, send out emails, answer the telephone and listen to music on their iPods. In a sense, they are spending a significant amount of time in fruitless efforts as they multitask. Multitasking is even changing the relationship between family members. As young people give so much attention to their own worlds, they seem to have no time to spend with the other people around them. They can no longer greet family members when they enter the house, nor can they eat at the family table. Multitasking also affects young people"s performance at university and in the workplace. When asked about their opinion of the effect of modern gadgets (器具) on their performance of tasks, many young people gave a positive response (反应). However, the response from the worlds of education and business was not quite as positive. Educators feel that multitasking by children has a serious effect on later development of study skills. They believe that many college students now need help to improve their study skills. Similarly, employers feel that young people entering the job market need to be taught all over again, as modern gadgets have made it unnecessary for them to learn special skills to do their work. |
1. What does the underlined word "juggle" in Paragraph 2 most probably mean? |
A. Want to buy. B. Take the place of. C. Use at the same time. D. Seek for information from. |
2. In Paragraph 3, the author points out that _____. |
A. family members do not eat at the family table B. family member do not greet each other C. young people live happily in their families D. young people seldom talk with their family members |
3. What is the main idea of the last paragraph? |
A. Multitasking is harmful to young people"s development. B. Young people benefit a lot from modern gadgets. C. Multitasking is an important skill to young people. D. Young people must learn skills for future jobs. |
4. The author develops the passage mainly by _____. |
A. providing typical examples B. following the natural time order C. comparing opinions from different fields D. presenting a cause and analyzing its effects |
阅读理解。 |
Despite the fact that it has never been seen almost everyone is familiar with the legendary unicorn (独角兽). Descriptions of unicorns have been found dating from ancient times. The great philosopher Aristotle theorized that there were two types of unicorn--- the so-called Indian Ass and the Oryx, a kind of antelope. Unicorns are often used in the logo of a noble family, town council or university as their special sign. Even Scotland is represented by a unicorn. According to the legend, anyone attempting to catch a unicorn had to be extremely cautious as it has a reputation for being very fierce. A clever trick suggested by unicorn-trappers, in order to catch this magnificent beast without being hurt by its horn, was for the hunter to stand in front of a tree and then to move quickly behind it as the unicorn charged. Hopefully, the creature could then be captured when its horn was stuck in the tree. When hollowed out and used as a drinking-cup, the unicorn"s horn was said to have the power to offer protection against person. It was believed that nobody could be harmed-by drinking the contents of a unicorn"s horn. Right up until the French Revolution in 1789, the French court was said to have used cups made of"unicorn" horn in order to protect the king. In addition, the horn was said to have medicinal value, so much so that it could be sold for more than ten times the price of the same weight of gold. What, then, was "unicorn" horn? We know at times the rhino (犀牛) was confused with this legendary creature. A drinking-cup supposedly made of"unicorn" horn was discovered to be made of the horn of a rhino. |
1. Which of the following is TRUE of the unicorn? |
A. It was not historically recorded B. Its horn was first used in France C. It was similar to the Indian Ass and the Oryx D. It could be the symbol of a university |
2. To catch a unicorn, the unicorn-trappers had to try all of the following EXCEPT ____. |
A. tempting the unicorn to attack B. making use of the tree as a protection C. hiding quickly behind the unicorn D. having the unicorn horn stuck in the tree |
3. The last paragraph is mainly about ____. |
A. the properties of the unicorn horn B. the users of the unicorn horn C. the price of the unicorn horn D. the comparison between the unicorn horn and the rhino horn |
4. In the last paragraph, the word "unicorn" is in quotation marks (引号) because _____. |
A. the cup is designed only for a royal family B. the unicorn does not exist in reality C. the unicorn is the rarest animal in the world D. the medicinal value of the horn is appreciated |
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