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1、北京人大附中2015届高考英语阅读理解二轮复习选编（2）及答案阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。Scientists have found what look like caves on Mars(火星), and say they could be protecting life from the planets terrible environment.The first caves discovered beyond the Earth appear as seven mysterious black dots on the pictures se
2、nt back by NASAs Mars Odyssey orbiter. Each as large as a football field, they may be openings into natural caves below the Martian surface.“If there is life on Mars, there is a good chance youd find it in caves,” said Jut Wynne, one of the researchers who noticed the features while working on a US
3、Geological Survey Mars Cave Detection Program.Jonathan Clarke, a geologist with the Mars Society of Australia, yesterday described the discovery as exciting.One photo taken at night by an infrared imager(红外线成像器) showed one hole to be unusually warm,suggesting hot air trapped during the day is flowin
4、g out.“I said:Wow, thats a cave. ” Dr. Clarke said excitedly. “People have been looking for these for a long time;now we have found them.”He agreed such caves would be perfect places to hunt for life escaping from the bitterly cold,radiation-soaked(充满辐射的),dry surface.“Tiny drops of water could colle
5、ct inside,” he said. “If there are gases coming out, they could provide energy for a whole range of bacteria. A cave is also a protection from radiation; the surface of Mars is exposed to high levels of space radiation.The caves probably formed when tube-shaped lava flows(管状岩浆流) spread across the pl
6、anet long ago. The outside of the tubes cooled,forming solid walls, while something hotter inside allowed the remaining lava to flow out, forming caves.”1. What does the passage mainly talk about?A. How the caves were formed on Mars.B. How scientists found these caves on Mars.C. Caves on Mars may be
7、 full of hot air or a sign of life.D. Scientists have completely recognized the surface of Mars.2. We can learn from the passage that.A. water has already been found on Mars B. the scientists found all the caves at nightC. it is certain that there is life in these cavesD. the surface of Mars is bitt
8、erly cold,radiation-soaked and dry3. According to the passage,Dr. Clarke was so excited because.A. such caves could provide energy for lifeB. they had finally found the caves on MarsC. such caves would be perfect places to hunt for lifeD. scientists had long been looking for these caves4. Necessary
9、condition for life on Mars mentioned in the passage may include.A. lava and energy B. water and radiation from spaceC. gases and lava D. water and protection from radiation【参考答案】1-4、CDBD阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。Suppose you are a visitor in the land of Mongolia（蒙古）, some friends ask you to
10、eat with them. What kind of manners do they want you to have? They want you to give a loud burp（打饱嗝儿）after you finish eating. Burping would show that you like your food. In some countries, if you give a big burp, you are told to say “Excuse me, please”.In many places people like to eat together. But
11、 in some parts of Polynesia it is bad manners to be seen eating at all. People show their good manners by turning their backs on others while they eat.What are manners like in an East African town? The people try not to see you. They are being polite. You may see a friend. He may not see you at all.
12、 If you are polite, you will sit down beside him. You will wait until he finishes what he is doing. Then he will talk to you. Manners are different all over the world. But it is good to know that all manners begin in the same way. People need ways to show that they want to be friends.1. In Mongolia,
13、 burping is a way of showing that _. A . you are impolite B . you enjoyed the meal prepared by the host C . your meal was not enough D . you are friendly with your host2. However, in some countries, if you give a big burp, you are told to say “_” A . Im full B . Im sorry C . I have had enough D . Ex
14、cuse me, please3. In Polynesia, to be polite while eating you should _. A . eat quickly B . sit still C . turn your back on others D . say “Be quick, please”4. People in an East African town are being polite by _. A . waiting for a long time before visits B . sitting down beside others C . seeing a
15、friend quickly D . trying not to see you5. We have good manners to show that we _. A . are different from other people B . dont want other people to worry us C . begin all manners in the same way D . want to be friends with other people【参考答案】15、BDCDD 较难题目特训：科普知识类 阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项
16、。Do you know how it is when you see someone yawn and you start yawning too? Or how hard it is to be among people laughing and not laugh yourself? Well, apparently its because we have mirror neurons (神经元) in our brains. Put simply, the existence of mirror neurons suggests that every time we see someo
17、ne else do something, our brains imitate (模仿) it, whether or not we actually perform the same action. This explains a great deal about how we learn to smile, talk, walk, dance or play sports. But the idea goes further: mirror neurons not only appear to explain physical actions, they also tell us tha
18、t there is a biological basis for the way we understand other people. Mirror neurons can undoubtedly be found all over our brains, but especially in the areas which relate to our ability to use languages, and to understand how other people feel. Researchers have found that mirror neurons relate stro
19、ngly to language. A group of researchers discovered that if they gave people sentences to listen to (for example: “The hand took hold of the ball”) , the same mirror neurons weretriggered as when the action was actually performed (in this example, actually taking hold of a ball) . Any problems with
20、mirror neurons may well result in problems with behavior. Much research suggests that people with social and behavioral problems have mirror neurons which are not fully functioning. However, it is not yet known exactly how these discoveries might help find treatments for social disorders. Research i
21、nto mirror neurons seems to provide us with ever more information concerning how humans behave and interact (互动) . Indeed, it may turn out to be the equivalent (相等物) for neuroscience of what Einsteins theory of relativity was for physics. And the next time you feel the urge to cough in the cinema wh
22、en someone else doeswell, perhaps youll understand why. 1. Mirror neurons can explain.A. why we cry when we are hurtB. why we cough when we suffer from a coldC. why we smile when we see someone else smileD. why we yawn when we see someone else stay up late2. The underlined word“triggered”in the thir
23、d paragraph probably means“”.A. set off B. cut offC. built up D. broken up3. We can learn from the passage that mirror neurons.A. relate to human behavior and interactionB. control human physical actions and feelingsC. result in bad behavior and social disordersD. determine our knowledge and languag
24、e abilities4. What is the passage mainly about? A. Ways to find mirror neurons. B. Problems of mirror neurons. C. Existence of mirror neurons. D. Functions of mirror neurons. 【参考答案】14、CAAD阅读理解-【2012江苏卷】阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。Medical drugs sometimes cause more damage than they cure. One
25、 solution to this problem is to put the drugs inside a capsule, protecting them from the bodyand the body from themuntil they can be released at just the right spot. There are lots of ways to trigger (引发) this release，including changing temperature, acidity, and so on. But triggers can come with the
26、ir own risksburns, for example. Now, researchers in California have designed what could be a harmless trigger to date: shining nearinfrared light (NIR, 近红外线) on the drug in the capsule.The idea of using light to liberate the drug in the capsule isnt new. Researchers around the globe have developed p
27、olymers (聚合物) and other materials that begin to break down when they absorb either ultraviolet (UV, 紫外线) or visible light. But tissues also readily absorb UV and visible light, which means the drug release can be triggered only near the skin, where the light can reach the capsule. NIR light largely
28、passes through tissues, so researchers have tried to use it as a trigger. But few compounds (化合物) absorb NIR well and go through chemical changes. That changed last year when Adah Almutairi, a chemist at the University of California, San Diego, reported that she and her colleagues had designed a pol
29、ymer that breaks down when it absorbs NIR light. Their polymer used a commercially available NIRabsorbing group called onitrobenzyl (ONB). When they catch the light, ONB groups fall off the polymer, leading to its breakdown. But ONB is only a soso NIR absorber, and it could be poisonous to cells whe
30、n it separates from the polymer.So Almutairi and her colleagues reported creating a new material for capsules thats even better. This one consists of a long chain of compounds called cresol groups linked in a polymer. Cresol contains reactive (易反应的) components that make it highly unstable in its pol
31、ymeric form, a feature Almutairi and her colleagues use to their advantage. After polymerizing the cresols, they cap each reactive component with a lightabsorbing compound called Bhc. When the Bhcs absorb NIR light, the reactive groups are exposed and break the long polymer into two short chains. Sh
32、ining additional light continues this breakdown, potentially releasing any drugs in the capsule. Whats more, Almutairi says, Bhc is 10 times better at absorbing NIR than is ONB and is not poisonous to cells.1. According to the passage, which of the following could be the best trigger?A. Temperature
33、change. B. NIR light. C. Acidity change. D. UV light.2. Why is ONB unsatisfactory?A. It breaks down when it absorbs NIR light.B. It falls off the polymer and triggers drug release.C. It has not come onto the market up till now.D. It is not effective enough and could be poisonous.3. Which word can be
34、 used to complete the following process of changes?A. protected B. formed C. exposed D. combined【要点综述】这是一篇科技文。怎样使用胶囊？如何让吃药更加安全、疗效更好？文章对此做了介绍。1. B信息理解题。根据第一段最后一句“Now, researchers in California have designed what could be a harmless trigger to date: shining nearinfrared light (NIR，近红外线) on the drug in
35、 the capsule.”可知答案。2. D推理判断题。根据第三段最后两句“ONB groups fall off the polymer, leading to its breakdown.”和“and it could be poisonous to cells”可知答案。3. C信息理解题。根据最后一段第五句“When the Bhcs absorb NIR light, the reactive groups are exposed and break the long polymer into two short chains.”可知此处用exposed，即C项正确。较难题目特训：
36、科普知识类 阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。Eating too much fatty food, exercising too little and smoking can raise your future risk of heart disease. But there is another factor that can cause your heart problems more immediately: the air you breathe. Previous studies have linked high exposure (暴露)
37、to environmental pollution to an increased risk of heart problems, but two analyses now show that poor air quality can lead to heart attack or stroke (中风) within as little as a few hours after exposure. In one review of the research, scientists found that people exposed to high levels of pollutants
38、(污染物) were up to 5% more likely to suffer a heart attack within days of exposure than those with lower exposure. A separate study of stroke patients showed that even air that the U. S. Environmental Protection Agency (EPA) considers to be of “moderate” (良好) quality and relatively safe for our health
39、 can raise the risk of stroke as much as 34% within 12 to 14 hours of exposure. The authors of both studies stress that these risks are relatively small for healthy people and certainlymodest compared with other risk factors such as smoking and high blood pressure. However, it is important to be awa
40、re of these dangers because everyone is exposed to air pollution regardless of lifestyle choices. So stricter regulation by the EPA of pollutants may not only improve environmental air quality but could also become necessary to protect public health. 1. The text mainly discusses the relationship bet
41、ween.A. heart problems and air qualityB. heart problems and exercisingC. heart problems and smokingD. heart problems and fatty food2. The underlined word“modest”in Paragraph 3 most probably means.A. relatively highB. extremely low C. relatively lowD. extremely high3. What can we learn from the text?
42、 A. Eating fatty food has immediate effects on your heart. B. The EPA conducted many studies on air quality. C. Moderate air quality is more harmful than smoking. D. Stricter regulations on pollutants should be made. 4. The authors purpose of writing the text is most likely to.A. informB. persuade C. describeD. entertain【参考答案】14、ACDA14
