2021高考英语(三月)阅读类自练(7)及答案(济南市).docx
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1、2021高考英语(三月)阅读类自练(7)及答案(济南市)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。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 e
2、xistence of mirror neurons suggests that every time we see someone else do something, our brains imitate (仿照) 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 no
3、t only appear to explain physical actions, they also tell us that 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 peo
4、ple feel. Researchers have found that mirror neurons relate strongly 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 th
5、is example, actually taking hold of a ball) . Any problems with 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 discove
6、ries might help find treatments for social disorders. Research into 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 physic
7、s. And the next time you feel the urge to cough in the cinema when 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 someo
8、ne else stay up late2. The underlined word“triggered”in the third 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 beh
9、avior and social disordersD. determine our knowledge and language 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 dru
10、gs sometimes cause more damage than they cure. One 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,
11、acidity, and so on. But triggers can come with their 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
12、new. Researchers around the globe have developed polymers (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 t
13、he light can reach the capsule. NIR light largely 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, repor
14、ted that she and her colleagues had designed a polymer 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 NI
15、R absorber, and it could be poisonous to cells when 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)
16、components that make it highly unstable in its polymeric 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 an
17、d break the long polymer into two short chains. Shining 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 f
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- 2021 高考 英语 三月 阅读 答案 济南市
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