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1、昆明昆明 2015 高考英语阅读理解、完形填空四月自练（高考英语阅读理解、完形填空四月自练（8）答案）答案阅读理解。(2014天津模拟)I heard many parents complaining that their teenage children are rebelling(叛逆). I wish it were so. At your age you ought to be growing away from your parents. You should be learning to stand on your own feet. But take a good look at
2、 the present rebellion. It seems that teenagers are taking the same way of showing that they disagree with their parents. Instead of striking out boldly on their own, most of them are clutching(紧握)at one anothers hands for reassurance(安慰). They claim they want to dress as they please. But they all w
3、ear the same clothes. Then set off in new directions in music. But somehow they all end up with listening to the same record together. Their reason for thinking or acting in thus-and-such a way is that many people are doing it. They have come out of their cocoon(茧)into a larger cocoon. It has become
4、 harder and harder for a teenager to stand up against the popularity wave and go his or her own way. Industry has firmly carved out a teenage market. These days every teenager can learn from the advertisements what a teenager should have and be. And many of todays parents have come to award high mar
5、ks for the popularity of their children. All this adds to a great barrier(障碍)for the teenager who wants to find his or her own path. But the barrier is worth climbing over. The path is worth following. You may want to listen to classical music instead of going to a party. You may want to collect roc
6、ks when everyone else is collecting records. You may have some thoughts that you dont care to share with your classmates at once, well, go to it. Find yourself. Popularity will come with the people who respect you for who you are. That is the only kind of popularity that really counts. 【文章大意】本文鼓励青少年
7、要有自己独立的思维, 不要依赖父母或随波逐流。1. In this passage, the author wants to tell . A. teenagers how to learn to decide things for themselvesB. readers how to be popular with people aroundC. parents how to control and guide their childrenD. people how to understand and respect each other【解析】选 A。主旨大意题。根据第一段中“At yo
8、ur age you ought to be growing away from your parents. You should be learning to stand on your own feet. ”可知 A 项正确。2. According to the author, many teenagers think they are brave enough to act on their own, but in fact, most of them . A. have much difficulty understanding each otherB. lack confidenc
9、eC. dare not cope with problems single-handedD. are much afraid of getting lost【解析】选 C。细节理解题。根据第一段最后一句及第二段内容可知, 他们想我行我素, 但结果却随波逐流。3. What does the author think of advertisements? A. Convincing. B. Influential. C. Instructive. D. Authoritative(权威的). 【解析】选 B。推理判断题。第三段提到青少年很难不受流行趋势的影响。今天, 青少年们可以从广告中知道青
10、少年应该有什么, 应该成为什么样的人, 这说明广告对青少年是有影响力的。4. During the teenage years, one should learn to . A. differ from others in as many ways as possibleB. get into the right reason and become popularC. find ones real selfD. rebel against parents and the popularity wave【解析】选 C。细节理解题。根据最后一段中的“You may have some though
11、ts that you dont care to share with your classmates at once, well, go to it. Find yourself. ”可知 C 项正确。阅读理解。阅读理解。Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are
12、 much larger and heavier than the devices themselves. University of Missouri(MU) researchers are developing a nuclear energy source that is smaller, lighter and more efficient.“To provide enough power, we need certain methods with high energy density”，said Jae Kwon, assistant professor of electrical
13、 and computer engineering at MU. “The radioisotope(放射性同位素) battery can provide power density that is much higher than chemical batteries.”Kwon and his research team have been working on building a small nuclear battery, presently the size and thickness of a penny, intended to power various micro / n
14、anoelectromechanical systems (M/NEMS). Although nuclear batteries can cause concerns, Kwon said they are safe.“People hear the word nuclear and think of something very dangerous,” he said, “However, nuclear power sources have already been safely powering a variety of devices, such as pace-makers, sp
15、ace satellites and underwater systems.”His new idea is not only in the batterys size, but also in its semiconductor(半导体). Kwons battery uses a liquid semiconductor rather than a solid semiconductor.“The key part of using a radioactive battery is that when you harvest the energy, part of the radiatio
16、n energy can damage the lattice structure of the solid semiconductor,” Kwon said, “By using a liquid semiconductor, we believe we can minimize that problem.”Together with J. David Robertson, chemistry professor and associate director of the MU Research Reactor, Kwon is working to build and test the battery. In the future, they hope to increase the batterys power, shrink its size and try with various other materials. Kwon said that battery could be thinner than the thickness o
