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辽宁省沈阳铁路实验中学2014-2015学年高二下学期期中考试英语试题 Word版含答案


沈阳铁路实验中学 2014—2015 学年度下学期期中考试 高二英语 时间:100 分钟 满分:120 分 第Ⅰ卷(选择题 共 85 分) 第二部分 阅读理解(共两节,满分 40 分) 第一节 (共 15 小题;每小题 2 分,满分 30 分) 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,并在答题卡 上将该项涂黑。 A In the movie Jurassic Park, scientists clone dinosaurs by using the DNA that was preserved for millions of years. However, there is trouble when the cloned dinosaurs turn out fiercer and smarter than expected. Can dinosaurs really be cloned? Theoretically, they can; all that would be required is DNA from an extinct dinosaur and a currently living closely related species which would act as a surrogate mother (代孕母亲). In fact, there is continuing research to clone the Woolly Mannoth by extracting (提取) the DNA from frozen animals. Actually, cloning is a phenomenon that occurs naturally in a wide variety of species. Whenever you see a pair of identical twins, they are examples of nature’s clones. Although scientists have been cloning certain plants like the carrot quite successfully for decades, attempts at cloning animals have not been as successful. However, they began long before the birth of Dolly, the sheep—the first mammal to be successfully cloned. Cloning humans does give rise to some misgivings, raising a number of moral problems involved. In fact, the social influences of producing humans artificially were brilliantly explored in the famous novel Brave New World by Aldous Huxley, and also in the movie The Island. Human cloning is basically about creating a genetically ( 基因地 )identical copy of a previously existing person. Why would some people choose to clone human beings? Well, generally, it could make couples unable to have babies have their own children. Replacing a dead child is also another reason why some people have expressed interest in the technology. 1. We can infer from the second paragraph that ________. A. More and more people are interested in cloning B. Cloning has saved many animals from dying out C. Cloning has a very short history 2. In what way is human cloning useful? B. It makes it possible to replace a dead child. D. It can help people have more healthy D. Cloning plants is much easier A. It can bring a dead person back to life. C. It can help cure some human diseases. children. 3. What does the underlined word “misgivings” in the third paragraph mean? B. Aims. C. Regulations. D. Principles. A. Worries. 4. What attitude do people have towards human cloning? A. They think human cloning is useless. B. They believe it can help humans in many ways. C. T


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