1、成才之路 英语路漫漫其修远兮 吾将上下而求索人教版 选修8Unit 2 Cloning成才之路 高中新课程 学习指导 人教版 英语 选修8 课标版CloningUnit 2成才之路 高中新课程 学习指导 人教版 英语 选修8 课标版Unit 2 Cloning话 题 引 入成才之路 高中新课程 学习指导 人教版 英语 选修8 课标版Unit 2 Cloning成才之路 高中新课程 学习指导 人教版 英语 选修8 课标版Unit 2 CloningIn the movie Jurassic Park，scientists clone dinosaurs byusingtheDNAthatwasp
2、reservedformillionsofyearsHowever，there is trouble when the cloned dinosaurs turnout fiercer and smarter than expectedCan dinosaurs really becloned？Theoretically，they can；all that would be required isDNA from an extinct dinosaur and a currently living closely relatedspecies which would act as a surr
3、ogate mother(代孕母亲)Infact，there is continuing research to clone the Woolly Mammoth byextracting(提取)the DNA from frozen animals成才之路 高中新课程 学习指导 人教版 英语 选修8 课标版Unit 2 CloningActually，cloning is a phenomenon that occurs naturally in awide variety of speciesWhenever you see a pair of identicaltwins，they ar
4、e examples of natures clonesAlthough scientistshave been cloning certain plants like the carrot quite successfullyfor decades，attempts at cloning animals have not been assuccessfulHowever，they began long before the birth of Dolly，the sheepthe first mammal to be successfully cloned成才之路 高中新课程 学习指导 人教版
5、 英语 选修8 课标版Unit 2 CloningCloning humans does give rise to some misgivings，raising anumber of moral problems involvedIn fact，the social influencesof producing humans artificially were brilliantly explored in thefamous novel Brave New World by Aldous Huxley，and also in themovie The Island成才之路 高中新课程 学习
6、指导 人教版 英语 选修8 课标版Unit 2 CloningHuman cloning is basically about creating a genetically(基因地)identical copy of a previously existing personWhy wouldsome people choose to clone human beings？Well，generally，itcould make couples unable to have babies have their ownchildrenReplacing a dead child is also an
7、other reason why somepeople have expressed interest in the technology文章大意：本文是说明文。介绍了克隆的相关情况。成才之路 高中新课程 学习指导 人教版 英语 选修8 课标版Unit 2 Cloning1The purpose of the first paragraph is to _Agive us an introduction to a movie Banalyse the possibility of cloningCgive an introduction to the textDtell us the impo
8、rtance of cloning答案：C 从后文内容可知，第一段主要是为了引出下文。成才之路 高中新课程 学习指导 人教版 英语 选修8 课标版Unit 2 Cloning2In what way is human cloning useful？AIt can bring a dead person back to lifeBIt makes it possible to replace a dead childCIt can help cure some human diseasesDIt can help people have more healthy children答案：B 从最后
9、一段可知，克隆人可以替代一个死了的孩子或者帮助不孕夫妻受孕。成才之路 高中新课程 学习指导 人教版 英语 选修8 课标版Unit 2 Cloning3What does the underlined word“misgivings”in the thirdparagraph mean？AWorries BAimsCRegulationsDPrinciples答案：A 从该词后的raising a number of moral problemsinvolved可知，克隆人引起了很多担忧。成才之路 高中新课程 学习指导 人教版 英语 选修8 课标版Unit 2 Cloning4What attitude do people have towards human cloning？AThey think human cloning is uselessBThey believe it can help humans in many waysCThey believe it can cause many moral problemsDThey doubt whether it can succeed or not答案：C 从第三段可知，克隆人一直是一个存在争议的问题，涉及很多道德问题。