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Unit 2 Cloning1 课文与语法填空阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。Cloning is a way of1(make) an exact copy of another animal or plant. It has two major uses. One is2gardeners use it to produce mercial quantities of plants. The other is that it is3(value)for research on new plant species and for medical research on animals.4, the process of cloning is difficult5(undertake). Many attempts to clone mammals failed. The first successful clone, Dolly the sheep, made the whole6(science) world follow its progress, though it had7problems than the normal sheep. On the other hand, Dollys appearance raised a storm of8(object) and had a great impact9the media and public imagination. Different people have different opinions on it. However, scientists still wonder whether cloning10(help) or harm us and where it is leading us.1.2.3.4.5.6.7.8.9.10.2 课文与短文改错根据课文内容,对下面材料进行修改。文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。The possibility of cloning fierce and extinct wild animals have always excited film makers. And they are not the only ones. The popularity of films such as Jurassic Park, from which a scientist clones several kinds of extinct dinosaurs, proves that ordinary people are interesting in the subject. But in the fact, we are a long way from able to clone extinct animals. From time to time people suggest that extinct animal like dinosaurs, can possibly be brought back to the life through cloning. Unfortunate, with what we know now, this is either possible or unsuitable. So the chance of dinosaurs ever return to the earth is merely a dream.3 话题知识与写作.根据提示翻译下列句子。1.据我所知,人们对于克隆技术尤其是在克隆人方面分歧相当大。(differ) 2.一些人支持它的发展,他们认为这项技术一定会有利于医学的发展。(in favour of;be bound to) 3.相反,另一些人害怕克隆会引起一系列的道德问题,对社会的发展造成危害。(on the contrary) 4.我认为,只要所有的人都遵守规则,承诺合理应用它,克隆将会取得成功。(as long as) 5.克隆将会对社会的发展做出更多贡献,科学家们的努力也不会付之东流。(invain) .将以上句子连成一篇语言流畅、用词准确、逻辑严密的短文。 答案精解精析1.课文与语法填空1.making2.that3.valuable4.However5.to undertake6.scientific7.more8.objection(s)9.on10.will help2.课文与短文改错The possibility of cloning fierce and extinct wild animals havehas always excited film makers. And they are not the only ones. The popularity of films such as Jurassic Park, fromin which a scientist clones several kinds of extinct dinosaurs, proves that ordinary people are interestinginterested in the subject. But in the fact, we are a long way from being able to clone extinct animals. From time to time people suggest that extinct animalanimals like dinosaurs, can possibly be brought back to the life through cloning. UnfortunateUnfortunately , with what we know now, this is either possibleimpossible unsuitable. So the chance of dinosaurs ever returnreturning to the earth is merely a dream.句子的主语为possibility,故谓语动词需用单数形式。此处考查“介词+which”引导的定语从句。表示“在电影中”应使用介词in。 此处考查be interested in,意为“对感兴趣”。in fact实际上,为固定短语。from为介词,后接形容词需先加being。 此处用名词复数表泛指。 此处考查固定搭配bring sth. back to life。 副词放在句首可修饰整个句子,故将Unfortunate改为Unfortunately。根据上文的Unfortunately和后面的unsuitable可知答案。此处作介词of的宾语,需用动名词。3.话题知识与写作.1.As far as I know, people differ greatly on cloning technique, especially on cloning human beings.2.Some people are in favour of its development, believing the technique is bound to benefit the medical development.3.On the contrary, others are afraid that it will raise a series of moral problems, thus causing damage to the social development.4.In my opinion, cloning will pay off as long as all the people obey rules and promise to use it properly.5.Cloning will make more contributions to the development of society and the scientists efforts will not be in vain.参考范文As far as I know, people differ greatly on cloning technique, especially on cloning human beings. Some people are in favour of its development, believing the technique is bound to benefit the medical development. On the contrary, others are afraid that it will raise a series of moral problems, thus causing damage to the social development. However, in my opinion, cloning will pay off as long as all the people obey rules and promise to use it properly.In addition, it will make more contributions to the development of society and the scientists efforts will not be in vain.
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