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Unit 2　 Cloning 1 課文與語法填空 　　閱讀下面短文,在空白處填入1個適當的單詞或括號內單詞的正確形式。 Cloning is a way of　1　(make) an exact copy of another animal or plant. It has two major uses. One is　2　gardeners use it to produce mercial quantities of plants. The other is that it is　3　(value)for research on new plant species and for medical research on animals.　4　, the process of cloning is difficult　5　(undertake). Many attempts to clone mammals failed. The first successful clone, Dolly the sheep, made the whole　6　(science) world follow its progress, though it had　7　problems than the normal sheep. On the other hand, Dolly’s appearance raised a storm of　8　(object) and had a great impact　9　the media and public imagination. Different people have different opinions on it. However, scientists still wonder whether cloning　10　(help) or harm us and where it is leading us. 1.　　　2.　　　3.　　　4.　　　5.　　　 6.　　　7.　　　8.　　　9.　　　10.　　　 2 課文與短文改錯 根據課文內容,對下面材料進行修改。文中共有10處語言錯誤,每句中最多有兩處。每處錯誤僅涉及一個單詞的增加、刪除或修改。 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 話題知識與寫作 Ⅰ.根據提示翻譯下列句子。 1.據我所知,人們對于克隆技術尤其是在克隆人方面分歧相當大。(differ) 2.一些人支持它的發(fā)展,他們認為這項技術一定會有利于醫(yī)學的發(fā)展。(in favour of;be bound to) 3.相反,另一些人害怕克隆會引起一系列的道德問題,對社會的發(fā)展造成危害。(on the contrary) 4.我認為,只要所有的人都遵守規(guī)則,承諾合理應用它,克隆將會取得成功。(as long as) 5.克隆將會對社會的發(fā)展做出更多貢獻,科學家們的努力也不會付之東流。(invain) Ⅱ.將以上句子連成一篇語言流暢、用詞準確、邏輯嚴密的短文。 答案精解精析 1.課文與語法填空 1.making　2.that　3.valuable　4.However 5.to undertake　6.scientific　7.more 8.objection(s)　9.on　10.will help　 2.課文與短文改錯 　　The possibility of cloning fierce and extinct wild animals ①havehas always excited film makers. And they are not the only ones. The popularity of films such as Jurassic Park, ②fromin which a scientist clones several kinds of extinct dinosaurs, proves that ordinary people are ③interestinginterested in the subject. But in ④the fact, we are a long way from ⑤∧being able to clone extinct animals. From time to time people suggest that extinct ⑥animalanimals like dinosaurs, can possibly be brought back to ⑦the life through cloning. ⑧UnfortunateUnfortunately , with what we know now, this is either ⑨possibleimpossible unsuitable. So the chance of dinosaurs ever ⑩returnreturning to the earth is merely a dream. ①句子的主語為possibility,故謂語動詞需用單數形式。 ②此處考查“介詞+which”引導的定語從句。表示“在電影中”應使用介詞in。 ③此處考查be interested in,意為“對……感興趣”。 ④in fact實際上,為固定短語。 ⑤from為介詞,后接形容詞需先加being。 ⑥此處用名詞復數表泛指。 ⑦此處考查固定搭配bring sth. back to life。 ⑧副詞放在句首可修飾整個句子,故將Unfortunate改為Unfortunately。 ⑨根據上文的Unfortunately和后面的unsuitable可知答案。 ⑩此處作介詞of的賓語,需用動名詞。 3.話題知識與寫作 Ⅰ.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. Ⅱ.[參考范文] 　　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.