1、Book 8Unit 2Cloning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 commercial quantities of plants. The other is that it is3(value)for research on new plant species and for medical r
2、esearch 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 s
3、torm 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.答案1.making考查非谓语动词。介词of后需接动名词作宾语。2.that考查名词性从句。设空处引导表语从句,从句结构和意
4、义完整,故用that引导。3.valuable考查形容词。此处需用形容词作表语。4.However考查副词。上下文构成转折关系,故使用However。5.to undertake考查非谓语动词。Sth. be+adj.+to do为固定句式,用不定式的主动形式表示被动意义。6.scientific考查形容词。此处修饰名词world,需用形容词。7.more考查比较级。根据下文的than可判断答案。8.objection(s)考查名词。介词of后接名词作宾语。9.on考查介词。have a great impact on sth.意为“对有重大影响”。10.will help考查动词的时态。此处
5、表示将来意义,故使用一般将来时。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。(in vain) .将以上句子连成一篇语言流畅、用词准确、逻
6、辑严密的短文。 答案.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
7、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,
8、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
9、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.单元词汇拓展速记“-ance”一族avoidance n.避免attendance
10、 n.出席abundance n.大量,充足accordance n.一致,和谐arrogance n.傲慢,自大 appearance n.露面, 外貌 assurance n.确信, 断言 admittance n.入场权, 准入assistance n.协助,援助 acquaintance n.相识,熟人acceptance n.接受,接纳brilliance n.光辉,灿烂clearance n.清除circumstance n.环境,境况 disturbance n.骚动, 打扰distance n.距离,远处 elegance n.高雅, 优雅entrance n.入口, 门口en
11、durance n.忍耐(力), 持久(力)fragrance n.香味, 香气 guidance n.指导, 导航hesitance n.犹豫, 踌躇imbalance n.不平衡, 不均衡ignorance n.无知, 不知irrelevance n.枝节问题insurance n.保险importance n.重要(性),重大performance n.履行,表演perseverance n.毅力, 坚定不移reliance n.信任,依赖romance n.浪漫(史)significance n.意义, 重要性 sufferance n.忍耐, 容许tolerance n.宽容, 容忍, 忍受
