高考英语一轮复习Unit2Cloning学案

1、Unit 2 Cloning克 隆晨读记忆 Be Careful about Cloning After a series of initial experiments and corrections, the scientists hard work paid off when the twin clone turkeys were hatched with normal feather and claws. This breakthrough possibly enabled people to bring their adored pets back to life. However,

2、it bothered him from time to time that their health was in poor condition because they were unable to resist illnesses. This drawback cast him down. Merely 2 weeks later, the clones and their carrier died, which struck frustration into his heart. He retired before he attained his ambition and became

3、 a member of an opera chorus to relieve his depression. Shortly afterwards, the media published a conservative argument objecting to cloning owing to moral problems, and suggested the constitution include compulsory regulations to forbid obtaining commercial profits from cloning. When interviewed, t

4、he scientist stared at the decorations on the ceiling, thinking for a while, and then said, “Im not in favour of any arbitrary assumption, but undertaking cloning does differ from the straightforward procedure of making loafs out of flour. Until we accumulate enough exact knowledge, any practice is

5、in vain and is bound to fail. Altogether, being more careful is reasonable or we may walk into a side road.”谨慎对待克隆 在最初一系列的实验和修正之后，科学家的辛苦工作终于取得了成功，一对双生的克隆火鸡孵化出来，羽毛和爪子都很正常。这一突破或许能让人们使他们喜爱的宠物死而复生。然而，使他不时地烦恼的是，因为它们无法抵抗疾病，使得它们的健康状况极差。这个缺点让他很沮丧。仅仅过了两个星期，克隆体和母体都死亡了，这使他内心里充满了挫折，他也因此在达到自己目标前就退休了，并选择加入歌剧合唱团来减

6、轻消沉的感觉。 之后不久，媒体就因为道德问题而发表了反对克隆的保守论点，并且建议宪法应该包括强制性的法规禁止通过克隆获得商业利益。 当被采访时，科学家盯着天花板上的装饰物思考了一会儿，说：“我不赞成任何任意的假设，但是从事克隆与用面粉制作面包的简单过程确实不大相同。在我们积累了足够的准确知识前，任何实际操作都是徒劳无功的，注定会失败。总而言之，更加谨慎地对待克隆是合理的，否则我们或许会误入歧途。”I.单词盘点1._(vi.) 不同；相异_(adj.) 不同的2._(adj.) 精确的；准确的 3._(n.) 双胞胎之一；孪生儿之一 (adj.) 成对的；成双的4._(adj.) 商业的；贸易的

7、 5._(adj.) 简单的；直接的；坦率的6._(vt.) (undertook;undertaken)着手;从事;承担7._(n.) 突破8._(n.) 程序；步骤；手续 9._(n.) 携带者；搬运工；运输工具 10._(vt.) (cast;cast) 扔；投；掷11._(adv.) 总共；完全地 12. _ (adj.) 任意的13._(n.) 改正；纠正；修正 14._(vi.) 反对；不赞成_(n.) 不赞成；反对；异议15._(n.) (pl media)媒介；手段；工具16._(vt.) 获得；赢得17._(vt.) 获得；达到(水平、年龄、状况等)18._(adj.) 道德

8、(上)的；伦理的 19._(adj.) 保守的；守旧的 20. _(vt.) (forbade,forbad；forbidden)禁止;不准21. _(vt.&vi.) 积累；聚积22._(n.) 宪法；章程23._(adj.) 必须做的；义务的；强迫的；强制的 24._(n.) 歌剧；歌剧团；歌剧院25._(n.) 合唱；合唱队26._(n.) 一条(面包) 27._(n.) 面粉28._(vt.) 欠(账、钱、人情等)；归功于 29._(adv.) 立刻；不久 30._(vi.) 退休；离开_(n.) 退休 31._(vt.) 打扰 (vi.)操心 (n.)烦扰 32. _(n.) 假定；

9、设想_ (vt.) 假定；设想33. _(n.) 规则；规章；法规34 ._(vt.&vi.) 打；撞击；罢工 n.罢工35._(adj.) 最初的；开始的36._(adj.) 虚荣的；自负的；徒劳的37._(vt.) 抵抗；对抗38._(n.) 缺点；不利条件39._(adv.) 仅；只；不过40._(n.) 装饰41._(adj.) 不能的；不会的42._(n.) 羽毛43._(n.) 火鸡44._(n.) 爪；脚爪45._(vt.) 崇拜；爱慕；喜爱46._(vt.&vi.) 孵出；孵卵；孵化47._(adj.) 合情理的;讲道理的;公道的II.短语回顾1.得到好结果；取得成功；偿清 _

10、2.沮丧；不愉快 _3.赞成；支持 _4.一定或注定(做) _ 5.使刻骨铭心 _6.不时；偶尔 _7.使复生；使复活 _8.白费力气；枉费心机 _ 9.状况/情况很好(坏) _10. 把归功于 _11.反对 _ III.句式扫描1.The fact that she seemed to develop normally was very encouraging.(教材P11)看来多莉是在正常地成长着，这很令人鼓舞。2.Then came the disturbing news that Dolly had become seriously ill.接着传来了多莉病重的坏消息。3.The ad

11、vantage is that if there is a new illness some of these animals may die, but others will survive and pass on the ability to resist that disease to the next generation.其优点是如果发生某种新的疾病，这类动物中的一些可能会死掉，但是另外一些却能存活下来，并且把这种免疫力传给下一代。4.Based on what we know now, you cannot clone animals that have been extinct

12、longer than 10,000 years. 就我们现在所知，你不可能克隆那些绝种了一万年以上的动物。 IV.小试牛刀 .单词填空1.At last，his hard working earned him a lot after he_ (retire)2.Last night，the earthquake_(strike) the place，making much damage.3.It is _(forbid) to sell alcohol to those under the age of 18 here.4.At that moment，I couldnt say anyth

13、ing_(owe) to my sadness.5.They were asked to_(regular)the traffic.6.Im sorry to have_(bother) you with so many questions on such an occasion. .短语填空 shortly after，in favor of，pay off，take turns，differ from，have a great impact on，be appropriate to，object to，be bound to1.Many people_experimentation on

14、animals.2.It took them three years to_the debt.3.Man_beasts in that the former is able to laugh，while the latter arent.4.They_to look after the baby.5.In their discussion，I was_Ms.Li.6.Warnings about the dangers of smoking seem to_that age group.7.John passed through a difficult period_his mothers d

15、eath.8.His formal style of speaking_the occasion.9.We_win the victory.单句填词1.The United Nations was supposed _.(undertake) responsibility for global peace keeping 2.He strongly objects to_ (be) treated like a child. 3._(owe) to the rain , the match was cancelled.4.The fact_he has failed several times

16、 makes him very upset.5.The news _house prices will fall has caused many people to sell their houses at lower prices.单句改错1.It remains to be seen that the newly formed committees policy can be put into practice.2.There is not much different in price between the two computers.3.Whether we need to spen

17、d more time on the project have not been discussed.4.We may ask her a few questions to make sure we know exactly what she wants.5.Lots of people dont bother go through a marriage ceremony these days.I.单词盘点1.differ;different 2.mercial 5.straightforward 6.undertake 7.breakthrough 8.pro

18、cedure 9.carrier 10.cast 11.altogether 12.arbitrary 13.correction 14.object；objection 15.medium 16.obtain 17.attain 18.moral 19.conservative 20.forbid 21.accumulate 22.constitution 23.compulsory 24.opera 25.chorus 26.loaf 27.flour 28.owe 29.shortly 30.retire；retirement 31.bother 32.assumption；assume 33.regulation 34.strike 35.initial 36.vain 37.resist 38.drawback 39.m