Doyouthinkitpossibleforpeopletocloneadinosaur_Why_

1、The return of the dinosaurs ?Do you think it possible for people to clone a dinosaur ? Why ? Lets enjoy some pictures about dinosaurs. Carnosaurus 食肉龙霸王龙tyrannosaurus T.rex 剑龙stegosaursVelociraptor迅猛龙三角龙Triceratops 雷龙 brontosaurus翼龙pterodactylFast ReadingMatch the main idea with each paragraph.Para1

2、 explain the impossibility of cloning dinosaurs Para2 conclude that its just a dreamPara3 introduce the topic of the passage A. Supportive. B. Neutral (中立的). C. Negative (否定的). D. Subjective(主观的).objective客观的, positive肯定的 impartial 公平的 arbitrary武断的 optimistic乐观的 pessimistic悲观的critical持批评态度的 cautious

3、谨慎的 indifferent冷漠的 What is the writers attitude towards cloning the dinosaurs?Part 1 chose the best answerCareful reading1. The film Jurassic Park is popular because _ .A. people are interested in the subject of cloningB. all the actors are dinosaursC. it was directed by a scientist who clones dinos

4、aurs D. it proves very interesting2. Which of the following is true? A. Mice were cloned in 1981. B. Dolly the sheep was the first cloned animal. C. The name of the cloned cow is “Bison”. D. China was successful in cloning mammals. Part2 Fill in the blanks according to the passage._ for its impossib

5、ility Perfect is needed. There is not enough _ in the group. A (n) _ would be needed for the cloned extinct animals.Reasonsdiversitysuitable habitatDNAAdvantage of diversityDisadvantage of diversityFind out the advantages and disadvantages of the diversity in a group of cloned animalsIf there is a n

6、ew illness some of these animals may die ,but others will survive and passed on the ability to resist that disease to the next generation.They would all have the same arrangement of genes and so they might all die of the same disease._The chance of dinosaurs returning to the earth is _.merely a drea

7、mConclusionPara3True or FalseThe animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning.2. If we can clone any extinct animals, we should let them live in a zoo.Whether the dinosaurs should be cloned?The introduction The reasons for the impossibilit

8、y of cloning dinosaurs The conclusionsummary1. 克隆凶猛和灭绝的野生动物的可能性一直使电影制片商感到兴奋。 The possibility _ _has always excited film makers. of cloning fierce and extinct wildWords, phrases and sentencesanimals2. But they are not the only ones So the chances of dinosaurs ever returning to the earth is merely a d

9、ream. only adj. 仅有的,唯一的,最适当的 We were the only people there . She is the only person for the job. adv. 只有,仅 I asked it merely out of curiosity. Its not merely a job, but a way of life. He goes there simply because he likes to. It was just an ordinary day. (只是,仅仅是)3. The popularity of the film such as

10、 Jurassic Park, _ a scientist clones several different kinds of extinct dinosaurs, proves how ideas struck a mixture of fear and excitement into peoples hearts.in which在电影侏罗纪公园中，一位科学家克隆了几种不同的恐龙。这样的电影很受欢迎，证实了这一想法使人们感到既兴奋又恐惧。宾语从句_定语从句strike into ones heart: 使刻骨铭心他的话使我深感恐惧。His words strike terror into

11、my heartstrike：(过去式_;过去分词 _)1). He fell, striking his head on the edge of the table. _2). The area was struck by an outbreak of cholera. _3). An awful thought has just struck me._4). They struck for better working conditions._5). The clock has just struck three. _6) strike a match_Exx. 译:1) Strike w

12、hile the iron is hot._2) 我突然想到我们如何能改善局面了。_struckstruck碰，撞，打（灾难，疾病等）侵袭，爆发想起，想到罢工报时，敲响划，擦火柴趁热打铁It struck me how we could improve the situation.4.要想克隆灭绝动物，我们还有很长的路程要走。 We are _ able to clone extinct animals. a long way from beingWe are far from being able to clone extinct animals. way n.(两点之间的)距离,时间段想要

13、完全适应，她还有很长的路程要走。She still has a long way to go before she fully fits in. a way to do /of doing sth. 做的方法/手段 get into the way of doing sth.养成的习惯 get in the way of sb. doing sth.挡的路,防碍 make way for sb. 给让路/位置 5. 不时地会有人提议，克隆技术将有可能使地球上已经灭绝的动物(如恐龙)复活。_ people suggest that the animals that have disappeare

14、d from the earth, like dinosaurs, can possibly _ through cloning.From time to timebe brought back to lifefrom time to time有时, 间或, 偶尔,= occasionally, now and then, sometimes, at timese.g.: She has to work at weekends from time to timebring back to life 使复生 come back to lifebring sb./sth. back: 把送回，归还

15、Please bring back all library books by the end of the week.bring sth back: 使回忆起，使想起； 恢复，重新使用The photographs brought back many pleasant memories.Most people are against bringing back the death penalty.bring sb. sth./ bring sth. back (for) sb. (给)带回I brought a T-shirt back for Mark.6.All efforts of cl

16、oning an animal will be _if there is not enough diversity in the group to overcome illnesses.如果某个动物群体中没有足够的多样性以战胜疾病，那么克隆这种动物的所有努力都将是无用的。in vain_状语从句vain: adj. 徒劳的，枉然的，无结果的； 自负的，自恃过高的 vain attempt/hope/effort etc 徒劳的尝试/希望/努力She closed her eyes tightly in a vain attempt to hold back the tears.Shes too

17、 vain to wear glasses.in vain: 枉费心机，徒劳无益，白费力气All our efforts were in vain.They tried in vain to persuade her to go.7. Diversity in a group means having animals _ their genes _ (arrange) in different ways. 群中的多样性指的是拥有基因排列方式不同的动物.witharranged_定语In different ways意为“ 以不同的方式”,作状语pass on (to sb.) (用后)传递,

18、传给 I passed your massage on to my mother.8. The advantage is that if there is a new illness some of these animals may die, but others others will survive and _ the ability _ that disease to the next generation. pass on to resist_表语从句_状语从句其优点是，如果发生了某种新的疾病，这类动物中的一些可能会死去，而另外一些却能存活下来。 resist vt. _抵抗；对抗r

19、esist sth. 抵制；阻挡某事resist doing sth. 反对/抵制做某事cant/couldnt resist doing sth = cant/couldnt help doing sth 忍不住做某事 The bank strongly resisted cutting interest rates.She was charged with resisting arrest.He couldnt resist showing off his new car.知识链接：resistance：n. 抵制，抵抗 resistant: adj. 抵制的，抵抗的be resistan

20、t to 对有抵抗力9. 就我们现在所知，你不可能克隆那些已经绝种了一万年以上的动物。 _ we know now, you cannot clone animals that have been extinct longer than 10,000 years. Based on what/ As far as based on/upon 以为基础, 依据此处为悬垂分词做状语。其结构为: base sth. on/upon sth. is based on/uponPractice:课文佳句仿写 1.【原句】The advantage is that if there is a new il

21、lness 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,如果发生了某种新的疾病，这类动物可能会死去,而另外一些却能存活下来，并且把这种抗疫力传给下一代。模仿要点 句子结构：表语从句+条件句, 【模仿1】网上购物的弊端是，如果你在网上买了质量差的商品，你不可能会换的了；但你可以在真正的商店里精挑细选。_ The disadvantage of shopping on line is

22、 that if you bought a poorly made goods on the Internet, it is impossible for you to change it, but you can have a careful look at the goods in a real shop and choose the best one.【模仿2】早起的优势是，如果我们早起，我们将有机会享受清新的空气和早晨的宁静，但并不是每个人都认为这是令人遗憾的事情。_The advantage of getting up early is that if we get up early, we will have the opportunity of enjoying the fresh air and calmness of the mo