选修UnitUsingLanguagereading学习教程.pptx

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1、 Do you think it possible for people to clone a dinosaur?Do you think it possible for people to clone a dinosaur?Suppose scientists have cloned dinosaurs,what will Suppose scientists have cloned dinosaurs,what will happen?happen?Enjoy an episode of Jurassic Park 第1页/共29页Questions:Why is this movie p

2、opular?Is it possible to clone Dinosaurs?Listen to the tapeJurassic Park 第2页/共29页1.The writer of the text_ A.is excited by the possibility of cloning fierce and extinct animals B.believes that extinct animals can be brought back to life by cloningC.thinks it impossible or unsuitable to clone extinct

3、 animals like dinosaurs D.dreams of dinosaurs returning to the earth主旨大意第3页/共29页Fast ReadingMatch the main idea with each paragraph.Para1 explain the impossibility of cloning dinosaurs Para2 conclude that its just a dreamPara3 introduce the topic of the passage第4页/共29页 A.Supportive.B.Neutral(中立的).C.

4、Negative(否定的).D.Subjective(主观的).objective客观的,positive肯定的 optimistic乐观的 pessimistic悲观的critical持批评态度的 cautious谨慎的 indifferent冷漠的 What is the writers attitude towards cloning the dinosaurs?第5页/共29页Part 1 chose the best answerCareful reading1.The film Jurassic Park is popular because _.A.people are inte

5、rested in the subject of cloningB.all the actors are dinosaursC.it was directed by a scientist who clones dinosaurs D.it proves very interesting第6页/共29页2.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.C

6、hina was successful in cloning mammals.第7页/共29页Part2 Fill in the blanks according to the passage._ for its impossibility Perfect is needed.There is not enough _ in the group.A(n)_ would be needed for the cloned extinct animals.Reasonsdiversitysuitable habitatDNA第8页/共29页Advantage of diversityNot enou

7、gh diversityWhat will happen if there is not enough diversity in a group of cloned animalsIf there is a new 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 t

8、hey might all die of the same disease.第9页/共29页_The chance of dinosaurs returning to the earth is _.merely a dreamConclusionPara3第10页/共29页 We can infer from the text that_ A.scientists are experimenting to clone dinosaursB.dinosaurs will never return to the earthC.cloned animals will only live in the

9、 zooD.the DNA of dinosaurs can only survive 10 000 year推理判断第11页/共29页True or False1.The 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.FF第12页/共29页should the dinosaurs be clo

10、ned?The introduction The reasons for the impossibility of cloning dinosaurs The conclusionsummary第13页/共29页Key words,phrases and sentences第14页/共29页 1.The popularity of the film such as Jurassic Park,_ a scientist clones several different kinds of extinct dinosaurs,proves how ideas struck a mixture of

11、 fear and excitement into peoples hearts.in whichin 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。宾语从句宾语从句_定语从句定语从句strike into ones heart:strike into ones heart:使刻骨铭心使刻骨铭心他的话使我深感恐惧。His words strike fear/terror into my heart第15页/共29页strike：(过去式_;过去分词 _)1).He fell,striking his head on th

12、e edge of the table._ 2).The area was struck by an outbreak of cholera._ 3).They struck for better working conditions._ 4).The clock has just struck three._ 5)strike a match_ 译:1)Strike while 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，爆发罢工报时，敲响划，擦火柴趁热打铁It struck me how we could

13、 improve the situation.It strikes sb that某人突然想起第16页/共29页2.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 disappeared from the earth,like dinosaurs,can possibly _ through cloning.From time to timeFrom time to timebe brought back to lifebe brought back to lifefrom time

14、 to time有时,间或,偶尔,=occasionally,now and then,at times My uncle comes to have dinner with us _.from time to time第17页/共29页区别:bring sth back to life(vt.)使复生;使恢复生气come back to life(vi.)苏醒过来；恢复健康come to life (vi.)变得更有趣；更活跃第18页/共29页And anyway he was dead.Nobody could_ 总之，他已经死了。没有人能使他复活。Watered in time，the

15、dying plant_ 及时浇水，那枯萎的植物恢复了生命/活力。The match finally_in the second half.比赛在下半场终于精彩起来。bring him back to life.came back to life.came to life第19页/共29页3.All efforts of cloning an animal will be _if there is not _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 vainvain:adj.

16、徒劳的徒劳的尝试/努力 vain attempt/effort enough diversity第20页/共29页 in vain 徒劳;白费力气;枉费心机我们的所有努力都付之东流了。All our efforts _.我想带苏一起来，但没成功。I _ to come with us.我极力劝说她放弃，但是枉费口舌。I _.were in vaintried in vain to get Suetried in vain to persuade her to give it up第21页/共29页4.The advantage is that if there is a new illness

17、 some of these animals may die,but others will survive and _ the ability _ that disease to the next generation.pass on pass on to resistto resist_表语从句表语从句其优点是，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。第22页/共29页 resist vt._抵抗；对抗resist sth.抵制；阻挡某事resist doing sth.反对/抵制做某事cant resist doing sth=cant help do

18、ing sth 忍不住做某事 He couldnt resist showing off his new car.n.resistance 抵制，抵抗 adj.resistant 抵制的，抵抗的 她忍不住吃甜食。结果体重又增加了。She _ _ _ sweet food.Consequently,her weight was gained again.cant resist eating第23页/共29页Practice:课文佳句仿写 1.【原句】The advantage is that if there is a new illness some of these animals may

19、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 that if you bought a poorly made g

20、oods 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.第24页/共29页【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 opportunit

21、y of enjoying the fresh air and calmness of the morning,but not everybody think it a regrettable thing.第25页/共29页2.【原句】Based on what we know now,you cannot clone animals that have been extinct 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。模仿要点 句子结构：V-ed+what引导的宾语从句，+主句+定语从句【模仿1】根据调查所示，我们可以更好地理

22、解我们对大自然所做的一切。_Based on what was shown on the survey,we can make a better understanding about the thing that we have done to nature.第26页/共29页【模仿2】根据我们所读到的，我们可以得出结论是人类该对环境污染负责。_Based on what weve read,we can make a conclusion that it is human beings that are to blame for the pollution of the environment.第27页/共29页1.Write a composition about whether the dinosaurs should be cloned and hand in tomorrow.2.Summarize this unit.3.Prepare the grammar:the Appositive Homework第28页/共29页感谢您的观看！第29页/共29页