选修8Unit2-Using Language- readingPPT精品文档

1、.1.2Enjoy an episode of Jurassic Park .3Questions:Why is this movie popular?Is it possible to clone Dinosaurs?Listen to the tapeJurassic Park .4The 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

2、by cloningC. thinks it impossible or unsuitable to clone extinct animals like dinosaurs D. dreams of dinosaurs returning to the earth主旨大意主旨大意.5Fast ReadingMatch the main idea with each paragraph.Para1 explain the impossibility of cloning dinosaurs Para2 conclude that its just a dreamPara3 introduce

3、the topic of the passage.6 A. Supportive. B. Neutral (中立的中立的). C. Negative (否定的否定的). D. Subjective(主观的主观的).objective客观的客观的, positive肯定的肯定的 optimistic乐观的乐观的 pessimistic悲观的悲观的critical持批评态度的持批评态度的 cautious谨慎的谨慎的 indifferent冷漠的冷漠的 What is the writers attitude towards cloning the dinosaurs?.7Part 1 chose

4、 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 dinosaurs D. it proves very interesting.82. Which of the following is true? A. Mice were cloned

5、 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. .9Part2 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 f

6、or the cloned extinct animals.Reasonsdiversitysuitable habitatDNA.10Advantage of diversityNot enough 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 re

7、sist 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.11_The chance of dinosaurs returning to the earth is _.merely a dreamConclusionPara3.12 We can infer from the text that_ A. scientists are experimenting to clone d

8、inosaursB. dinosaurs will never return to the earthC. cloned animals will only live in the zooD. the DNA of dinosaurs can only survive 10 000 year推理判断推理判断.13True or False The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning.2. If we can clone

9、any extinct animals, we should let them live in a zoo.FF.14should the dinosaurs be cloned?The introduction The reasons for the impossibility of cloning dinosaurs The conclusionsummary.15Key words, phrases and sentences.16 1.The popularity of the film such as Jurassic Park, _ a scientist clones sever

10、al different kinds of extinct dinosaurs, proves how ideas struck a mixture of fear and excitement into peoples hearts.在电影在电影侏罗纪公园侏罗纪公园中，一位科学家克隆了几种中，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。法使人们感到既兴奋又恐惧。他的话使我深感恐惧。他的话使我深感恐惧。His words strike fear/terror into my heart.17strike：

11、(过去式过去式_;过去分词过去分词 _) 1). He fell, striking his head on the edge of the table. _ 2). The area was struck by an outbreak of cholera. _ 3). They struck for better working conditions._ 4). The clock has just struck three. _ 5) strike a match_ 译译:1) Strike while the iron is hot. _ 2) 我突然想到我们如何能改善局面了。我突然想

12、到我们如何能改善局面了。 _struckstruck碰，撞，打碰，撞，打（灾难，疾病等）侵袭，爆发（灾难，疾病等）侵袭，爆发罢工罢工报时，敲响报时，敲响划，擦火柴划，擦火柴趁热打铁趁热打铁It struck me how we could improve the situation. It strikes sb that某人突然想起某人突然想起.182. 不时地会有人提议，克隆技术将有可能使地球上已经不时地会有人提议，克隆技术将有可能使地球上已经灭绝的动物灭绝的动物(如恐龙如恐龙)复活。复活。_ people suggest that the animals that have disappe

13、ared from the earth, like dinosaurs, can possibly _ through cloning.from time to time有时有时, 间或间或, 偶尔偶尔,= occasionally, now and then, at times My uncle comes to have dinner with us _.from time to time.19区别区别: bring sth back to life (vt.)使复生使复生; 使使恢复生气恢复生气come back to life (vi.) 苏醒过来；恢复健康苏醒过来；恢复健康come

14、to life (vi.) 变得更有趣；更活跃变得更有趣；更活跃.20 And anyway he was dead. Nobody could_ 总之，他已经死了。没有人能总之，他已经死了。没有人能使他复活。使他复活。 Watered in time， the dying plant_ 及时浇水，那及时浇水，那枯萎的植物恢复了生命枯萎的植物恢复了生命/活力。活力。 The match finally_in the second half. 比赛在下半场终于精彩起来。比赛在下半场终于精彩起来。bring him back to life.came back to life.came to li

15、fe.213.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以战胜疾病，那么克隆这种动物的所有努力都将是无用的。努力都将是无用的。vain: adj. 徒劳的徒劳的徒劳的尝试徒劳的尝试/努力努力 vain attempt/effort enough diversity.22 in vain 徒劳徒劳; 白费力气白费力气;枉费心机枉费心机我们的所有努力都付

16、之东流了。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。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。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.234. The advantage is that if there is a new illness some of these animals may die, but others will s

17、urvive and _ the ability _ that disease to the next generation. 其优点是，如果发生了某种新的疾病，这类动物中的一其优点是，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。些可能会死去，而另外一些却能存活下来。.24 resist vt. _抵抗；对抗抵抗；对抗resist sth. 抵制；阻挡某事抵制；阻挡某事resist doing sth. 反对反对/抵制做某事抵制做某事cant resist doing sth = cant help doing sth 忍不住做某事忍不住做某事 He could

18、nt resist showing off his new car. n. resistance 抵制，抵抗抵制，抵抗 adj. resistant 抵制的，抵抗的抵制的，抵抗的 她忍不住吃甜食。结果体重又增加了。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.25Practice:课文佳句仿写课文佳句仿写 1.【原句】【原句】The advantage is that if there is a new illness some of the

19、se animals may die, but others will survive and pass on the ability to resist that disease to the next generation. 其优点是其优点是,如果发生了某种新的疾病，这类动物可能会死去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。而另外一些却能存活下来，并且把这种抗疫力传给下一代。模仿要点模仿要点 句子结构：句子结构：表语从句表语从句+条件句条件句, 【模仿【模仿1】网上购物的弊端是，如果你在网上买了质量差的】网上购物的弊端是，如果你在网上

20、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。选。_ The disadvantage of shopping on line is 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.26【模仿【模仿2】早起的优势是，

21、如果我们早起，我们将有】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。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 morning, but not everybody think it a regrettable thing.272.【原句】【原句】Based on what we know now, you cannot clone animals th