人教版高中英语选修8 Unit2 Cloning ReadingII优质课件

1、Unit 2 CloningReading ()1. To grasp the main idea and more details. 2. To improve the ability to analyze the long and difficult sentences.3. To arouse the interest in development of science and technology.1.What do you think is the writers view in this reading passage? 2.Whats your opinion of clonin

2、g? Give reasons.I think the writer is impartial because he /she does not state any personal opinion about cloning.Discussion【Preview】 单词拼写单词拼写, 写出英语单词。写出英语单词。1. _ n.& vt. order; control2. _ n.& vt. 要求要求,请求请求3. _ adv. really; as an actual fact4. _ vt. 辨认出；承认；公认辨认出；承认；公认 command requestactuall

3、yrecognize .重点词汇：重点词汇：根据提示写出相应单词。根据提示写出相应单词。1 1_(_(vivi.).)不同；相异不同；相异_(_(adjadj.).)不同不同的的_(_(n n.).)差异，区别差异，区别2 2_(_(adjadj.).)商业的；贸易的商业的；贸易的_(_(n n.).)商业，贸易商业，贸易3 3_(_(vtvt.).)着手；从事；承担着手；从事；承担_( (过去式过去式)_()_(过去分词过去分词) )4 4_(_(vtvt.) .) 扔；投；掷扔；投；掷_(_(过去式过去式) )_(_(过去分词过去分词) )differdifferentdifference

4、commercialcommerceundertakeundertookundertakencastcastcast5 5_(_(n n.).)改正；修正；纠正改正；修正；纠正_(_(vtvt.).)6 6_(_(vivi.) .) 反对，不赞成反对，不赞成_(_(n n.).)7 7_(_(n n.).)媒介；手段；工具媒介；手段；工具_(_(plpl.).)8 8_(_(vtvt.).)禁止；不准禁止；不准_(_(过去过去式式)_()_(过去分词过去分词) )9 9_(_(vtvt.).)积累；聚积积累；聚积_(_(n n.).)correctioncorrectobjectobjecti

5、onmediummediaforbidforbade/forbadforbiddenaccumulateaccumulation1. pay _ 得到好结果；取得成功；偿清得到好结果；取得成功；偿清2. _ down 沮丧；不愉快沮丧；不愉快3. _ to 反对；不赞成反对；不赞成4. in _ of 支持；赞成支持；赞成5. be _ to do . 一定或注定做一定或注定做6. _ .into ones heart 使使刻骨铭心刻骨铭心7. from _ to time 不时；偶尔不时；偶尔 8. bring _ to life 使复生；使复活使复生；使复活9. in _ 白费力气；枉费心

6、机白费力气；枉费心机10. in good/poor _ 状况好状况好/坏；情况好坏；情况好/坏坏II.II.重点词组重点词组offcastobjectfavourboundstriketimebackvaincondition【Language Points】 .重点单词重点单词 1. differ vi.不同，相异不同，相异In pairs, look at these pictures and discuss which ones are natural clones and which ones are man-made. Think about how they differ.两人一

7、组两人一组, 观察图片并讨论哪些是自然无性繁殖观察图片并讨论哪些是自然无性繁殖, 哪些哪些是人工的。想想它们的区别是人工的。想想它们的区别。 【拓展拓展】differ是不及物动词是不及物动词, 主要有两个意思：主要有两个意思：“不同不同, 相异；相异；不同意不同意, 意见相左意见相左”。常见的搭配有：。常见的搭配有：1) sb. differ from/with sb. on/about sth.; 2) sth. and sth. differ in ;3) sth. differ from sth .【即学即练即学即练】用介词用介词 from, with, on, about, upon

8、或或 in 填空。填空。(1)We differ _ him _ that question.(2) The two nations differ _ culture and religion. (3) The climate here differs _ that of the South.from/withon/about/uponinfrom/with 2. undertake vt. (undertook; undertaken)着手做着手做, 从事从事, 进行进行; 担任担任, 承担承担;答应答应, 同意同意The procedure is difficult _, of cours

9、e.当然当然, 这个过程很难实施。这个过程很难实施。 The scientist_ the experiment. 科学家从科学家从事这项实验。事这项实验。I can _the responsibility for the changes. 我可以承担这些变革的责任。我可以承担这些变革的责任。 The lawyer _a new case. 那个律师接了一那个律师接了一个新的案子。个新的案子。to undertake undertakes undertake undertook3. disturbing adj. 令人不安的令人不安的Then came the disturbing news

10、that Dolly had become seriously ill.然后传来了多莉得了重病的令人烦恼的消息。然后传来了多莉得了重病的令人烦恼的消息。The news from the front is very disturbing.来自前线的消息令人极为不安。来自前线的消息令人极为不安。【拓展拓展】 vt. 扰乱扰乱, 使不安使不安, 弄乱弄乱 adj. 被扰乱的被扰乱的, 动乱的动乱的, 不安的不安的 adj. 令人不安的令人不安的disturbeddisturbingdisturbdisturbeddisturb用用disturb, disturbing, disturbed填空。填

11、空。(1) Im very _ about Alice.(2) Dont _ the papers on my desk.(3) This country is in a _ state.(4) What _ news it is!(5) A light wind _ the surface of the water. disturbingdisturbingdisturbed【即学即练即学即练】【点津点津】现在分词表示现在分词表示: 令人怎么样令人怎么样过去分词表示过去分词表示: 被被/使得怎么样使得怎么样, 感到怎么样。感到怎么样。 4. forbid vt. (forbade, forb

12、ad; forbidden)禁止；不准禁止；不准Governments became nervous and many forbade research into human cloning. 政府开始感到不安政府开始感到不安, 有许有许多政府禁止对人类克隆的研究。多政府禁止对人类克隆的研究。Smoking should be forbidden in public places.公共场公共场所应禁止吸烟。所应禁止吸烟。 Her father forbids her to go out alone. 她父亲不许她她父亲不许她单独外出。单独外出。 I forbid you entering my

13、 study.我不许你进入我的书我不许你进入我的书房。房。【拓展拓展】 (doing) sth.sb. to do sth.sb. (doing )sth.thatforbid 是不及物动词是不及物动词, 常见的搭配有：常见的搭配有：forbid完成下列句子完成下列句子(1)The school _(禁止学生吸烟禁止学生吸烟).(2) He is forbidden to _(进入这个房间进入这个房间). 【即学即练即学即练】forbids the students to smokeenter the room5. cast down使失望；使沮丧使失望；使沮丧 （常用于被动语态或作（常用于被

14、动语态或作表语）表语） Cloning scientists were cast down to find that Dollys illnesses were more appropriate to a much older animal.克隆科学家沮丧地发现多莉的病更容易发生克隆科学家沮丧地发现多莉的病更容易发生在年老的羊身上。在年老的羊身上。 Dont be so cast down. Just keep up your spirits.不要这么沮丧不要这么沮丧, 打起精神来！打起精神来！将下列句子译成英语将下列句子译成英语(1) 听到这个消息他很沮丧。听到这个消息他很沮丧。_(2) 发

15、现事情的真相使他很沮丧。发现事情的真相使他很沮丧。_He was cast down to hear the news.Finding out the truth made him cast down.【即学即练即学即练】6. pay off (事业、计划等事业、计划等) 取得成功；付清薪水并解雇；取得成功；付清薪水并解雇；偿清（债务等）偿清（债务等）At last the determination and patience of the scientists paid off 最终科学家们的决心和耐心得到了回报最终科学家们的决心和耐心得到了回报 He paid off the crew o

16、f the ship. 他付清全体船员的工资并将他们解雇。他付清全体船员的工资并将他们解雇。In the end he paid off all his debts. 最终他还清了所有的债务。最终他还清了所有的债务。用介词用介词back, off, to填空填空:(1) Your effort is sure to pay_. Thank you for your encouragement.(2)The supermarket _ which he had ever paid a visit， was burnt to the ground.(3)How can I pay you _ fo

17、r all your kindness？(4)Well， after these years， weve at last paid _ all our debts. offtobackoff【即学即练即学即练】7. in favour of 赞成赞成;支持；有利于；主张支持；有利于；主张I am in favour of stopping work now. 我赞成现在停止我赞成现在停止工作。工作。in sbs favour 对某人有利对某人有利do sb. a favour /do a favour for sb. 帮某人忙帮某人忙do sb. the favour to do sth.=d

18、o sb. a favour by doing sth.帮助某人做某事帮助某人做某事favour vt. 赞同；支持赞同；支持;长得像长得像The child favours his father with his brown eyes. 这个这个孩子棕色的眼睛像他的父亲。孩子棕色的眼睛像他的父亲。 “支持，赞同某人支持，赞同某人/某事某事”除了用除了用in favour of sb./sth.之之外；还可以用：外；还可以用：be for sb./sth.; stand for sth.等。等。be against sb./sth.表示表示“不支持，不赞同某人不支持，不赞同某人/某事某事”。

19、【拓展拓展】 【即学即练即学即练】将下列句子译成英语将下列句子译成英语(1) 法院作了有利于老人的判决。法院作了有利于老人的判决。_(2) 他赞成这项计划吗？他赞成这项计划吗？_The court decided in favour of the old man.Is he in favour of the plan?8. Then came the disturbing news that Dolly had become seriously ill.接着传来了多莉病重的坏消息。接着传来了多莉病重的坏消息。当时间副词当时间副词now, then位于句首，谓语是位于句首，谓语是come, ap

20、pear等表示等表示“出现出现”一类的动词时，主句用全部倒装语一类的动词时，主句用全部倒装语序。序。Now comes your turn. 现在轮到你了。现在轮到你了。In the dark forests _, some large enough to hold several English towns. A. stand many lakes B. lie many lakesC. many lakes lie D. many lakes stand【即学即练即学即练】9. The fact that she seemed to develop normally was very en

21、couraging. 多莉看来是在正常地成长着多莉看来是在正常地成长着, 这很令人鼓舞。这很令人鼓舞。“that she seemed to develop normally”是同位语是同位语从句。从句。为了保持句子的平衡为了保持句子的平衡, 同位语从句还可以放在动同位语从句还可以放在动词的后面。词的后面。如如: Soon word came that we won. 10. Diversity in a group means having animals with their genes arranged in different ways.群中的多样群中的多样性指的是拥有基因排列方式不同

22、的动物。性指的是拥有基因排列方式不同的动物。.with their genes arranged in different ways引导引导的句子作的句子作_。状语状语 _（表状态）（表状态） 副词副词 现在分词（表主动）现在分词（表主动） _（表被动）（表被动） 不定式（表不定式（表_）with结构在句中作定语或状语。结构在句中作定语或状语。Dont sleep with the windows open.别开着窗户睡觉。别开着窗户睡觉。The room was dark with all the lights off. 电灯都熄灭了，房间里漆黑一片。电灯都熄灭了，房间里漆黑一片。 with

23、 +n. /pron.+形容词形容词介词短语介词短语过去分词过去分词将来将来【即学即练即学即练】（1）All the morning he worked_(锁着门锁着门).（2）_(冬天来了冬天来了),its time to buy warm clothes.（3）I cant go out_(因为所有这些餐具都要清洗因为所有这些餐具都要清洗).with the door lockedWith winter coming onwith all these dishes to wash课文概述：根据课文内容填空，每空限填一词。课文概述：根据课文内容填空，每空限填一词。 Cloning is a

24、way of making a(n) 1 copy of anotheranimal or plant. Cloning plants is 2 while cloninganimals is very complicated, which is very hard to 3 .But the scientists made a(n) 4 in 1996, with thesuccessful cloning of Dolly. However, Dolly becameseriously ill, which made the cloning scientists cast down 5 ，

25、Dolly lived six and a half years. Sadly, the same 6 fate affected other species. And scientists were concerned about making correction in their research procedure. A storm of 7 was raised by Dolly s appearance, which had a great impact on the media. And some governments became nervous and 8 and bega

26、n to reform their legal system and 9 research into human cloning, while othercountries continued to 10 evidence of the abundant medical aid that cloning could provide. However, it still remains to be found by the scientists whether cloning is harmful or helpful to human beings.答案答案:1.exact 2.straightforward 3.undertake 4.breakthrough 5.altogether 6.arbitrary 7.objections 8.conservative 9.forbade 10.accumulate1. The small town looks e_ as it did when it w