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 cloning?Give
2、 reasons.I think the writer is impartial because he/she does not state any personal opinion about cloning.Discussion【Preview】单词拼写,写出英语单词。1._ n.&vt.order;control2._ n.&vt.要求,请求3._ adv.really;as an actual fact4._ vt.辨认出；承认；公认 commandrequestactuallyrecognize.重点词汇：根据提示写出相应单词。1_(vi.)不同；相异_(adj.)不同的_(n.)差
3、异，区别2_(adj.)商业的；贸易的_(n.)商业，贸易3_(vt.)着手；从事；承担_(过去式)_(过去分词)4_(vt.)扔；投；掷_(过去式)_(过去分词)differdifferentdifferencecommercialcommerceundertakeundertookundertakencastcastcast5_(n.)改正；修正；纠正_(vt.)6_(vi.)反对，不赞成_(n.)7_(n.)媒介；手段；工具_(pl.)8_(vt.)禁止；不准_(过去式)_(过去分词)9_(vt.)积累；聚积_(n.)correctioncorrectobjectobjectionmed
4、iummediaforbidforbade/forbadforbiddenaccumulateaccumulation1.pay _ 得到好结果；取得成功；偿清2._ down 沮丧；不愉快3._ to 反对；不赞成4.in _ of 支持；赞成5.be _ to do.一定或注定做6._.into ones heart 使刻骨铭心7.from _ to time 不时；偶尔8.bring _ to life 使复生；使复活9.in _ 白费力气；枉费心机10.in good/poor _ 状况好/坏；情况好/坏II.重点词组offcastobjectfavourboundstriketime
5、backvaincondition【Language Points】.重点单词 1.differ vi.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.两人一组,观察图片并讨论哪些是自然无性繁殖,哪些是人工的。想想它们的区别。【拓展】differ是不及物动词,主要有两个意思：“不同,相异；不同意,意见相左”。常见的搭配有：1)sb.differ from/with sb.on
6、/about sth.;2)sth.and sth.differ in;3)sth.differ from sth.【即学即练】用介词 from,with,on,about,upon 或 in 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;undertak
7、en)着手做,从事,进行;担任,承担;答应,同意The procedure is difficult _,of course.当然,这个过程很难实施。The scientist_ the experiment.科学家从事这项实验。I can _the responsibility for the changes.我可以承担这些变革的责任。The lawyer _a new case.那个律师接了一个新的案子。to undertake undertakes undertake undertook3.disturbing adj.令人不安的Then came the disturbing news
8、 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。The news from the front is very disturbing.来自前线的消息令人极为不安。【拓展】vt.扰乱,使不安,弄乱 adj.被扰乱的,动乱的,不安的 adj.令人不安的disturbeddisturbingdisturbdisturbeddisturb用disturb,disturbing,disturbed填空。(1)Im very _ about Alice.(2)Dont _ the papers on my desk.(3)This coun
9、try is in a _ state.(4)What _ news it is!(5)A light wind _ the surface of the water.disturbingdisturbingdisturbed【即学即练】【点津】现在分词表示:令人怎么样过去分词表示:被/使得怎么样,感到怎么样。4.forbid vt.(forbade,forbad;forbidden)禁止；不准Governments became nervous and many forbaderesearch into human cloning.政府开始感到不安,有许多政府禁止对人类克隆的研究。Smoki
10、ng should be forbidden in public places.公共场所应禁止吸烟。Her father forbids her to go out alone.她父亲不许她单独外出。I forbid you entering my study.我不许你进入我的书房。【拓展】(doing)sth.sb.to do sth.sb.(doing)sth.thatforbid 是不及物动词,常见的搭配有：forbid完成下列句子(1)The school _(禁止学生吸烟).(2)He is forbidden to _(进入这个房间).【即学即练】forbids the stude
11、nts to smokeenter the room5.cast down使失望；使沮丧（常用于被动语态或作表语）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在年老的羊身上。Dont be so cast down.Just keep up your spirits.不要这么沮丧,打起精神来！将下列句子译成英语(1)听到这个消息他很沮丧。_(2)发现事情的真相使他很沮丧。_He was
12、 cast down to hear the news.Finding out the truth made him cast down.【即学即练】6.pay off (事业、计划等)取得成功；付清薪水并解雇；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 He paid off the crew of the ship.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。用介词b
13、ack,off,to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 _ for all your kindness？(4)Well，after these years，weve at last paid _ all our debts.offtobackoff【即学即练】7.in favour of 赞成;支持；有利于
14、；主张I am in favour of stopping work now.我赞成现在停止工作。in sbs favour 对某人有利do sb.a favour/do a favour for sb.帮某人忙do sb.the favour to do sth.=do sb.a favour by doing sth.帮助某人做某事favour vt.赞同；支持;长得像The child favours his father with his brown eyes.这个孩子棕色的眼睛像他的父亲。“支持，赞同某人/某事”除了用in favour of sb./sth.之外；还可以用：be f
15、or sb./sth.;stand for sth.等。be against sb./sth.表示“不支持，不赞同某人/某事”。【拓展】【即学即练】将下列句子译成英语(1)法院作了有利于老人的判决。_(2)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。当时间副词now,then位于句首，谓语是come,appear等表
16、示“出现”一类的动词时，主句用全部倒装语序。Now comes your turn.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】9.The fact that she seemed to develop normally was very encouraging.多莉看来是在正常地成长着,这很令人鼓舞。“that she seemed
17、to develop normally”是同位语从句。为了保持句子的平衡,同位语从句还可以放在动词的后面。如:Soon word came that we won.课文概述：根据课文内容填空，每空限填一词。Cloning is a 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 thesu
18、ccessful cloning of Dolly.However,Dolly becameseriously ill,which made the cloning scientists cast down 5，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 Dollys
19、appearance,which had a great impact on the media.And some governments became nervous and 8 and began 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 foun
20、d by the scientists whether cloning is harmful or helpful to human beings.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 was built 200 years ago.2.For a teacher to hit a c
21、hild is not just m_ wrong but also illegal.3.The treatment wont cure herit m_ stops the pain.4.No one o_ when the manager said it was time to go home.5.Every servant will r_ from his position at the age of 60.xactlyorallyerelybjectedetire单词拼写6.I cant_(保证)that you will make a profit.7.The law _（禁止）th
22、e sale of cigarettes to people under the age of 16.8.We have worked out a new set of _（程序）for using this machine.9.These profits are based on the _（假设）that prices will continue to rise.10.The next best solution is to abandon the project _(完全地).undertakeforbidsproceduresassumptionaltogetherHomework1.Review all the new words and expressions.2.Finish the exercises on the exercise books.3.Prepare for the next class.Books are the ever-burning lamps of accumulated wisdom.书籍是积累智慧的明灯。
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