高中英语Unit2CloningSection3UsingLanguage课件新人教版.ppt

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1、CloningUnit 2 Section Using Language栏目导航课前教材预案课前教材预案课堂深度拓展课堂深度拓展课后限时作业课后限时作业课末随堂演练课末随堂演练.Scan the text and choose the best answer according to the text.1.The writer of the text_ .A.is excited by the possibility of cloning fierce and extinct animalsB.believes that extinct animals can be brought back

2、to life by cloningC.thinks it impossible or unsuitable to clone extinct animals like dinosaurs D.dreams of dinosaurs returning to the earth答案:C课前教材预案课前教材预案2.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

3、 a scientist who clones dinosaursD.it proves very interesting答案:A3.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.答案:D4.The reasons why a group of cloned animal

4、s all die of the same illness do NOT include_ .A.they have the same arrangement of genesB.there isnt enough diversity in the group for it to overcome illnessesC.the illness is a new oneD.their arrangement of genes can not resist that new disease答案:C5.We can infer from the text that.A.scientists are

5、experimenting to clone dinosaursB.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答案:B.Translate the following sentences from English into Chinese.1.The popularity of films such as Jurassic Park,in which a scientist

6、 clones several kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into peoples hearts.答案:答案:在流行电影之一的侏罗纪公园中,一位科学家克隆了几种不同的绝种恐龙,证实了复活恐龙的想法使人们既恐惧又兴奋。2.From time to time people suggest that extinct animals like dinosaurs, can possibly be brought back to life through

7、cloning.答案:答案:不时地会有人提议,克隆技术将有可能使已经消失的动物(如恐龙)复活。3.All efforts of cloning an animal will be in vain if there is not enough diversity in the group to overcome illnesses. 答案:答案:该群体如果没有足够的多样性使它克服疾病,克隆动物的所有努力就没有用。4.Diversity in a group means having animals with their genes arranged in different ways. 答案:答

8、案:群体的多样性指的是拥有基因排列方式不同的动物。Point owe v.欠(账、钱、人情等);归功于课堂深度拓展课堂深度拓展考点一单词点击owe sb.sth.(=owe sth.to sb.) 欠某人某物oweto欠;把归功于owe it to sb.that 归功于某人You owe the lady an apology.(教材P13)你必须向这位女士道歉。Mary will take care of the babyshe owes me a favour.玛丽会照看孩子的她欠我一个人情。He owes his friend 50 pounds.(=He owes 50 pounds

9、 to his friend.)他欠他朋友50英镑。I owe it to you that I am still in perfect health.我身体非常好,这要归功于你。owing to 因为,由于Owing to the heavy rain, Lisa missed the bus.由于下大雨,丽莎错过了汽车。单句语法填空。(1)I owe_to you that I finished my work on time.(2)Was it _(owe) to bad weather that they had to change the schedule of leaving? i

10、t owingPoint bother vt.打扰vi.操心n.烦扰bother sb.about/with sth.为某事打扰或烦扰某人bother with/about (doing) sth.为费心/花费时间、精力bother to do sth.费心/特地做某事it bothers sb.that/to do sth.使某人苦恼的是Dont bother. 不用费心了。put sb.to bother 给某人添乱However, the problem that she later developed a serious lung disease bothered scientists

11、.(教材P14)但是,后来多莉染上严重肺病的问题又使科学家们感到忧虑。Sometimes I act as a listening ear for fellow students to talk over what is bothering them.有时对我的同学来说我充当了听众的角色,以便与他们详细聊一聊正在困扰他们的事情。Im sorry that I have to bother you with/about this problem.对不起,我要因这个问题来麻烦你了。He didnt bother to keep up with the news. His only concern

12、was to study.他不愿操心去了解这个新闻,他唯一关心的就是学习。单句语法填空。(1)You dont bother _(get) dinner for me today; Ill eat out.(2)_ bothers me that my son seems to show no interest in his study.to getItPoint strike vi.& vt.(struck; struck/stricken)打;撞击;罢工;突然想到;打动;迷住;(钟)敲;侵袭 n.罢工(1)strikeinto ones heart使刻骨铭心 strike sb.on/in

13、+the+身体部位 敲打某人的身体部位 It strikes sb.that 某人突然想起 be/go on strike 在/举行罢工(2)striking adj.引人注意的The popularity of films such as Jurassic Park, in which a scientist clones several kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into peoples hearts.(教材P15)在侏罗纪公园这部影片中,有

14、一位科学家克隆了好几种不同的绝种恐龙,类似这样的电影很受欢迎,证明了这一想法使人们既兴奋又恐惧。The death of her father struck sadness into her heart.她父亲的离世给她带来了刻骨铭心的悲伤。It struck me that he left the key on my table.=It occurred to me that he left the key on my table.我突然想起他把钥匙忘在我的桌子上了。We were all struck by the beauty of Mount Huang.我们都被黄山的美丽景色打动了。

15、The workers went on strike for better pay and working conditions.工人们为了取得更好的报酬和工作条件而罢工。单句语法填空。(1)His regret was like a sharp arrow, which struck deeply_ his heart. 解析:解析:strike into ones heart使某人刻骨铭心。(2)It strikes me as odd _ school children are required to come to school two hours before class.解析:解析

16、:句意:我觉得很奇怪,学生被要求在上课前两个小时到校。It strikes sb.that某人突然想起intothatPoint resist vt.抵抗;对抗;抵制;忍耐resist (doing) sth.抵制(干)某事cant resist doing sth./cant help doing sth.忍不住干The advantage is that if there is a new illness some of these animals may die, but others will survive and pass on the ability to resist that

17、 disease to the next generation.(教材P15)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,并且把这种免疫力传给下一代。She can not resist the temptation of chocolate.她无法抗拒巧克力的诱惑 。They resisted desperately and won the battle.他们拼命抵抗,终于打了胜仗。The new clothes in that shop are so beautiful that Anna cannot resist taking a close

18、look at them, although she cannot afford them at present.那家商店里的新衣服那么漂亮,以至于Anna忍不住仔细地看了看,虽然她目前买不起。(1)resistance n.抗拒;反对(2)resistant adj.抵抗的,有抵抗力的be resistant to sth.对有抵抗力Some government officials werent resistant to the temptation of money, and were punished by law in the end.一些政府官员抵制不住金钱的诱惑,最后受到了法律的

19、制裁。单句语法填空。(1)Its southern location and mild climate are not the only reasons why people cant resist _(go) there.解析:解析:句意:人们之所以无法抗拒到那里去,其原因不单单只是它地处南方,而且气候温煦。(2)A healthy person offers more _(resist) to disease than a weak person.goingresistance考点二短语诠释Point (be) bound to (do) 一定或注定(做)Dollys death, lik

20、e her birth, was bound to raise worries.(教材P14)多莉的死亡,像她出生一样,注定要引起人们的忧虑。be bound to sth.受的约束be bound for somewhere 前往某地Youve done so much work that youre bound to pass the exam.你下了这么大工夫,一定能考及格。The new discovery is bound to be of great service to mankind.这项新发现对于人类必定大有用处。They boarded the ship,which was

21、 bound for Canada.他们登上了那艘前往加拿大的船。注意(1)bound用作形容词时,可表示“被捆绑的,被束缚的”,常引申为 “受约束的”,形成短语be bound to sth.(受的约束),to为介词。(2)bound还可作“一定的,必定的”讲,只用作表语,形成短语be bound to do sth.意为“必定,必然,决意”,bound亦作“去,准备去”讲,形成短语be bound for 意为“前往某地”, for表示目的地。单句语法填空。(1)Although we cant say hard work is bound _(be) successful, effort

22、s are never totally in vain. 解析:解析:句意:虽然不能说只要努力就一定会成功,但努力是绝不会完全白费的。(2)When we were together and safe on a ship bound _ North America, that was the best time of my life.解析:解析:句意:当我们一起安安全全地坐上驶往北美洲的轮船时,那是我一生中最美好的时光。to beforPoint bring back to life 使复生;使复活;使恢复生机From time to time people suggest that exti

23、nct animals like dinosaurs, can possibly be brought back to life through cloning.(教材P15)不时会有人提出,克隆技术有可能使地球上像恐龙这种已经灭绝的动物复活。bring back to health 使恢复健康come to life 变得活跃;开始动起来bring about 引起bring in 提出,引入bring up 养育,呕吐bring out 出版,生产,使显现bring down 减少And anyway the man was dead. Nobody could bring him bac

24、k to life.总之,他已经死了。没有人能使他复活。He wanted to be a highly skilled doctor who would be able to bring the dying back to life.他想成为一名能起死回生的神医。I need a doctor to bring me back to life.我需要个医生把我救活。Bill was born in Canada but was brought up in America.比尔出生于加拿大,但在美国长大。单句语法填空。(1)The company was reported to _(bring

25、) back to life after the new manager was in power.单句改错。(2)After a few months repair, the old city was eventually brought back to lives again.have been broughtlifePoint in vain 白费力气;枉费心机All efforts of cloning an animal will be in vain if there is not enough diversity in the group to overcome illnesse

26、s.(教材P15)如果某个动物群体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 I tried to keep back my tears.我怎么也忍不住我的眼泪。Day after day she waited in vain for him to telephone her.日复一日,她徒劳地等待他的电话。My dreams have been in vain,for truth is hard,and dreams,too,have their own ways.我的梦也已落空,因为,现实是冷酷的,而梦也自有主张,独断独行。常见的“in+名词”结构的

27、介词短语:in turn 轮流;反过来in addition另外in advance预先in case万一;以防 in detail详细地in debt欠债 in effect/fact实际上in sight看得见的 in order井然有序in doubt怀疑地,不能肯定地in return作为回报in place在对的位置,在适当的位置单句语法填空。(用“in+名词”结构的短语填空。(1)I sent him a present _ for his help.(2)Before you leave the office,everything should be put _.(3)As lo

28、ng as you have paid _ we wont charge you for delivery.(4)Well discuss the problem later _.in returnin place/orderin advancein detail(5)Write the telephone number down _ you forget.(6)The outcome of the election was _ then.(7)They answered the teachers questions _.(8)It became obvious that all her co

29、mplaints were _.in casein doubtin turnin vainPoint in good/poor condition 状况很好(坏);情况很好(坏)The dodo became extinct fairly recently so its DNA is still in good condition.(教材P17)渡渡鸟刚刚灭绝,因此它的DNA的状况良好。The car has been well maintained and is in good condition.这辆车一直保养得很好,车况极佳。out of condition 健康状况欠佳on condi

30、tion (that)在条件下;倘若under/on no condition 一点也不;决不(放在句首时,用部分倒装语序)on this/that condition 在这个/那个条件下He is overweight and out of condition.他超重了,健康状况不佳。They agreed to lend us the car on condition that we returned it before the weekend.他们同意把车借给我们,条件是我们必须在周末前归还。On no condition should you tell him what happene

31、d.你决不应该告诉他发生了什么事。单句改错。(1)In general, exhibits are in good conditions, although almost all of them need small repairs and the painting. 解析:解析:句意:总体来说,展览品状态良好,尽管这些展览品几乎都需要进行小维修和喷漆。(2)If your hair looks permanently out of the condition it may be an indication of something more serious.解析:解析:句意:如果你的头发长期

32、看起来状态不佳的话,它所反映的问题就有点严重了。condition考点三句型归纳Point “with+宾语宾语+宾补宾补”结构结构Diversity in a group means having animals with their genes arranged in different ways.(教材P15)群体的多样性是指这群动物的基因要以不同的方式排列。点拨:点拨:本句中with their genes arranged in different ways是一个由with引导的复合结构。with后面跟复合结构,常在句中作状语,表示伴随动作、行为方式、原因、条件或结果等情况,其也可以

33、作定语。其结构和意义如下:(1)with+名词/代词+现在分词。其中现在分词表主动或正在进行的动作。His hair became grey with the years passing.(表时间)随着时间的推移,他的头发已变成花白了。The king came in,with all his servants following him.(表方式)国王进来了,身后跟着所有的仆人。(2)with+名词/代词+过去分词。其中过去分词表被动或完成了的动作。With everything bought,he left the market.(表时间)买完了所需要的东西之后,他离开了市场。(3)wit

34、h+名词/代词+不定式。其中不定式表示将要发生的动作。With nothing to do,he went out for a walk.(表原因)由于没有什么事情可做,他便到外面散步。(4)with+名词/代词+形容词。The girl entered the room with her eyes full of tears.(表方式)这个女孩满脸泪水地走进了房间。(5)with+名词/代词+介词短语或副词。He left his room with the light on.(表方式)他离开了房间,灯亮着。说明:说明:with 的这种用法也适应于without,如: He could no

35、t finish it without me to help him.(without+代词 +不定式,表条件)要不是我帮助他,他不能完成。Without anything left in the cupboard,she went out to get something to eat.(without+代词+过去分词,表原因)柜里什么也没有了,所以她出去找吃的了。Possibly this person died without anyone knowing where the coins were hidden.(without+代词+现在分词,表伴随)很可能这个人死了,并且没有人知道他

36、把钱藏哪里了。单句语法填空。(1)With so much homework _(finish), they cant play football this Sunday.(2)The children began to watch TV with the homework _(do).(3)Id like to see the new film with time _.(permit)to finishdonepermittingPoint The advantage is that “其优点是其优点是”The advantage is that if there is a new illn

37、ess some of these animals may die,but others will survive and pass on the ability to resist that disease to the next generation.(教材P15)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,并且把这种抗疫力传给下一代。点拨点拨:本句的主句包含一个that引导的表语从句,The advantage is that意为“其优点是”。类似的结构还有:The chance is that有可能The problem is that问题是T

38、he drawback is that缺点是The advantage is that we know more about medicine today.现在的优势是我们对医学懂得更多了。The chance is that one smoker in four will die from smoking.每四个吸烟者中可能有一人死于吸烟。But the drawback is that the subway is more expensive than the bus.但缺点是乘地铁比坐公共汽车费用要高。单句语法填空。(1)The assumption is _ if just every

39、body does his or her job well, the end result will be good.(2)The patient is in urgent need of the medicine, but the problem is _ we cant get it in such a short time.thatthatPoint 动名词的复合结构动名词的复合结构So the chance of dinosaurs ever returning to the earth is merely a dream.(教材P15)所以说恐龙回归地球的可能性仅仅是个梦想罢了。点拨

40、点拨:dinosaurs ever returning to the earth是动名词的复合结构,dinosaurs是return的逻辑主语。动名词的复合结构构成:名词/名词所有格/形容词性物主代词/人称代词宾格+doing。在句中可以作主语、宾语或表语。The students learning English well will help them to learn French.学生学好英语将对学习法语有帮助。(作主语)Do you mind my closing the window?你介意我关上窗户吗?(作宾语)There are many reasons for animals

41、dying out.动物灭绝的原因有很多。(作介词宾语)What is the most important is Toms going there at once.最重要的是汤姆立刻去那儿。(作表语)【注意注意】 若这一结构放于句首,则只能用名词所有格或形容词性物主代词+doingJohns failing the exam again made the teacher very angry.约翰考试又不及格使老师很生气单句语法填空。(1)She was disturbed by someones _(shout) outside.(2)His _(be) late for class again made his teacher very angry.shoutingbeing

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