2019_2020学年高中英语Unit2Cloningperiod4UsingLanguage课件新人教版选修8.ppt

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1、Period 4Using Language.单句语法填空1Your design sounds _(reason)but is not practical.2Hes _(able)to come to the meeting today due to health problems.3I didnt say that I wanted to buy it but _(mere)asked for the price.4 A new branch of the company is going to open.Meanwhile,the _(decorate)of its main store

2、 has been finished.【答案】1reasonable2unable3merely4decoration.用方框内所给短语的适当形式填空strike into your heart,be bound to,bring back to life,in vain，in good condition1He wanted to be a highly skilled doctor who would be able to _ the dying _.2Grandpa,who has always been _，was suddenly ill,worrying the whole fam

3、ily.3Jane,I think by doing so he is trying to _ terror _.4They tried to keep this experiment from failure,but _.5He _ get punished for his bad deeds.【答案】1bring;back to life2in good condition3strike;into your heart4in vain5is bound to.通读课文，选择最佳选项()1The writer of the text_.Ais excited by the possibili

4、ty of cloning fierce and extinct animalsBbelieves that extinct animals can be brought back to life by cloningCthinks it impossible or unsuitable to clone extinct animals like dinosaursDdreams of dinosaurs returning to the earth()2 The film Jurassic Park is popular because_.Apeople are interested in

5、the subject of cloningBall the actors are dinosaursCit was directed by a scientist who clones dinosaursDit proves very interesting()3Which of the following is TRUE?AMice were cloned in 1981BDolly the sheep was the first cloned animal.CThe name of the cloned cow is“Bison”DChina was successful in clon

6、ing twin calves.()4The reasons why a group of cloned animals all die of the same illness do NOT include_.Athey have the same arrangement of genesBthere isnt enough diversity in the group for them to overcome illnessesCthe illness is a new oneDtheir arrangement of genes cannot resist that new disease

7、【答案】14 CADC.精读课文，回答下列问题1What is the main idea of the second paragraph?_2 What is the writers attitude towards cloning the dinosaurs?_3Why cant you clone the DNA of animals that have been extinct longer than 10,000 years?_【答案】1To explain the impossibility of cloning dinosaurs.2Negative.3Because the D

8、NA of animals more than 10,000 years old cant survive so long.1strike vt.&vi.(struck，struck)打；撞击；罢工；突然想到；打动；迷住；(钟)敲；侵袭 n罢工He struck the table with his fist.他用拳头击打桌子。The coal miners struck for better safety conditions.煤矿工人通过罢工要求改善安全条件。strikeinto ones heart 使刻骨铭心strike sb on/inthe身体部位 敲打某人的身体部位It stri

9、kes sb that某人突然想起be/go on strike 罢工beat强调连续或反复地“打”，因此像心脏跳动、打鼓、打拍子之类连续性或反复性的动作，一般要用beatstrike 常指“猛地一击”hit侧重指有目标的用力“击中”，有时也指“打一下”指出下列句子中strike的含义The strike lasted more than a month before it was settled._The stone struck him in the eye._Ive struck on a plan for solving the problem._Snowstorms often st

10、rike that area in winter._用strike，beat或hit的正确形式填空Fortunately，the stone failed to_him.He_a match and lighted a candle.My heart was_fast.【答案】罢工击中突然想起袭击hit/strikestruckbeating2from time to time不时，偶尔We get letters from our uncle from time to time.我们不时收到叔叔的来信。I only go to the cinema from time to time.我只是

11、偶尔去看看电影。(1)“偶尔”的其他表达：sometimes,at times,now and then,occasionally,once in a while,every now and then(2)at one time 从前(某个时候)；曾经；一度at a time 每次；一次for the time being 暂时in no time 很快；立刻at no time 在任何时候都不；决不in time 及时；迟早；过了一段时间用合适的词填空I am staying at a friends house _the time being.Hold the ladder tightly

12、 and move up a rung at _time.完成句子她隔三差五地去照顾她的奶奶。She goes to take care of her grandmother _.我从没告诉过你，你可以这样做。At no time _that you could do it like this.【答案】forafrom time to timedid I tell you3bring back to life使复生；使复活It is impossible to bring a dead person back to life.让一个人死而复生是不可能的。(1)bring sb/sth to l

13、ife 使更有趣、更生动；给以活力；使苏醒come to life变得活跃；变得有趣；苏醒过来come back to life 复活；苏醒；复苏devote ones life to(doing)sth把一生奉献给live/lead a/anlife过着生活(2)bring about引起；导致bring back归还；使回忆bring down使倒下；减少；降低(价格、水平)等bring in引进；引入；赚得bring up抚养；提出；呕吐用合适的词填空They brought the drowned swimmer back _ life.He left her to bring _th

14、ree young children on her own.句型转换The accident resulted form his carelessness.His carelessness _ _/_ _ the accident.完成句子The party_ _ _(活跃起来)when he told us the funny story.【答 案】to up brought about/led tocame to life4resist vt.抵抗；对抗；抵制；忍耐He is in good health；he is able to resist diseases.他身体健康，能抵抗疾病。

15、Chocolates make me fat but I cant resist them.巧克力使我发胖，但是我克制不了，还是吃。resist(doing)sth抵制(做)某事cant/couldnt resist doing sthcant/couldnt help doing sth禁不住干某事resistance n.抗拒；反对；抵抗力resistant adj.抵抗的；有抵抗力的be resistant to 对有抵抗力 单句语法填空When he was caught,he put up a strong _(resist)完成句子当她看到那个年轻人的时候，她忍不住笑了起来。She

16、 _ when she saw that young man.【答案】resistancecouldnt resist laughing5in good/poor condition状况很好(坏)；情况很好(坏)The house was in poor condition.这所房子状况不佳。My car is old but in good condition.我的车虽旧，但状况良好。on condition that 在的条件下；倘若in condition 健康状况好；保存得好out of condition 健康状况不好；保存得不好on this/that condition 在这个/

17、那个条件下on no condition无论如何都不(置于句首，句子部分倒装)condition表示“条件；疾病”时为可数名词；表示“健康状况；可使用状况”时为不可数名词；表示“形势；环境”时多用复数形式。句型转换This equipment should on no condition be used by untrained staff.On on condition _ _ _ _ _ by untrained staff.完成句子饲养员说大熊猫的状态良好。Keepers said the pandas_.他们同意借车给我们，条件是周末以前归还。They agreed to lend u

18、s the car _ we returned it before the weekend.【答案】should this equipment be usedwere in good conditionon condition thatIt would be unfair to clone any extinct animals if they were to live in a zoo.如果只能生活在动物园里，那么克隆任何灭绝动物都是不公平的。本本句句是是虚虚拟拟条条件件句句，且且表表示示的的是是与与将将来来事事实相反的假设。实相反的假设。虚拟条件句在不同虚拟条件下，主从句谓语形式一览表：虚

19、拟情况从句谓语形式主句谓语形式与现在事实相反一般过去时(be动词通常用were)would/should/could/might动词原形与过去事实相反过去完成时would/should/could/mighthave done与将来事实相反一般过去时或were to动词原形或should动词原形would/should/could/might动词原形If it were to be fine tomorrow，I would go shopping with my friends.如果明天天气好，我将和朋友们一起去购物。若条件从句中含有were，had，should等，可将if去掉，并把wer

20、e，should或had提到主语前。语法填空_(be)there no modern telecommunications，we would have to wait for weeks to get news from around the world.Had I known about this computer program,a huge amount of time and energy _(save)This printer is of good quality.If it _(break)down within the first year,we would repair it

21、at our expense.We _(be)back in the hotel now if you didnt lose the map.【答 案】Were would have been savedshould break/broke/were to breakwould be一、话题词汇in terms of 从角度 contribute to solving the problem of有助于问题的解决现代科学现代科学a sound attitude 正确的态度medical breakthrough 医学上的突破heated discussion 热烈的讨论object to 反对

22、have an effect/impact/influence on 对有影响二、话题句式1 The cloning is a remarkable breakthrough in bioengineering.克隆是生物工程学方面的伟大突破。2Human cloning should be banned.克隆人应该被禁止。3The success of animals cloning has injected new hopes into the efforts of finding cures to many incurable diseases.克隆动物的成功给人们致力于找到不治之症治愈

23、办法的工作注入了新的希望。三、书面表达最近有科学家宣布他们已经成功的克隆了第一例人类的胚胎，此举引发了人们的极大争议与广泛关注。你们班级的同学也就此进行了激烈的讨论。请你根据下表所示的信息，将讨论结果以信件形式告之你的朋友，并表达自己的观点。注意：词数120左右(开头和结尾已给出，不记入总词数)。话题：Human cloning:To be or not to be？观点及支持率35%：procloning65%：anticloning理由1克隆人可分担工作；2可以利用克隆人的器官治病。1克隆人是不道德的；2克隆人可能不受我们控制；3使人口剧增，造成社会问题。自己的观点【写作指导】这封信的内容

24、是一篇议论文，采用第一人称和第三人称，时态为一般现在时为主。内容结构为：首先提出话题；然后是赞同克隆人的观点及理由；其次是反对克隆的观点及理由；最后是表达作者的观点。在表达过程中应选用合适的连接词或过渡词，使文章具有一定的连贯性。同时尽量采用多种表达方式，灵活简练地表述要点。35%of the students are favor of procloning,since the cloned humans can share our duties and burdens，1_(例如),replacing us to complete the homework.And we can make u

25、se of the organs of the cloned humans 2_(来帮助一些病人)While the others argue that human cloning is immoral.Cloning can even increase the population,therefore it will 3_(导致许多社会问题)The cloned humans are also humans and we are likely to lose control of them.So why should we get ourselves in trouble?As far as

26、 Im concerned,Im in complete agreement with human cloning.After all,scientists have been challenging questions of morality for centuries.Why should we stop them now?But we have to make sure that were cloning humans with the intention of 4_(有益于人类)Whats your opinion?Write to tell me soon.Yours，Jack【答案

27、】1for example2to help some patients3cause many social problems4benefiting humans五、写作练笔今天我们班同学讨论了有关克隆的问题。同学们热烈发表了评论和表达了自己的看法。他们主要有两种不同的意见：反对和支持。请发挥你的想象，简单表达反对和支持的理由，并说出你的个人意见。词数：100左右，开头部分已给出，不计入总词数。2严禁克隆人：strictly forbid human cloningToday,our classmates had a heated discussion about cloning and opi

28、nions are divided on the question._【答案】One possible version：Today,our classmates had a heated discussion about cloning and opinions are divided on the question.Some are in favor of cloning but others against.Those who are for the research say it can lead to advances in medicine.They believe that it

29、could help reproduce endangered animals all over the world and even extinct species,dinosaurs,for example.However,those who oppose cloning think its morally wrong.By cloning,some people might do something illegal,which will bring about a disaster in the future.Personally speaking,I approve of cloning only if it is placed under strict control.On one hand,we should spare no effort to strengthen the management of the clone technology.On the other hand,we should strictly forbid human cloning.Only when we are all careful about the matter can we benefit a great deal from cloning.