1、高考资源网（） 您身边的高考专家2014-2015学年高中英语（重庆精品）同步教案第4课时：Unit 2 Cloning人教新课标选修8）Period Using Language(教师用书独具)教学目标(1)掌握本学案中所给出的词汇，能够理解并能熟练运用。(2)理解课文。(3)听懂课文中所给出的听力材料。(4)写一篇简单的辩论报告。教学地位本课时的内容是一篇有关“恐龙的回归”的阅读材料，讲述了人类自开始认真进行克隆动物研究以来一直想要克隆已经绝种的动物，并指出克隆绝种动物的条件，从而得出结论：恐龙的出生仅仅是个梦想。(教师用书独具)新课导入建议克隆那些早已灭绝的动物一直是人类的梦想，很多电影
2、制片人已经在文学方面做出了想象，我们真的能克隆它们吗？那么我们就通过对本文的学习，进一步了解这方面的问题。教学流程设计检查上节课所布置作业。导入新课。学生快速阅读课文(见课本第15页)并根据学案所设置的问题做出判断。学生共同讨论。师生统一答案。让学生再次仔细阅读课文，并完成学案中“语篇理解”部分(见学案第32页)。学生就学案中的问题相互交换意见。老师指导学生统一答案。学生完成“要点讲练”部分(见学案第32页)。学生共同讨论，并让学生发表各自见解，最后统一答案。学生完成“情景交际”部分(见学案第36页)。自我评估(见学案第37页)；课本第18页Summing up。学生完成“写作提升”部分(见学
3、案第36页)。老师指导学生共同找出答案。讲解本单元交际话题，并从高考命题角度来分析本交际话题。让学生做“课时作业”。老师布置作业：让学生课下做“单元归纳提升”部分。(见学案第37页)和Workbook 第 55 页Using words and Expressions第1、2、3题 。第56 页Using structures第1、2、3题。.判断正误阅读P15课文，判断正误1The possibility of cloning fierce and extinct wild animals has come true at last.()2It is possible to clone so
4、me extinct animals like dinosaurs for film makers.()3If we have the perfect DNA of some animals，we may be able to clone this kind of animals.()【答案】13F F T. 语篇理解阅读P15课文，选择最佳答案1The writer of the text _.Ais excited by the possibility of cloning fierce and extinct animalsBbelieves that extinct animals c
5、an be brought back to life by cloningCthinks it impossible or unsuitable to clone extinct animals like dinosaurs2The film Jurassic Park is popular because _.Apeople are interested in the subject of cloningBall the actors are dinosaursCits director is a scientist who clones dinosaurs3The reasons why
6、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 it to overcome illnessesCthe illness is a new one4We can infer from the text that _.Ascientists are experimenting to clone dinosaursBdinosaurs
7、will never return to the earthCcloned animals will only live in the zoo【答案】14 C A C B1strike.into ones heart使刻骨铭心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 heart
8、s.(教材P15)在侏罗纪公园这部电影中，有一位科学家克隆了好几种不同的绝种恐龙。类似的电影很受欢迎，证明了这一种想法使人们感到既恐惧又兴奋。The tsunami struck fear into the peoples hearts of the tsunamihit countries.这场海啸使得受灾国家的人民胆战心惊。The word “cancer”still strikes terror into many peoples hearts.“癌症”这个词仍然使很多人感到恐惧。11111111111111111111be struck by被打动/袭击/侵袭It strikes sb
9、.that.某人突然想起be/go on strike罢工striker n罢工的人striking adj.引人注意的I was struck by the beauty of the West Lake.我被西湖的美景迷住了。The bus drivers are still on strike.公交车司机仍然在罢工。A good idea struck me as I was reading the newspaper.我在看报时突然想起了一个好主意。It struck/occurred to me that we might have made the wrong decision.我
10、突然想到我们可能作了错误的决定。beat/hit/strikebeat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beat。strike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”。His car hit a tree by the road and he was hit by a falling branch.他的车撞到了路边的树上，他被一坠落的树枝击中。The rain was beating against the window at the time.当时雨不停地砸在窗户上。【教师备课资源】表示“突然想到”的常用表达：
11、It strikes/hits sb.从句某人突然想起It occurs to sb.that. 某人突然想起A good idea strikes/hits/occurs to sb.某人突然想起了一个好主意an idea/thought rush through sb.某人突然想起某事用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】hit/strikestruckbeating完成句子The TV pl
12、ay _(使得观众永远记住这场事故)【答案】struck the accident into the audiences hearts2From_time_to_time people suggest that extinct animals like dinosaurs，can possibly be brought_back_to_life through cloning.(教材P15)有人不时建议，像恐龙那样已灭绝的动物可能会通过克隆使之复生。(1)from time to time有时；偶尔；不时He comes to school on foot from time to time.
13、他有时步行来上学。He only comes to the company from time to time.他只是偶尔到公司来。at one time从前(某个时候)；曾经；一度at a time每次；依次；逐一at all time总是；永远in no time很快；立刻at no time在任何时候都不；决不(用于句首，常用部分倒装)in time及时；迟早；过了一段时间They learned to accept their stepmother in time.过了一段时间之后他们学会了接受他们的继母。完成句子他只是偶尔到公司来。He only comes to the compa
14、ny _.不要一起说，一个一个的来。Dont speak all together.Each _.一听到敲门声，他马上去开门。As soon as he heard a knock，he answered it _.我从未同意过这项计划。_ did I agree to the plan.【答案】from time to timeat a timein no timeAt no time(2)bring back to life使复生；使复活The girl was brought back to life by the doctors and nurses.医生和护士使这位女孩活过来了。Al
15、though the doctors did everything they could，they werent able to bring him back to life.尽管医生尽了全力，但还是不能使他苏醒过来。bring back使回忆；归还bring down 打垮；降低bring forward 提前；提出；拨快bring in 引进；赚得bring about造成，引起The story brought back my childhood.这个故事使我回忆起我的童年。单项填空It is reported that the Israeli scientists have_a see
16、d of more than 2,000 years back to life recently.AsentBbroughtCgiven Dcome【解析】句意：据报道，以色列科学家最近使一粒2 000多年前的种子发芽了。bring.back to life使复苏。send和give与句意不符；come back to life为固定短语，意为“复活，苏醒”。【答案】B3in 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
17、 overcome illnesses.(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。They tried in vain to persuade her to go.他们极力劝说她去，但枉费了一番口舌。in common 有共同处；共有；共用in need 缺衣少食的；在贫困中的in order有秩序地；妥当，适宜in public公开地in place在适当的位置单项填空His efforts to raise money for his program were_because no one showed any intention t
18、o take a cent out of their pockets.Ain place Bin sightCin effect Din vain【解析】句意：他为他的项目筹集资金的努力付诸东流了，因为没有一个人愿意从自己腰包里掏出一分钱。in place在适当的位置，准备就绪；in sight在视线内可以看见；in effect生效，起作用；in vain徒劳地。【答案】D完成句子警察企图驱散抗议的人群，但没有成功。The police tried_to break up the protest crowds.【答案】in vain4Diversity in a group means ha
19、ving animals with_their_genes_arranged_in_different_ways.群体的多样性是指这群动物的基因要以不同的方式排列。with their genes arranged in different ways为“with复合宾语”结构，在句中作定语，修饰animals。其中genes与arrange存在动宾关系，故arrange用过去分词形式。They cant move into the new house with it being painted.由于新房正在粉刷，他们无法搬进去。He left with the work half done.他
20、工作干了一半走了。with复合结构的构成：with宾语(n./pron.)宾补With all the work finished，she has time to go shopping.所有工作都完成了，她有时间去购物了。I cant go out with all these dishes to wash.所有这些盘子都要洗，所以，我不能出去了。With him helping us，we found our way easily.因为他的帮助，我们很容易就找到了路。【对接高考】(2012辽宁高考)The old couple often take a walk after supper
21、in the park with their pet dog _ them.Ato followBfollowingCfollowed Dfollows【解析】考查with的复合结构。with的宾语后面可加形容词、副词、分词、不定式或名词等作宾补，此处pet dog与follow构成主动关系，所以用following。不定式表示动作尚未发生，故排除A。【答案】B完成句子_ (由于急需一些书)，she hurried to the book store._(由于那么多的医生和护士在他周围)，the sick boy didnt feel lonely at all.【答案】With some b
22、ooks badly neededWith so many doctors and nurses around him5resist vt.对抗；抵抗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 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
23、这种免疫力传给下一代。He was charged with resisting arrest.他被控拒捕。A healthy body can resist disease.健康的身体能抵御疾病。 resist sb./sth.抵抗/抵制某人/某物resist doing sth.抵制干某事resistance n抗拒；反对resistant adj.抵抗的；有抵抗力的be resistant to对有抵抗力I was unable to resist laughing.我忍不住笑了。There has been a lot of resistance to this plan.反对这个计划
24、的人很多。单项填空The employee resisted_for no reason.Ato fire Bto be firedCfiring Dbeing fired【解析】句意：雇员抵制毫无原因的被解雇。resist后接doing作宾语，并且the employee和fire之间是被动关系，故选D。【答案】D完成句子她忍不住嘲笑他穿的那些衣服。She couldnt _ him in those clothes.【答案】resist laughing at6in good/poor condition状况很好/坏The dodo became extinct fairly recent
25、ly so its DNA is still in good condition.(教材P17)渡渡鸟是最近才灭绝的，因此它的DNA还保存完好。He was obviously in good condition.他的身体显然很健康。After several years，the car is in poor condition.仅仅几年后，这车的状况就很差了。out of condition健康状况欠佳on condition(that). 在条件下；倘若on no condition 一点也不；决不on this/that condition 在这个/那个条件下working/living
26、/studying conditions 工作/生活/学习环境Ill come on condition that John is invited too.如果约翰也受到邀请，我就来。On no condition shall we give in.我们决不会屈服。【提示】on no condition置于句首，句子要用部分倒装。condition 作“居住、工作、做事情或生长的环境”讲时，常用复数conditions。完成句子他体重超重，健康状况不佳。He is overweight and _.这辆汽车损坏严重，状况很坏。The car is badly damaged and _.你可以
27、借这本书，条件是不要把它借给别人。You can borrow the book，_ you do not lend it to anyone else.【答案】out of conditionin poor conditionon condition that7adore vt.崇拜；爱慕；喜爱It would make an ideal pet for a family and children will adore it.(教材P17)对一个家庭来说它会是一个理想的宠物，并且孩子们会很喜欢它。Though we are in awe of Mr.Zhang，we adore him.尽管
28、我们敬畏张老师，但很崇拜他。I simply adore that dress!我简直太喜欢那件连衣裙了！adore sth./doing sth.非常喜爱adoration n热爱，爱慕；敬慕，崇拜adoring adj.热爱的，爱慕的；崇拜的adorable adj.可爱的，讨人喜爱的She adores going to the theater.她喜欢看戏。He gazed at her with pure adoration.他一往情深地注视着她。【提示】adore不用于进行时。【教师备课资源】常见的作“喜欢”讲的五个词语气由强到弱的顺序为：admireadoreenjoybe fon
29、d oflike。单项填空She wants to find a job in the kindergarten because she _working with children.Aadores BadmiresCdreams Davoids【解析】句意：她想在幼儿园找一份工作，因为她喜欢和孩子们在一起。adore崇拜，爱慕，喜爱；admire赞美，钦佩，羡慕；dream做梦，梦见；avoid避免，消除。【答案】A完成句子学生因为李老师教得好而敬重她。The students _ Miss Li _ her teaching well.【答案】adore；for表示“接受与拒绝，表扬与鼓励
30、(Acceptance and refusal；praise and encouragement)”常用表达有：Acceptance and refusal接受与拒绝1Im happy to accept.我很乐意接受What do you think of the idea?你觉得这个观点怎么样？Im happy to accept it.我很乐意接受它。2I support.because.因为我支持Do you like the decision?你喜欢这个决定吗？I support it because I think it is reasonable.我支持这个决定，因为我认为它是合
31、理的。3Id like to agree with you but.我同意你的观点，但是Do you agree with me?你同意我的观点吗？Id like to agree with you but I have some advice for you.我同意你的观点，但是我有些建议。Praise and encouragement表扬与鼓励1Well done！干得好！I have finished my homework.我完成作业了。Well done！干得好！2Thats a great idea.好主意。Why not go shopping？为什么不去购物呢？Thats a
32、 great idea.好主意。1(2013山东高考)This is a really lively party.Theres a great atmosphere，isnt there?_.The hosts know how to host a party.ADont worry BYes，indeedCNo，there isnt DIt all depends【解析】句意：“这确实是一个热闹的聚会。这里的气氛真好，是吧？”“是的，确实是。主人知道如何举办一个聚会。”由题干中的关键信息“主人知道如何举办一个聚会”可知下句说话人赞同上句说话人所说的话，故选“Yes，indeed”。Dont
33、worry.意为“别担心”；No，there isnt.意为“不，不是”；It all depends.意为“看情况而定”，均不符合句意。【答案】B2(2013新课标全国卷)Im sorry I made a mistake!_. Nobody is perfect.ATake your timeBYoure rightCWhatever you say DTake it easy【解析】题干的意思是：“对不起，我犯了一个错误！”“_。没有人是完美的。”通过答句“没有人是完美的”我们可以判断所填部分应该是对对方的安慰。take your time“别着急；慢慢来”，用来提醒别人不用太匆忙；yo
34、ure right“你是正确的”；whatever you say“你说了算；随便你；怎么样都行”；take it easy是“轻松对待某事”的意思，可译为“没什么；放轻松；慢慢来”，用来劝慰别人，所以正确答案为D。【答案】D如何写辩论报告(An argument)这类文章要求用一定的理由来说明自己对事物或问题的见解，属于议论文的范畴。写作时要注意以下几点：1要注意支持论点的论据的逻辑性及实用性。2要言简意赅，明确表达自己的观点。3注意摆事实讲道理，切忌空泛无物。其写作内容主要包括：1要交代在何时何地进行了一次辩论，辩论的焦点是什么？2陈述正方的理由，常常用be in favour of，st
35、and on the side of等短语。3陈述反方的理由，常常用be against等短语。4发表自己的观点，常常用on one side.；on the other side.；Personally，I.或As far as I am concerned，.等。常用句型1We had a heated discussion about.2Opinions about.are divided.3Different people hold different ideas/opinions.4People have taken/adopted different attitudes towar
36、ds.5.hold the opinion that.6.be in favour of the idea that.7People who are for/against the idea think that.8Some people believe that.，but others argue that.9Firstly.Secondly.Thirdly.10In my opinion.11As far as I am concerned.假如你是李明，你班同学最近参加了某报组织的一场讨论。讨论的主题是：要不要克隆人类。请你根据下表所提供的信息，给报社编辑投稿，客观介绍讨论的情况。40%
37、的学生认为：30%的学生认为：1.克隆人非常有意义2.能使世界变得更加有趣，给人们带来更多的欢乐3.可以克隆一些著名科学家，让他们为人类做更多的事情1.不能克隆人类2.每个人都是很特别的，被克隆的人只不过是复制品罢了3.克隆人可能被坏人利用你的观点：1.现在还很难说克隆人类是对还是不对2.也许我们只得等待注意：1.信的开头和结尾已为你写好；2词数：100左右。Dear editor，Recently we have had a discussion on whether we should clone humans._ _Yours sincerely，Li Ming思路点拨本篇作文可以从以下
38、几个方面入手：首先提出议题；第二给出论据；最后得出结论。词汇热身1有意义的 _2欢乐 _3复制品 _4而且_5在我看来 _【答案】1.meaningful2.pleasure3.copy4.whats more5.as far as I am concerned句式温习1克隆人非常有意义。Cloning humans is very _.2它能使世界变得更加有趣，给人们带来更多的快乐。It can _ more interesting and give people _.3我们可以克隆一些著名科学家，让他们为人类做更多的事情。We can _ and let them do more thin
39、gs _.4现在很难说克隆人类是对还是不对。_ right now to say _ cloning humans is right or not.【答案】1.meaningful2.make the world；more pleasure 3clone some famous scientists；for humans4.Its difficult；whether 连句成篇_【参考范文】Dear_editor，Recently_we_have_had_a_discussion_on_whether_we_should_clone_humans.40 percent of the studen
40、ts think cloning humans is very meaningful.It can make the world more interesting and give people more pleasure.We can clone some famous scientists and let them do more things for humans.30 percent of the students think we cant clone humans.Each of us is special，but a cloned person is only a copy.Whats worse，cloned people may be used by some bad persons.As far as I am concerned，it is difficult right now to say whether cloning humans is right or not.Perhaps we will just have to wait and see.Yours_sincerely，Li_Ming.- 16 - 版权所有高考资源网
