1、Unit 2 CloningPeriod 2 Language Study整体设计教学内容分析The emphasis of this period will be placed on the important new words，phrases and sentence patterns in Warming Up，Prereading，Reading，Comprehending and Discovering useful words and expressions in Learning about Language.There are altogether 44 new words
2、and phrases in these five parts.8 of them are marked with triangles，which shows that the students neednt learn them by heart.It is enough to recognize them when meeting them while reading the passage.The other 36 should all be remembered，among which the following words and expressions are even more
3、important：straightforward，cast down，altogether，in favour of，compulsory，owe ，retire，differ，undertake ，pay off，object ，objection，obtain，forbid.They are all very useful and important.We ought to pay more attention to them.三维目标设计Knowledge and skillsTo get the students to learn to use the following impor
4、tant new words and phrases freely： straightforward，cast down，altogether，in favour of，compulsory，owe ，retire，differ，undertake ，pay off，object，objection，obtain，forbid.Process and methods1To help the students understand the meanings of the above useful new words and expressions in the context，and then
5、give some explanations about them，and at last offer some exercises to make students master their usages.2At the end of the class，make students do more exercises for consolidation.In doing so，they can learn，grasp and use these important language points well.Emotion，attitude and value1To stimulate stu
6、dents interest in learning English.2To develop students sense of cooperation and teamwork.教学重点、难点1Important new words and expressions：differ，undertake ，pay off，object ，objection，obtain，forbid.2Some difficult and long sentences in the text.教学过程Step 1 Revision1Check the homework exercises.2Ask some st
7、udents to talk about cloning.Step 2 Reading and findingGet students to read through Warming Up，Prereading， Reading，Comprehending and Discovering useful words and expressions in Learning about Language to underline all the new words and useful expressions or collocations in these parts.Read them alou
8、d and copy them down in the exercise book.Step 3 Exercises for useful words and expressions1Turn to Page 13.Go through the exercises in Discovering useful words and expressions with students and make sure they know what to do.2Give them several minutes to finish the exercises.They first do them indi
9、vidually，and then discuss and check them with their partners.3Check the answers with the whole class and explain the problems they meet where necessary.Step 4 Vocabulary study简单知识扫描（A 级）1straightforward（P11 ）【原句再现】Cloning plants is straightforward while cloning animals is very complicated.克隆植物简单，而克隆
10、动物很复杂。【观察探究】（1）Installing the program is relatively straightforward.安装这个程序相对比较简单。（2）The report was written in straightforward language.那个报告是用浅显的文字写成的。（3）My father is straightforward in his dealings.我爸爸做买卖（待人）正直。（4）Is this a straightforward route to the beach？这是到海滩去的直道吗？【归纳总结】straightforward adj.简单的，
11、易懂的；坦诚的，坦率的；直的【知识链接】（1）straightforwardly adv .率直地，坦诚地（2）straightforwardness n.率直【即景活用】翻译下列句子（1）Id like to listen to a straightforward explanation._（2）Jack is rough，but always straightforward._（3）She admired his straightforwardness._Suggested answers：（1）我愿意听率直的解释。（2）杰克很粗野，但却总是很坦诚。（3）她很欣赏他的率直。2cast do
12、wn（P12 ）【原句再现】Cloning scientists were cast_down to find that Dollys illnesses were more appropriate to a much older animal.研究克隆的科学家发现多莉得的病更容易发生在年老的羊身上，这让他们很沮丧。【观察探究】（1）She was much cast down at the news that she failed in the exam.听到考试失利的消息她非常沮丧。（2）He is not easily cast down.很少见他情绪低落。（3）Dont let you
13、rself be cast down by a small failure in the experiment；try again.别为了实验中的小小失败而垂头丧气，再试下去。【归纳总结】cast down 沮丧，不愉快（多用于被动语态）【知识链接】cast v “扔；投；掷”。如：He cast a stone into the river.他向河中投了一块石子。【即景活用】翻译下列句子（1）不要这么沮丧，打起精神来！_（2）听到这个消息他很沮丧。_Suggested answers：（1）Dont be so cast down.Just keep up your spirits.（2）H
14、e was cast down to hear the news.3altogether（ P12）【原句再现】Altogether Dolly lived six and a half years.多莉总共活了 6 年半【观察探究】（1）You owe me $68 altogether.你总共欠我 68 美元。（2）I am altogether on your side in this matter.在这个问题上我完全支持你。（3）Altogether，exports are looking up.总的说来，出口贸易在好转。【归纳总结】altogether adv.总共；完全地；总的说来
15、，总而言之【知识链接】（1）for altogether 永久地；一劳永逸地（2）altogether ，all together 和 together 辨析altogether adv.“总共，完全地；总之，总而言之” 。如：He bought altogether 500 hectares of land.他总共买了五百公顷土地。all together“同时，在一起”，指“ 全部在同一地方或同一时间”。如：Can you put your books all together in this box?你能将你的书全部一起放在这个箱子里吗？together adv.“在一起，共同地 ”。如
16、：All his trouble seemed to come together.他所有的麻烦似乎都一起来了。【即景活用】（1）Hes badtempered，selfish and _ an unpopular man.Atherefore Baltogether C otherwise D anyhow（2）Youd better put the plates _ after supper.Aaltogether Bin all Cin total Dall together（3）An expert，_ with some assistants ，was sent to help in t
17、his work.Atogether Baltogether Call together DthereforeSuggested answers：（1）B （2）D （3）A4in favour of（P12 ）【原句再现】Is it in_favour_of cloning or against it？是支持克隆还是反对？【观察探究】（1）I have told her about our plan，and she is in favour of it.我对她讲了我们的计划，她表示赞同。（2）Most citizens are now in favour of a cut in tax.绝大
18、多数市民赞成减税。（3）There were 247 votes in favour and 152 against.有 247 票赞成，152 票反对。【归纳总结】in favour（of）赞成；支持【知识链接】（1）in sb.s favour “对某人有利的（地） ”。如：The exchange rate is in our favour at the moment.目前汇率对我们有利。（2）in favour with sb.“受某人支持”。如：Shes not in favour with the media just now.目前她没有媒体的支持。（3）do sb.a favou
19、r do a favour for sb.“帮某人忙”。如：Could you do me a favour to pick up Sam from school today?今天你能帮我个忙去学校接萨姆吗？【即景活用】（1）公众舆论正在强烈支持裁军。Public opinion was moving strongly _ disarmament.（2）你会赞成还是反对他的意见？Are you _ or _ his opinion?（3）他们争论的结果对李先生有利。The result of their discussion was _.Suggested answers：（1）in favo
20、ur of （2）in favour of，against （3）in Mr.Lis favour5compulsory（P13）【原句再现】According to the constitution， it is compulsory for a citizen to undertake military service.根据宪法规定，服兵役是公民的一项义务。【观察探究】（1）I think it is compulsory.我认为这是非做不可的。（2）Education is compulsory for children in most countries.多数国家对儿童实施义务教育。（
21、3）Is English a compulsory subject？英语是必修科目吗？【归纳总结】compulsory adj.必须做的；义务的；强制的；强迫的；必修的【即景活用】（1）我国实行义务兵役制。We have a _ military service system in our country.（2）英国实行义务教育。_ in Britain.Suggested answers：（1）compulsory （2）Education is compulsory6owe（P13）【原句再现】You owe the lady an apology.你欠这位女士一个道歉。【观察探究】（1）
22、I owe the landlord one hundred dollars.（ I owe one hundred dollars to the landlord.）我欠房东一百美元。（2）We owe to Newton the principle of gravitation.我们全靠牛顿才知道引力的原理。【归纳总结】owe vt.欠（债、账、钱、人情等） ；归功于【即景活用】你应该给自己安排个假期。You _ _a holiday.Suggested answer：owe yourself7retire （P13）【原句再现】.when he retired he would be a
23、ble to look back on his life with satisfaction.当他退休的时候，他能够满意地回顾自己的生活。【观察探究】（1）Mr.Weller retired last month and now lives at his ease.韦勒先生上个月退休了，现在过着悠闲的生活。（2）The general retired as soon as he reached sixty.那位将军一到六十岁就退役了。（3）She retired to the country.她退隐到乡下去了。【归纳总结】retire vi.退休；退役；隐退【即景活用】我爷爷是一位退休工人。M
24、y grandpa is a _ _.Suggested answer：retired worker重点知识探究（B 级）1differ（P10）【原句再现】Think about how they differ.考虑一下它们有什么不同。【观察探究】（1）Customs differ in different countries.各国风俗不同。（2）We differ about the matter.我们在这件事情上意见不同。（3）I am sorry to say that I differ with you about/on/over that.对不起，在那一点上我与你意见不同。（4）H
25、is opinion differs entirely from mine.他的意见和我的完全不同。【归纳总结】differ vi.不同，相异，不同意，持不同看法differ（with sb.）about /on/over sth.（与某人）在某方面意见不同differ from 与 不同【知识链接】（1）agree to differ 求同存异（2）difference n.不同，差异 make a difference 起作用；发生影响（3）different adj.不同的，不一样的 be different from 与不同【即景活用】（1）完成句子My new school is v
26、ery _ _（与不同） the old one.In this respect French _ _（与不同） English.There are many _（不同） between the two languages.There was not really much _（不同） in their points of view.（2）选择最佳答案Leaves are found on all kinds of trees，but they differ greatly _ size and shape.Aon Bfrom Cby DinSuggested answers：（1） diff
27、erent from differs from differences difference（2）D2undertake（ P11）【原句再现】It is a difficult task to undertake.那干起来是一件困难的工作。【观察探究】（1）She undertook the organization of the whole scheme.她负责整个计划的组织工作。（2）Who do you think is the right person to undertake the post?你认为谁是担任这个职位的合适人选？（3）He undertook to be here
28、at ten oclock.他答应十点钟到这儿来。【归纳总结】undertake vi.（undertook，undertaken）着手，从事；负责，承担；答应，承诺undertake to do sth.答应/承诺做某事【知识链接】undertaking n.任务；事业；企业【即景活用】完成句子（1）She herself _（承担）the preparation of the room.（2）He undertook _ at five. （他答应五点钟到这里来。 ）Suggested answers：（1）undertook （2）to be here3pay off（P11）【原句再现
29、】But at last the determination and patience of the scientists paid_off in 1996 with a breakthroughthe cloning of Dolly the sheep.但是，决心和耐心使科学家们最终于 1996 年收获了突破性的结果克隆羊“多莉”。【观察探究】（1）John studied hard before the examination，and it paid off.约翰考试前学习很刻苦，这得到了回报。（2）It took them three years to pay off their de
30、bts.他们用了 3 年才还清了债务。【归纳总结】pay off 得到好结果，取得成功；偿清【知识链接】（1）pay for “为付钱；为付出代价”。如：If you dont work hard now，youll pay for it later when you fail your exams.你现在不好好学习，到考试不及格时就得为此付出代价。（2）pay back 偿还，报复（3）pay out 花费；支出（4）pay up（不情愿地）付清；还清（债务）【即景活用】（1）He worked hard before the College Entrance Examination，and
31、 it _.His dream of going to college came true.Ashowed off Bpaid off Cput off Dtook off（2）He borrowed $1000 from the bank and was given ten months to _the loan.Apay back Bpay for Cpay off Dpay in（3）翻译：Ill pay him back for treating me like that._Suggested answers：（1）B （2）A （3）他那么对待我，我会报复他的。4objection（
32、P12 ）【原句再现】On the other hand，Dollys appearance raised a storm of objections.另一方面，多莉羊的出现引起了强烈的反对【观察探究】（1）I have/take/make no objection to their plan.我不反对他们的计划。（2）No objections were raised at the time.当时没人提出异议。【归纳总结】objection n.反对，不赞成have/take/make an objection to（doing ）sth.对表示反对raise an objection/ob
33、jections to sth.对提出异议【知识链接】（1）object vi.意为“不赞成，反对”。object 常与介词 to 连用，构成短语 object to（doing）sth.意为“ 反对（做）某事 ”。如：No one objected to the plan.没有人反对这项计划。We objected to leaving in such a hurry.我们反对这样匆忙地离开。The students objected to being treated like children.学生们反对像对待孩子似地对待他们。（2）object 还可用作名词，意为“物体，物品；目的；目标
34、；宾语”。如：I saw an object in the sky，but I didnt know what it was.我看见天空中有个物体，可是我不知道它是什么。I only want to buy some common household objects here.我只是想在这儿买些普通家庭用品。His object of studying English is to know more about England and the English people.他学习英语的目的是更多地了解英国和英国人民。Her sole object in life is to become a
35、travel writer.她人生的唯一目标就是当游记作家。（3）表示“反对，不赞成” 的词语还有：oppose，be opposed to，be against，argue against， disapprove 等。【即景活用】（1）Many teachers strongly object to _ at school.Asmoke Bsmoking Csmoked Dhaving smoked（2）We _ to punishing a whole group for one persons fault.Acomplain Bobject Coppose DresistSuggeste
36、d answers：（1）B （2）B5obtain （P12）【原句再现】Although at present human egg cells and embryos needed for cloning research are difficult to obtain， newspapers wrote of evil leaders hoping to clone themselves to attain their ambitions.尽管目前克隆研究所需要的人类卵细胞和胚胎很难获得，但据报载，有些罪恶的领导人希望克隆自己以实现他们的野心。【观察探究】（1）She has to ob
37、tain her parents permission before she does anything.她在做任何事情之前必须得到父母的允许。（2）The scientists wished to obtain the firsthand information by talking with the farmers.科学家们希望通过和农民交谈得到第一手资料。（3）Details can be obtained from the Department for Education.可以从教育部获知详情。【归纳总结】obtain vt.获得；赢得obtain sth.by doing sth.通
38、过做某事获取某物obtain sth.from sb./sth.从某人/物处获得/获取某物【知识链接】obtain， attain，get，gain，earn，win 辨析。（1）obtain vt.应用范围较广，指经过买、借、拿等“ 获得，得到 ”某物。含有“ 如期地达到目的或得到所希望的东西”之意。如：He always manages to obtain what he wants.他总是设法得到他想要的东西。（2）attain vt.指经过努力“ 获得” 。如：Leo Ioacoco attained the position of President of the Ford Moto
39、rs.李雅科卡终于当上了福特汽车公司的总裁。（3）get vt.最常用，可指主动去“获得，得到”，有时指不一定需要主动性或付出很大努力就能“得到 ”，甚至可能是被迫“ 接受”。如：Did they get any compensation when they were dismissed from their jobs?他们被解雇时有没有得到赔偿费？She got a bad cold yesterday.她昨天得了重感冒。（4）gain vt.指通过斗争、竞争或付出劳动而获得某种优势或达到某种目的。其宾语通常是经验、优势、利益、好处等。如：She gained rich experience
40、 in teaching.她获得了丰富的教学经验。Only after ten years in the country did she gain her citizenship.她在这个国家住了十年后才取得了公民身份。（5）earn vt.表示经过艰苦努力而得到报酬，或得到了理应享有的某种待遇，其宾语多为金钱、荣誉等。如：He earns wages of 800 dollars a month.他月薪八百美元。（6）win v多指在竞赛中“获得，赢得” ，有时也用于指在战争中 “获得” 胜利，宾语通常是比赛、战斗、战争等。如：They won the basketball match.他们
41、打赢了这场篮球赛。【即景活用】No one can _ great achievements unless he concentrates on what he is doing，even though a talent.Aattain Battract Capply DobtainSuggested answer：A6forbid（P12）【原句再现】Some began to reform their legal systems and forbade research into human cloning.一些国家开始修改法律体系，禁止克隆人的研究【观察探究】（1）The governm
42、ent forbade the meeting.政府禁止举行这次会议。（2）His parents forbid him wine.他的父母不准他喝酒。（3）The law forbids smoking in public buildings.法律禁止在公共场所吸烟。（4）The teacher forbade us to leave our seats.老师不允许我们离开座位。（5）Women are forbidden from going out without a veil in that country.在那个国家，妇女不戴面纱禁止外出。（6）Its forbidden to ma
43、rry someone who is not a member of the same faith.禁止与宗教信仰不同的人结婚。【归纳总结】forbid（forbade；forbidden）vt.禁止；不准forbid sth.禁止某事forbid sb.sth.禁止某人干某事forbid doing sth.禁止干某事forbid sb.to do sth.禁止某人干某事forbid sb.from doing.禁止某人做Its forbidden to do sth.做某事是被禁止的【知识链接】forbid 后面接动名词作宾语，但接不定式作宾语补足语，类似的动词还有：consider，ad
44、vise，allow ，permit 等。【即景活用】（1）To spend a pleasant festival，people _ off fireworks during the last Spring Festival.Adidnt forbid to set Bwere not forbidden to setCdidnt forbid setting Dwere not forbidden setting（2）他禁止在办公时间吸烟。_Suggested answers：（1）B （2）He forbade smoking in the office.Step 5 Using wor
45、ds and expressionsTurn to Page 55.Ask students to do the exercises in Using Words and Expressions in the Workbook.The following procedures may be followed：1Go through the three exercises with students and make sure they know what to do.2Several minutes for students to finish them individually.3Check the answers with the whole class.Step 6 Homework1Finish off the Workbook exercises.Do Exercise 3 in your exercise book.2Learn the useful new words and expressions by heart.Step 7 Reflection after teaching_
