新课标人教版选修八Book8 Unit2 Language points

Unit2Cloning---LanguagePoints•Importantphrasesandsentences:•1克隆植物简单，但克隆动物就非常复杂了。•Cloningplantsisstraightforwardwhilecloninganimalsisverycomplicated.•While用法小结：(1)引导时间状语从句,从句中的谓语动词应用延续性动词或表示状态的词。•eg.Whilethediscussionwasstillgoingon,Georgecamein.•当讨论还在进行时,乔治走了进来。•Strikewhiletheironishot.趁热打铁。•(2)引导让步状语从句,多用于句首。意为“尽管,虽然”。•eg.WhileIadmithisgoodpointsIcanseehisbad.•尽管我承认他的长处,但我也看到了他的不足。•Whileheloveshisstudents,heisverystrictwiththem.•虽然他爱他的学生,可是他对他们很严格•(3)While作并列连词用,意思为“而,然而”,表前后意义上的对比或转折。•eg.There’splentyofraininthesoutheast,whilethere'slittleinthenortheast.•东南部雨量充足,而西北部则很少下雨。•Somepeoplewastefoodwhileothershaven'tenough.•有些人浪费粮食,然而有些人却吃不饱。•eg．ShethoughtIwastalkingaboutherdaughter,_______,infact,Iwastalkingaboutmydaughter.•A.whomB.whereC.whichD.while•(4)引导条件状语,意思是“只要”•eg.Whilethereisawill,thereisaway.有志者事竟成•Wecansurelyovercomethesedifficultieswhilewearecloselyunited.只要我们紧密地团结一致,一定能克服这些困难。•(5)while从句中的省略。当while从句中的主语与主句的主语一致,且含有be的某种形式时,从句中的主语连同be可同时省略。•eg.Whilelisteningtotheradio,shefellasleep.•她在听收音机时睡着了。•WhileinLondon,hestudiedmusicandpainting.•在伦敦时,他学习音乐和绘画。•(6)while可用作名词,意为“一会儿;一段时间”•作名词用时,主要用于短语中:afterawhile“过了一会儿”;allthewhile“一直,始终”;ashort/littlewhileago“刚才”;onceinawhile“偶尔、间或”;wait/rest(for)awhile“等/休息一会儿”。•Ihaven’tseenherforalongwhile.•Heusuallygoestoworkbybike,butonceinawhilehegoesbybus.•2它是一件很难完成的任务。•Itisadifficulttasktoundertake•undertake---观察示例:•Theprocedureisdifficulttoundertake,ofcourse.当然,这个过程很难实施。•Thescientistundertakestheexperiment.科学家从事这项实验。•Icanundertaketheresponsibilityforthechanges.我愿意承担这些变革的责任。•即时练习：(1)Hewill__________________nextmonth(去旅行).•(2)He____________________(承担一项新任务).aundertakejourneyundertooktasknewa•3---科学家的决心和耐心最终得到了回报•Butatlastthedeterminationandpatienceofthescientistspaidoff•复习：payoff•①“是值得的，没有白费”•Hiseffortspaidoff（他的努力没有白费）whenthegirlacceptedhisproposal.•②“偿清，还清”•明年此时我的债就要还清了。•I’llhavepaidoffmydebtbythistimenextyear.•4ThencamethedisturbingnewsthatDollybecameseriouslyill.•然后传来了多莉得了重病的令人烦恼的消息。•disturbvt.扰乱,使不安,弄乱;disturbedadj.被扰乱的,动乱的,不安的；•disturbingadj.令人不安的。•用disturb,disturbing,disturbed填空。•(1)I’mvery_disturbed________aboutAlice.•(2)Don’t__disturb___thepapersonmydesk.•(3)Thiscountryisina__disturbing_state.•(4)What_disturbing___newsitis!•5克隆科学家沮丧地发现多莉的病更容易在年老的羊身上。CloningscientistswerecastdowntofindthatDolly'sillnessesweremoreappropriatetoamucholderanimal.复习：castdown使沮丧（常用于被动语态或作表语）•①听到这个消息他很沮丧。•___________________________________•②发现事情的真相使他很沮丧。•_________________________________________•（2）beappropriateto/for适合于---的，适当的•①Beethoven’smusicisappropriatefortheoccasion.(适合这个场合)•②Youshouldwriteitinastylewhichisappropriatetoyoursubject.•(适合你的文章主题)。Hewascastdowntohearthenews.Findingoutthetruthmadehimcastdown.•6Ontheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.•另一方面,多莉的出现引来了一阵强烈的反对，对媒体和公众的想像力也产生了极大的影响。•objection不赞成；反对•拓展：objectvi不赞成，反对objectto反对•1)Doyouhaveanyobjections?你有任何异议吗？•2)What’s____?（你对我的计划有什么异议吗？）•3)I_.（我反对这项计划）•4)Weobjecttobeingtreatedlikethis.我们要抗议受到如此的待遇。•have/makeastrong/greatimpacton….对…有（产生）巨大影响•1)Theanti-smokingcampaign__•youngpeople.（有极大的影响）•2)Thisbook___has/makesastrong/greatimpacton___itsreaders•（这本书对其读者产生了巨大的影响）yourobjectiontomyplanobjecttotheplan/haveanobjectiontotheplanhas/makesastrong/greatimpacton•7Somebegantoreformtheirlegalsystemsandforbaderesearchintohumanbeing.•有些政府开始改革他们的法律制度，禁止进行克隆人的研究。•forbidvt(forbade/forbad,forbidden)禁止；不准•1)Smokingisforbiddenduringtake-off.飞机起飞时禁止吸烟。•2)I___forbidyoutotellanyone/forbidyourtellinganyone_.（我禁止你告诉任何人）•3)Thelaw___forbids(using)fertilizer_.（禁止使用化学肥料）•4)Youare___forbiddentoleave____.（你们都不准离开）•拓展•forbidsth禁止某事•forbiddoingsth.禁止做某事•forbidsb.todosth.禁止某人做某事。•8.Isitinfavorofcloningoragainstit?是赞成克隆还是反对？•infavorof=befor支持；赞成反义词组:beagainst反对•1)We___areallinfavorof/areallfor___yoursuggestion.（我们都赞同你的建议）•2)Somepeople__areinfavorof/arefor__thedeathpenaltywhileothersareagainstit.（有些人赞同死刑，而另一些人反对）•联想拓展insb’sfavor对某人有利•dosb.afavor(=doafavorforsb.)帮某人一个忙•dosb.thefavortodosth(=dosb.afavorbydoingsth.)帮忙做某事•3)Thepresentsituationisintheirfavor.目前的形势对他们有利•4）Canyou____domethefavorto__putthebookback?•（你能帮我这个忙把这本书放回去吗？）•9Dolly’sdeath,likeherbirth,wasboundtoraiseworriesDolly之死，正如它的出世一样，注定要带来焦虑。•beboundto肯定会•Inagroupasbigasthis,youareboundtohavedisagreements.(你一定会遇到不同意见。)•根据汉语提示完成下列句子•1.Thatis__wherewedifferwitheachother_(我们意见不和的地方)•2.Heisnoteasily___castdown_(情绪低落)•3.Thecourt’sdecision__isinhisfavor__(对他有利)sohewasnotworried.•4.Theprocedure___ishardtoundertake_(很难操作)•5.Aboutcloninghumanbeingsreligiousleaders__raisedmoralquestions_(提出了道德方面的质疑)•6I__objecttoyourproject_(反对你的计划)becauseitwillcosttoomuchmoney.•7Modernsciencehasanimpacton(对—有影响)thewholesociety.•8Therewere249votesinfavorof(支持)theplanand123against.•9Hequickly_________________________(积蓄了一大笔财富).•10Youknow,thiskindofthingisboundtohappenoneday.(这种事情迟早会发生的)accumulatedlargefortune•1大多数人支持我的计划但仍有少数人持反对意见。（while）•Themajorityareinfavorofmyprojectwhiletheminorityarestillagainstit.•2他说的更他的所作所为差别很大。（名词性从句）•Whathesaiddifferedgreatlyfromwhathedid.