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1、人教课标高二选修8Unit2Unit2CloningLanguagepoints1.differvi.different,difference常见的结构有：differfrom...与……不同differin…在……方面不同differwithsb.on/about/oversth.与某人在某事上意见不同重点词汇【点拨】a.用作“不同”解时，只接介词from。b.有不同意见，表示异议时接from与with均可。c.表示在某方面不同时，用介词in。【拓展延伸】differencen.差别differentadj.不同的bedifferentfro
2、m与……不同makea(no)difference有（没有）区分；有（没有）重要关系Itmakesnodifferencetosb.对……没关系【典型例题】ThoughtsofOriental(东方人)differmuch____westernersinanumberofways.betweenB.betweenthoseC.fromD.fromthoseof【答案】D考查differ的用法【点拨】此处应该用指代的词，结构和thoughtsof一样，但用those代替用适当的介词填空。(1)I’msorrytodiffer____you____
3、___thematter.(2)Thecustomsherediffer____thoseofthesouth.(3)Thetwogirlsdiffer__language.(4)Therearemanydifferences________livinginthecityandlivinginthecountryside.fromon/overfrominbetween2.Itisadifficulttasktoundertake.undertakevt.观察示例:Theprocedureisdifficulttoundertake,ofcou
4、rse.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。Thelawyerundertookanewcase.那个律师接了一个新的案子。undertake是及物动词,主要有两个义项:着手做,从事,进行;担任,承担,答应,同意。归纳拓展：完成下列句子。(1)Hewill__________________nextmonth(去旅行).(2)He____________
5、________(承担一项新任务).undertooktasknewaaundertakejourney3.objectv.objectionn.观察示例:Ontheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.另一方面,多莉的出现引来了巨大的反对激发了传媒的热炒和公众的想像力。vi.不赞成,反对n.物品,目标[派生词]objectionn.不赞成,反对[常用搭配]objecttosth./d
6、oingsth.反对(做)某事objecttosb.反对某人objectthat…反对……have/take/makeanobjectionto(doing)sth.对……表示反对raiseanobjectionto(doing)sth.对……提出异议归纳拓展：object作不及物动词时后接介词to或against;作及物动词时可接that引导的从句。objection是名词,常与have,take,feel等连用构成词组：haveobjectiontotakeobjectiontofeelobjectionto句型转换(1)Haveyouan
7、yobjectiontomyopeningthewindow?=Wouldyou________myopeningthewindow?objectto(2)takeobjectiontosmoking.=I________smoking.(3)“Butheistooyoung,”sheargued.=She________thathewastooyoung.objecttoobjected4.Althoughatpresenthumaneggcellsandembryosneededforcloningresearcharedifficultt
8、oobtain.obtainvt.观察示例:Meanwhileyouwillobtainalotofinformation.同时你将获得大量的知识。S
