2012高考英语人教版一轮复习资料选修8Unit2CloningVIP专享VIP免费

选修8立体设计立体设计··走进新课堂走进新课堂话题1.Naturalclonesandmanmadeclones(自然克隆和人造克隆)2．Thehistoryofcloning(克隆的历史)3．Controversyaboutcloning(有关克隆的辩论)功能1.Praiseandencouragement(表扬与鼓励)2.Acceptanceandrefusal(接受与拒绝)语法RevisetheAppositive(复习同位语)重点单词differ，twin，straightforward，undertake，breakthrough，cast，arbitrary，object，objection，forbid，accumulate，owe，retire，bother，strike，drawback，vain，feather，resist，adore，obtain，attain重点短语castdown，objectto，infavourof，(be)boundto(do)，owe...to...，payoff，strike...intoone'sheart，fromtimetotime，bringbacktolife，invain，ingood/poorcondition重点句型1.ThencamethedisturbingnewsthatDollyhadbecomeseriouslyill.2．Scientistsbelievehumancloningisjustamatteroftimebuttheassumptionthathumancloneshavealreadybeenbornhasn'tbeenprovedyet.3．ThepopularityoffilmssuchasJurassicPark,inwhichascientistclonesseveralkindsofextinctdinosaurs,proveshowtheideastruckamixtureoffearandexcitementintopeople'shearts.4．Thegreatdrawbacktocloningagroupofanimalsisthattheywouldallhavethesamearrangementofgenesandsomightdieofthesameillness.5．Youmightfindthishardatfirstbutitpaysoffwhenyoucometospeak.1．undertake(undertook，undertaken)vt.着手；从事；承担归纳拓展(1)undertakesth.承担，接受(责任、艰苦的工作等)undertaketodosth.同意、答应或着手做某事undertakethatclause保证……(2)undertakingn．任务；事业；企业Sheundertookresponsibilityforthechanges.她承担了作出这些改变的责任。Heundertooktopaythemoneybackwithinsixmonths.＝Heundertookthathewouldpaythemoneybackwithinsixmonths.他保证六个月之内还钱。【链接训练】Thenewlaboratorieswillbeconstructedthisyear，andlocalfirmshavebeenaskedto________thework.A．assignB．manufactureC．provideD．undertake【解析】考查动词辨析。assign“指派，指定”；manufacture“生产”；provide“提供”；undertake“从事；承担”。句意为：新的图书馆将在今年建造，当地的公司被要求承担这项工作。【答案】D2．forbidvt.禁止；不许(forbade/forbad，forbidden)归纳拓展(1)forbiddoingsth.禁止做某事forbidsth.禁止某事；妨碍某事forbidsb.sth.禁止某人某事forbidsb.todosth.禁止某人做某事forbidsb.fromdoingsth.禁止某人干某事forbidthat...禁止……(从句用虚拟语气，谓语动词常用should＋动词原形，should可省略)(2)forbiddenadj.禁止的；不准的ForbiddenCity紫禁城Thenewlawforbidssmokinginoffices.新法律禁止在办公室吸烟。Theirfatherforbadethemtogothere.他们的父亲不准他们去那里。Iforbidthatyou(should)entertheroom.我禁止你进入那个房间。Heforbadethemfrommentioningthesubjectagain.他不准他们再提到这个话题。【链接训练】Thereisaboardbytheroad，which________“Parking________！”A．writes；forbiddingB．reading；forbiddingC．says；forbiddenD．saying；forbidden【解析】第一个空意为“牌子上写着”，可用says或reads，因为是从句的谓语动词，所以不可用reading或saying。第二个空是forbidparking的转化形式，因为两者之间是动宾关系，所以应是Parkingforbidden＝Noparking意为“禁止停车”。【答案】C3．objectvi.反对，不赞成归纳拓展注意：object常与介词to连用，构成短语objectto。objectto(sb./sth.)反对(某人/某事)objecttodoingsth.反对干某事objecttosb.doingsth.反对某人干某事objectthat...反对……Iobjectedthathewastooyoungfortheposition.我提出反对意见他太年轻不适合这个职位。Ifnobodyobjects，we'llpostponethemeetingtillnextweek.如果没有人反对，我们就把会议推迟到下周。Weobjecttobeingtreatedlikethis.我们抗议受到如此待遇。归纳拓展(1)objectionn．反对，不赞成havenoobjectiontosb.doi...