2020届高考英语一轮复习 Unit 2 Cloning课件 新人教版选修8

名师指津Unit2Cloning课文经典回顾重点词汇讲练写作句型仿写词句基础过关词句基础过关写作词汇1.a_____ofbread一条面包2._______________listeningtosongs喜爱听歌3.___________aplan策划一个计划4.___________astone扔石头5.______fromthearmy从部队退役6.avery_______person品行端正的人loafadore/fancy/like/love/enjoyhatch/makecast/throwretiremoral7.__________________one’sgoal实现目的8.____________wealth积累财富9.________________permission获得批准10.sorryto_________you对不起打扰一下11.__________therearesixofus.我们总共六人。12.therulesand____________这些规章制度regulationsattain/achieve/reachaccumulateobtain/get/receivebother/disturb/troubleAltogether阅读词汇1.initialn.宪法；章程2.procedureadj.最初的；开始的3.constitutionn.程序；步骤4.assumptionn.规则；规章5.regulationn.假定；设想6.merelyn.突破7.shortlyn.歌剧；歌剧团8.breakthroughn.缺点；不利条件9.drawbackadv.仅；只；不过10.operaadv.立刻；不久11.turkeyn.面粉12.clawn.双胞胎之一adj.成对的13.feathern.羽毛14.flourn.火鸡15.twinn.爪；脚爪16.arbitraryadj.保守的；守旧的17.commercialadj.任意的18.straightforwardadj.简单的；坦率的19.conservativeadj.商业的；贸易的20.compulsoryadj.必须做的；义务的转换词汇1.Nobodyraisedany_________(object)tomyplan.作raised的宾语用名词，表示“不赞成，反对”。2.Mattersare_________(differ)fromcountrytocountry.作表语用形容词。objectiondifferent3.Igooverthe____________(correct)thatmyteachermakesinmyschoolwork.在the后用名词，表示“改正，修正”。句中makecorrections意为“修正”。4.Manyofthe____________(decorate)aremadefromafragranttypeofwood.在the后用名词，又由manyof可知，用复数。表示“装饰品”。correctionsdecorations5.Thefishermenweremyoldfriends,buttheywere________(able)torecognizeme.在were后作表语用形容词，又由but可知，是“不能”认出我来，故填unable。6.Ithinkweshouldfollowuphissuggestions;itsounds____________(reason).在系动词sounds后作表语用形容词，表示“合情理的”。unablereasonable7.Bytheendof2009,therewereabout740,000HIV_________(carry)inChina.作介词about的宾语用名词，表示“携带者”。8.Nooneknows________(exact)howtheearthbegan,asithappenedsolongago.修饰动词knows用副词，表示“确切地”。carriersexactly词组搭配1.___________沮丧；不愉快2.___________大众传播媒体3.___________旁路；支线；岔道4.____________________________________不时；偶尔5.resist_______(do)sth抵制干某事6.forbidsb______(do)sth不允许某人做某事todocastdownthemediasideroadfromtimetotime/attimes/nowandthendoing7.undertake______(do)sth答应做某事8.differ______与……不同9.bringback____life使复生；使复活10.________白费力气；枉费心机11.____goodcondition状况/情况很好12.____favourofyoursuggestion赞成你的建议intodofromtoinvainin13.strike…_____one’sheart使……刻骨铭心14.Ourplan_________.我们的计划成功了。15.owesth____sb欠某人某物；把……归功于某人16.object_____doingsth反对做某事17.forbidsb______dosth禁止某人做某事18.be_______todosth一定或注定做某事boundintopaidofftototo美句必背1.Thefact______sheseemedtodevelopnormallywasveryencouraging.她(多莉羊)似乎生长正常的事实很鼓舞人心。2.Thencamethe___________(disturb)newsthatDollyhadbecomeseriouslyill.接着传来了令人烦扰的多莉病重的消息。thatdisturbing3.Theinitial_____________(require)isthatyouneedperfectDNAwhichgivesinformationforhowcellsaretogrow.首先要求你有完好的DNA，以提供有关细胞将如何生长的信息。requirement4.Thisis_________thecloningofmammalsisstillanewscienceanditsstoryonlybeganseriouslyinthe1950sasthislistshows:...这是因为克隆哺乳动物仍然还是一门新的科学，它是从20世纪50年代才开始进行认真研究的，如下表所示：……5.Theprocedureisdifficult______________(undertake).这一程序很难操作。toundertakebecause课文经典回顾语法填空Cloningisawayof1________(make)anexactcopyofanotheranimalandplant.2___hastwomajoruses.Oneis3_____gardenersuseittoproducecommercialquantitiesofplants.Theotheristhatitis4_________(value)forresearchonnewspeciesandformedicalresearchonanimals.5________,theprocessofcloningisdifficult6____________(undertake).Manyattemptstoclonemammalsfailed.makingItthatvaluableHowevertoundertakeThefirstsuccessfulclone,Dollythesheep,madethewholescientificworld7________(follow)itsprocessthoughithadmoreproblemsthanthenormalsheep.Ontheotherhand,Dolly’sappearance8________(raise)astormofobjectionsandhadagreatimpactonthemediaandpublicimagination.Differentpeoplehavedifferent9__________(opinion)ofit.However,scientistsstillwonderwhethercloning10__________(help)orharmusandwhereitisleadingus.willhelpfollowraisedopinions短文改错Althoughatpresenthumaneggcellsandembryos(胚胎)neededforcloningresearcharedifficultytoobtain,newspaperswroteofevilleadershopetoclonethemselvestoattaintheirambitions.Religiousleadersalsoraisemorallyquestions.Governmentsbecamenerveandlessconservative.moredifficulthopingraisedmoralnervousSomebegantoreformtheirlegalsystemsandforbaderesearchintohumancloning,othercountrylikeChinaandtheUK,continuedtoaccumulateevidenceoftheabundantmedicalaidthatcloningcouldprovide.However,scientistsstillwonderwhethercloningwillhelporharmtousandhowitisleadingus.wherecountriesbut1.difficulty→difficult作表语要用形容词。2.hope→hoping因已有谓语wrote，所以hope为非谓语动词；又因leaders与hope是主动关系，所以用现在分词短语作定语。3.raise→raised由上文中的wrote和下文的became可知，用一般过去时才时态一致。4.morally→moral作定语要用形容词。5.nerve→nervous在系动词became后作表语要用形容词。6.less→more从下文来看,政府是变得“更”保守。7.在other前加but两句间缺连词，前后是转折关系，故填but。8.country→countries从举例来看，其他国家，不止一个，要用复数。9.去掉harm后的to因harm与动词help是并列关系，harm是及物动词，直接接宾语，不用介词。但作为名词时有doharmto(有害于)结构。10.how→where由leadingus可知意为“把我们引向哪里”。重点词汇讲练搭配objecttosb／sth不赞成／反对……objecttodoingsth反对做某事……objectthat…反对……haveanobjectionto…反对……raiseanobjectionto…对……提出异议1.objectionn.不赞成；反对运用⑴我反对这项提议。Iobjecttothisproposal.⑵我们反对受到这样的待遇。Weobjecttobeingtreatedlikethis.⑶Hestronglyobjectedtogettingupearly.(同义句)He________________________gettingupearly.hadastrongobjectionto搭配bothersbwith／abou