2021高考英语大一轮复习 Unit 2 Cloning课件 新人教版选修8

Unit2Cloning考点一-2-【识记阅读单词】1.twinn.双胞胎之一;孪生儿之一adj.成对的;成双的2.commercialadj.商业的;贸易的3.proceduren.程序;步骤;手续4.arbitraryadj.任意的5.conservativeadj.保守的;守旧的6.constitutionn.宪法;章程7.compulsoryadj.必须做的;义务的;强迫的;强制的8.operan.歌剧;歌剧团;歌剧院9.chorusn.合唱;合唱队10.turkeyn.火鸡11.clawn.爪;脚爪12.hatchvt.&vi.孵出;孵卵;孵化Ⅰ.单词由简到难,水到渠成Thefirststepisasgoodashalfover.考点一-3-【拼写高频单词】1.straightforwardadj.简单的;直接的;坦率的2.undertakevt.(undertook,undertaken)着手;从事;承担3.breakthroughn.突破4.castvt.(cast,cast)扔;投;掷5.altogetheradv.总共;完全地6.obtainvt.获得;赢得7.attainvt.获得;到达(水平、年龄、状况等)8.moraladj.道德(上)的;伦理的9.accumulatevt.&vi.积累;聚积10.loafn.一条(面包)11.flourn.面粉考点一-4-12.owevt.欠(账、钱、人情等);归功于……13.shortlyadv.立刻;不久14.bothervt.打扰vi.操心n.烦扰15.strikevt.&vi.(struck,struck)打;撞击;罢工n.罢工16.initialadj.最初的;开始的17.vainadj.虚荣的;自负的;徒劳的18.drawbackn.缺点;不利条件19.merelyadv.仅;只;不过20.decorationn.装饰21.feathern.羽毛22.adorevt.崇拜;爱慕;喜爱考点一-5-【拓展核心单词】1.differvi.不同;相异→differencen.不同;差异→differentadj.不同的2.exactadj.精确的;准确的→exactlyadv.精确地;准确地3.carryv.携带;搬运→carriern.携带者;搬运工;运输工具4.correctv.改正;修正adj.正确的→correctlyadv.正确地→correctionn.改正;纠正;修正5.objectvi.反对;不赞成→objectionn.不赞成;反对;异议6.median.(pl.)媒介;手段;工具→medium(单数)7.obtainvt.获得;赢得→obtainableadj.可获得的;可得到的考点一-6-8.forbidvt.禁止;不准→forbade(过去式)→forbidden(过去分词)9.retirevi.退休;离开→retirementn.退休;退役→retiredadj.退休的10.assumev.假定;设想→assumptionn.假定;设想11.regularadj.规则的;有规律的→regularlyadv.有规律地;固定地→regulationn.规则;规章;法规12.resistvt.抵抗;对抗→resistancen.抵抗力13.ableadj.能够;会→unableadj.不能的;不会的14.reasonn.道理;理由→reasonableadj.合情理的;讲道理的;公道的考点一-7-1.后缀-ance高频名词resistance抵制;抵抗appearance外观;外貌;出现entrance入口importance重要;重要性guidance指导;领导insurance保险ignorance无知;愚昧significance意义;重要性elegance优美;高雅tolerance宽容;容忍assistance协助;援助考点一-8-2.resist形近词集锦insistv.坚持consistvi.由……组成assistv.协助3.accumulate相关动词小结enlargevt.&vi.扩大;放大expandvt.&vi.扩大;膨胀increasevt.&vi.增长reducevt.&vi.减少shrinkvt.&vi.收缩;缩小考点一-9-4.巧记合成词falldown→downfall垮台gettogether→get-together聚会breakthrough→breakthrough突破breakout→outbreak爆发5.owe相关用法面面观owe...to...把……归功于……owingto因为;由于owesb.anapology该向某人道歉owesb.afavour欠某人一个人情owesb.sth.=owesth.tosb.欠某人某物考点一-10-6.复习condition常见搭配livingconditions生活环境ingood/poorcondition状况很好/坏outofcondition健康状况欠佳onconditionthat...在……条件下;倘若……7.forbid的用法(+doing/+宾语+todosth.)联想forbid禁止allow允许advise建议admit承认permit许可encourage鼓励考点一-11-【识记】1.sideroad旁路;支线;岔道(美sidewalk)2.castdown使失望;使沮丧3.(be)boundto(do)...一定或注定(做)……4.strike...intoone’sheart使……刻骨铭心5.bringbacktolife使复生;使复活【默写】1.得到好结果;取得成功;偿清payoff2.赞成;支持infavourof3.不时;偶尔fromtimetotime4.白费力气;枉费心机invain5.状况/情况很好(坏)ingood/poorconditionⅡ.短语化难为简,轻松记忆Learntowalkbeforeyourun.考点一-12-1.“in+名词+of”短语全接触insearchof寻找inhonourof为了……;向……表示尊敬infavourof赞成;支持inmemoryof为了纪念……inviewof鉴于;由于intermsof谈及;就……而言;在……方面2.heart常见搭配loseheart灰心heartandsoul全心全意地strike...intoone’sheart使……刻骨铭心putone’sheartinto...用心对待考点一-13-Dolly’sdeath,likeherbirth,wasboundtoraiseworries.多莉之死,正如它的出世一样,注定要带来焦虑。考点提炼beboundtodosth.意为“注定要……”。Ⅲ.高频句型分析探究,融会贯通Nothingisimpossibletoawillingheart.这些话肯定会让他生气的。Thewordsareboundtomakehimangry.考点一-14-Cloningisawayof1.making(make)anexactcopyofanotheranimalorplant.2.Ithastwomajoruses.Oneisthatgardenersuseit3.toproduce(produce)commercialquantitiesofplants.Theotheristhatitis4.valuable(value)forresearchonnewplantspeciesandformedicalresearchonanimals.5.However,theprocessofcloningisdifficulttoundertake.Manyattemptstoclonemammalsfailed.Thefirstsuccessfulclone,Dollythesheep,madethewhole6.scientific(science)worldfollowitsprocess,thoughithadmore7.problems(problem)thanthenormalsheep.Ontheotherhand,Dolly’sappearance8.raised(raise)astormofobjectionsandhadagreatimpactonthemediaandpublic9.imagination(imagine).Differentpeoplehavedifferentopinionsofit.However,scientistsstillwonderwhethercloningwillhelporharmusand10.whereitisleadingus.Ⅳ.语篇填空旧材新用,探究根源Killtwobirdswithonestone.考点二-15-核心词汇核心句式1.differvi.不同;相异派生differencen.不同之处differentadj.不同的领悟高考·究考法用介词或differ的适当形式填空(1)ThestyleofthecampusisquitefromthatofmostChineseuniversities.(2018·全国Ⅲ,阅读理解C)校园的风格与中国的多数大学大不相同。(2)Youmayhavetheopportunitytomakeyourbiggest__________whenyou’reolder.(2016·四川,阅读理解B)当你年老的时候,你可能有机会大有作为。(3)Studieshaveshownthattherightandleftearsprocesssound.(2015·浙江,单项填空)研究表明左耳右耳处理声音方式不同。differentdifferencedifferently考点二-16-核心词汇核心句式(4)Imustdifferyouonthematter.在这件事上,我不能同意你的意见。联想拓展·记考点(1)differfrom/with...on/upon/about/over...……与……就……意见不同(2)sth.differfromsth.in...……与……在……方面不同(3)makeadifferenceto对……产生变化;对……有影响(4)AisdifferentfromBin...A与B在……方面不同from考点二-17-核心词汇核心句式2.undertakevt.着手;从事;承担;保证undertook(过去式);undertaken(过去分词)领悟高考·究考法完成或翻译句子(1)Justtelluswhetheryoucanornot.(2015·湖北,完成句子)你就告诉我们你能否承担这项任务吧。(2)Thelawyerundertookthecase.___________________________________________________(3)Iwillundertakethatyoushallbehappy.___________________________________________________undertakethetask该律师承办这个案子。我保证你会幸福的。考点二-18-核心词汇核心句式联想拓展·记考点(1)undertaketodosth.保证/答应做某事(2)undertake+that从句保证……考点二-19-核心词汇核心句式3.payoff得到好结果;取得成功(常用主动语态);偿清债款;付清工资并解雇;(对……进行)报复;收买(某人)领悟高考·究考法完成或翻译句子(1)Thisworkisstarting.(2016·北京,阅读理解C)这项工作开始得到回报。(2)Sacrificespayoffintheend.___________________________________________________(3)It’sagoodfeeling