1/122020版高考英语一轮复习第1部分Unit2Cloning教学案含解析新人教版选修编辑:__________________时间:__________________教学资料范本2/12Unit2Cloning[单词拼写应用]核心单词1.altogetheradv.总共;完全地2.forbidvt.禁止;不准3.obtainvt.获得;赢得4.owevt.欠(账、钱、人情等);归功于……5.shortlyadv.立刻;不久6.bothervt.打扰vi.操心n.烦扰7.strikevt.&vi.打;撞击;罢工n.罢工8.drawbackn.缺点;不利条件9.undertakevt.着手;从事;承担10.breakthroughn.突破11.retirevi.退休;离开12.resistvt.抵抗;对抗[语境运用]用所给词的适当形式填空。1.Wearesupposedto_undertake(undertake)theresponsibilitytoleadalowcarbonlifestyle,whichisofgreatsignificance.2.Nowadays,energycanbe_obtained(obtain)throughvarioussourcessuchasoil,coal,naturalgas,solarheat,thewindandoceantides.3.Ourschoolisanonsmokingschool.Sosmokingis_forbidden(forbid)here.4.HadIrealizedyouwerebusy,Iwouldn'thave_bothered(bother)youwithmyquestions.5.Butjustasacoinhastwosides,Internethasitsowndrawbacks(drawback),whichshouldnotbeneglected.6.Having_retired(retire)frombusiness,henowoccupieshimselfwithhisgarden.拓展单词1.differvi.不同;相异→differentadj.不同的→differencen.差异;不同2.vt.使复杂化→adj.复杂的;难懂的→n.复杂3/123.correctadj.正确的v.改正→correctionn.改正;纠正;修正4.objectvi.反对;不赞成→objectionn.不赞成;反对;异议5.accumulatevt.&vi.积累;聚积→accumulationn.积累;增加6.assumevt.假定;设想→assumptionn.假定;设想7.popularadj.流行的;通俗的;受欢迎的→popularityn.受人喜爱;流行8.decoratev.装饰;装修→decorationn.装饰;装修9.reasonn.原因;道理→reasonableadj.合情理的;讲道理的;公道的10.exactadj.精确的;准确的→exactlyadv.精确地;准确地[语境运用]用所给词的适当形式填空。1.Thepurposeofeducationisnotonlytheaccumulationofknowledge.Anditalsomeansaccumulatingintelligenceaswellasabilities.(accumulate)2.Fromtheappearance,wecannottellthedifferencesbetweenthetwins,thoughtheyalwayshavesomedifferentideas.Andasforthisphenomenon,ideasdifferamongmanypeople.(differ)3.Greydecidedtomovetothecountrysideandhismothermadenoobjectiontoit,whilehisfatherobjectedtoit.(object)4.Don'tassumethatyouareaprincessandstoplivinginassumptionsanymore.(assume)5.Weneedtoknowtheexacttimetheincidentoccurred.Soyou'dbetterdescribethedetailsexactly.(exact)6.TheydecoratedtheroomwithbeautifulChristmasdecorations.(decorate)阅读词汇1.straightforwardadj.简单的;直接的;坦率的2.twinn.双胞胎之一;孪生儿之一adj.成对的;成双的3.castvt.扔;投;掷4.proceduren.程序;步骤;手续5.mediumn.媒介;手段;工具6.adj.必须做的;义务的;强迫的;强制的7.adorevt.崇拜;爱慕;喜爱8.operan.歌剧;歌剧团;歌剧院9.moraladj.道德(上)的;伦理的10.initialadj.最初的;开始的11.vainadj.虚荣的;自负的;徒劳的4/12拓展联想1.“动词+副词”构成的合成名词①drawback缺点②breakdown崩溃;故障③farewell告别④feedback反馈⑤setup计划;组织⑥breakup分手;中断2.表示“反对;拒绝”的词荟萃①againstprep.反对②opposev.反对③objectvi.反对④disagreevi.不同意⑤rejectvt.拒绝⑥refusev.拒绝3.resist形近词集锦①resistv.抵抗②insistv.坚持③assistv.协助④assistantn.助手⑤consistvi.由……组成⑥consistentadj.始终如一的熟词生义你知道下面句子中黑体词的汉语意思吗?1.(20xx·全国卷Ⅰ)WhenIarrived,Isawa2to3weekoldowl.Ithadalreadybeenplacedinacarrierforsafety.临时庇护处;简易的窝2.(20xxstruckmeastheperfectsolution.让人觉得3.Chinaistheonlynuclearstatetopubliclyundertakenottobethefirsttousenuclearweaponsortousenuclearweaponsagainstnonnuclearweaponstates.承诺;答应[短语多维应用]高频短1.cast_down使失望;使沮丧2.in_favour_of赞成;支持3.bring_back_to_life使复[语境运用]选用左边短语的适当形式填空。Areyou①in_favour_ofcloning5/12语生;使复活4.(be)_bound_to_(do)一定或注定(做)5.in_good/poor_condition状况很好(坏);情况很好(坏)humanbeings?Especiallywhenyourhealthis②in_poor_condition,you③are_bound_towantto④bringyourself⑤back_to_life.Don'tworry.Humancloningtechnologydoesn't⑥castyou⑦down.高频短语6.object_to反对7.pay_off得到好结果;取得成功;偿清8.in_vain白费力气;枉费心机9.from_time_to_time不时;偶尔10.strike_...into_one's_heart使……刻骨铭心[语境运用]选用左边短语的适当形式填空。Onlyifyoudon't⑧object_tocloninghumanbeingscanwhatyoudoforyourhealth⑨pays_off.Thesuccessfulorgans'cloningcontributestothepatients'recovery.Ibelieveitwill⑩striketheadvancedmedicaltechnology⑪into_your_heart.拓展联想1.“in+名词+of”短语全接触①infavourof赞成;支持②insearchof寻找③inviewof鉴于;由于④inmemoryof为了纪念⑤inhonourof为了纪念⑥intermsof就……而言2.“in+名词”短语一览①invain白费力气;枉费心机②inrelief如释重负地③inshort总之;简言之④introuble陷入麻烦⑤inneed在困难中;急需⑥indanger在危险中[句式结构仿写]教材原句背诵句式仿写应用1.完全倒装。Thencamethedisturbingnews然后传来了令人兴奋的消息,法国队赢得了世界杯。Then_came_the_exciting_newsthatFrenchfootballteamwontheWorldCup.2.“主语+be+adj.+todo”句式,不定式英语中有大量绚烂而华丽但可能很难6/12用主动形式表示被动意义。Althoughatpresenthumaneggcellsandembryosneededforcloningresearcharedifficulttoobtain,newspaperswroteofevilleadershopingtoclonethemselvestoattaintheirambitions.懂的表达。Englishhasahugenumberofcolourfulandsplendidexpressionswhichmay_be_difficult_to_understand.3.Theadvantageisthat...其优点是……。Theadvantageisthatifthereisanewillnesssomeoftheseanimalsmaydie,butotherswillsurviveandpassontheabilitytoresistthatdiseasetothenextgeneration.骑自行车上班的优势是我们可以过一种低碳生活。The_advantage_of_cycling_to_work_is_thatwecanlivealowcarbonlife.精讲4个考纲单词1.differvi.不同;相异(1)单句语法填空①fromeachotherincharacter,wearestillgreatfriends.②(20xx·全国卷Ⅰ)Overtheyears,therehavebeenanumberofdifferent(differ)techniquestohelpdesignersapproachthisimportantpoint.③oreigners,weshouldpaymoreattentiontothedifferences(difference)inourbodylanguage.(2)[链接写作]——完成句子我坚信如果每个人都努力一点,我们将起重大作用。Iholdthefirmbeliefthatifeveryonemakesalittleeffort,wecan__make__a__big__difference.先理解再牢记(1)differin在……方面不同differfrom与……不同(2)differencen.不同之处makeadifference起作用;有影响(3)differentadj.不同的bedifferentfrom...in...在……方面与……不同7/12(4)differentlyadv.不同地[佳句背诵]Thetwinbrothersarealikeinappearancebutdiffergreatlyi