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

选修8Unit2Cloning1.Whatproblemsmayarisewhenhumansarecloned?(p.10)克隆人会引发什么问题呢？选用上述单词填空。(1)Thechildrenarose/rosefromtheirseats.(2)Weknowthesunalways_risesintheeast.(3)TheChinesewomenhave_already_risentotheirfeet.(4)Themanagerhas_raisedtheworker'ssalary.(5)Theboxwassoheavythatthelittleboycouldnotliftit.(6)Manyunexpecteddifficulties_have_arisen．(7)Anewfinancialcrisis(金融危机)has_arisen．2.Itisadifficulttasktoundertake．(p.11)这是一项很难完成的任务。[词语归纳]undertakev．承担，从事；保证；答应undertakefor为……担保；答应undertaketodosth.答应做某事，许诺做某事Areyousureyouarestrongenoughtoundertakethetrip?你确定你的身体受得了这趟旅行吗？———————————————————————完成下列句子。(1)我将保证你的安全。I'llundertake_for_your_security．(2)阿拉伯各国政府也将设法约束游击队在他们领土上开展活动。Arabgovernmentswouldundertake_to_controltheoperationsofguerrillaforcesfromtheirterritory.3.Butatlastthedeterminationandpatienceofthescientistspaid_offin1996withabreakthrough.(p.11)但是决心和耐心使科学家们最终于1996年收获了突破性的结果。[词语归纳]payoff还清(债款)；报复；惩罚；得到好的结果；取得成功；值得的payback偿还；报答；报复；回报payfor支付……的费用；付钱购买；为……付出代价paydown付定金；及时支付Fatherdockedourpocketmoneyuntilthedebtwaspaidoff.父亲克扣我们的零花钱，直到还清那笔欠款为止。———————————————————————选用上述短语完成下列小片断。Wearingthenecklaceborrowedfromherfriend，Mathildebecamethehighlightattheparty.However,shehadto(1)pay_forhervanitybecauseshelostthenecklaceandhadtoborrowmoney(2)to_pay_foranewonesothatshecouldreturnthenecklacetoherfriendontime.Forthenexttenyears.shehadtoworkhardto(3)pay_backthemoneyshehadborrowed.Toherdelight，herhardwork(4)paid_offwhenshe(5)paid_offallherdebts.4.Cloningscientistswerecast_downtofindthatDolly'sillnessesweremoreappropriatetoamucholderanimal.(p.12)研究克隆的科学家发现多莉得的病更容易发生在年老的羊身上，这使他们很沮丧。[词语归纳]castdown＝feeldiscouraged表“灰心，沮丧”，常用于被动语态或作表语。castaside丢在一边castoff扔掉；抛弃；放弃；脱掉castout驱逐castabout/aroundfor到处寻找castdoubton使人怀疑Shewasmuchcastdownatthemoment.她当时非常沮丧。———————————————————————选用上述短语填空。(1)Shewasmuchcast_downbyhisfailuretofindwork.(2)Shehascastheroldfriendsaside，whichmadethemverydisappointed.(3)Johncast_offhisgirlfriendafterhebecamerich.(4)Theoldwomansaidshehadthepowerto_cast_outghosts(鬼怪)．(5)Newevidencehas_cast_doubt_onhistheory.5.Ontheotherhand，Dolly'sappearanceraisedastormofobjectionsandhad_a_great_impact_onthemediaandpublicimagination.(p.12)另一方面，多莉的出现引起了一阵强烈的反对，对媒体和公众的想象力也产生了巨大的影响。[词语归纳]objectn.宾语；物体；目标v.反对objectionn.反对haveanobjectionto(doing)sth.反对(干)某事raiseanobjection提出异议feelanobjectionto不喜欢，厌恶havenoobjectionto不反对objectto反对，讨厌Iwouldliketosmoke,ifyouhavenoobjection.假如你不反对的话，我想抽烟。———————————————————————A．完成下列句子。(1)I_objected(不赞成，反对)thathewastooyoungforthejob.(2)Mymain_objection(主要的反对意见)totheplanisthatitisimpractical.(3)His_object_in_life(生活的目标)istoearnasmuchmoneyaspossible.(4)Wehave_no_objection_to(没有异议)yourplan.[词语归纳]make/haveanimpacton/upon＝haveaneffecton/upon对……有影响，对……起作用，产生效果havenoeffe...