選修8unit2詞匯課件

Unit2Vocabulary,1.differvi.different,difference觀察示例:Inpairs,lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-make.Thinkabouthowtheydiffer.兩人一組,觀察圖片并討論哪些是自然無性繁殖,哪些是人工的。思考它們的區(qū)別。,考點differ意為“不同；相異”,可構成短語differfrom.與不同;differin.在方面不同?？祭齃eavesarefoundonallkindsoftrees,buttheydiffergreatly_sizeandshape.(上海2007)A.onB.fromC.byD.in點撥differinsizeandshape在大小和形狀上不同。,用適當?shù)慕樵~填空(1)Imsorrytodiffer_you_thematter.(2)Thecustomsherediffer_thoseofthesouth.(3)Thetwogirlsdiffer_language.(4)Therearemanydifferences_livinginthecityandlivinginthecountryside.,from,on/over,from,in,between,2.Itisadifficulttasktoundertake.undertakevt.觀察示例:Theprocedureisdifficulttoundertake,ofcourse.當然,這個過程很難實施。Thescientistundertakestheexperiment.科學家從事這項實驗。,Iwillundertaketheresponsibilityforthechanges.我愿意承擔這些變革的責任。Thelawyerundertookanewcase.那個律師接了一個新的案子。,undertake是及物動詞,主要有以下義項:著手做,從事,進行;擔任,承擔,答應,同意。,歸納拓展：,即時練習：完成下列句子。(1)Hewill_nextmonth(去旅行).(2)He_(承擔一項新任務).,undertook,task,new,a,a,undertake,journey,3.payoff得到好結果;取得成功;付清詞語聯(lián)想pay(sb)backsth還(某人)錢/物paysbbackforsth因而報復/懲罰某人payforsth付的錢；為付出代價payout為某事而付出大筆款項,注意事項payoff當“(努力、辛苦)得到好結果；(事業(yè)、計劃)成功”講時，為不及物動詞短主，用主動語態(tài)。原文再現(xiàn)Youmightfindthishardatfirstbutitpaysoffwhenyoucometospeak.,用pay相關短評的適當形式完成句子(1)Ill_(還你錢)nextmonth.(2)Youmust_(為付出代價)yourrudewords.(3)_(他努力沒有白費)whenthemanageracceptedhisproposal.(4)She_200yuan_(付的錢)Tomsbike.,for,payyouback,payfor,Hiseffortspaidoff,paid,()Mom,Icantseeanypointinworkinghardatallthesubjectsatschool.Comeon,dear.Yearsofhardworkwillsurely_inthefutureofyourcareer.A.makesureB.payoffC.bringbackD.payback,B,4.castdown使沮喪觀察示例:CloningScientistswerecastdowntofindthatDollysillnessesweremoreappropriatetoamucholderanimal.克隆科學家沮喪地發(fā)現(xiàn)多莉的病更容易在年老的羊身上。,Dontbesocastdown.Justkeepupyourspirits.不要這么沮喪,打起精神來！,歸納拓展：castdown沮喪castaway丟棄castoff放棄；丟棄castout趕走,即時練習：將下列句子譯成英語(1)聽到這個消息他很沮喪。_(2)發(fā)現(xiàn)事情的真相使他很沮喪。_,Hewascastdowntohearthenews.,Findingoutthetruthmadehimcastdown.,5.objectv.objectionn.觀察示例:Ontheotherhand,Dollysappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.另一方面,多莉的出現(xiàn)引來了巨大的反對激發(fā)了傳媒的熱炒和公眾的想像力。,詞義vi.不贊成,反對n.物品,目標派生詞objectionn.不贊成,反對常用搭配objecttosth/doingsth反對(做)某事,objecttosb反對某人have/take/makeanobjectionto(doing)sth對表示反對raiseanobjectionto(doing)sth對提出異議,即時練習:句型轉換(1)Haveyouanyobjectiontomyopeningthewindow?=Wouldyou_myopeningthewindow?,object,to,(2)Itakeobjectiontosmoking.=I_smoking.(3)“Butheistooyoung,”sheargued.=She_thathewastooyoung.,object,to,objected,6.forbidvt.觀察示例Somebegantoreformtheirlegalsystemsandforbaderesearchintohumancloning.一些政府開始改革他們的法律體系,禁止對人類克隆的研究。,詞義vt.(tocommandsomeonenottodosomething)禁止,不準反義詞allow允許,準許常用搭配forbidsth/doingsth禁止(做)某事forbidsbtodosth禁止某人做某事forbidthat禁止allowsth/doingsth允許(做)某事allowsbtodosth允許某人做某事,根據(jù)漢語提示完成句子。(1)He_(禁止吸煙)duringofficehours.(2)Manyparents_(禁止他們的孩子獨自外出)atnight.(3)Marriage_(被禁止)duringcollegetimeinthepast.,forbidssmoking,forbidtheirchildrentogooutalone,wasforbidden,7.accumulatevt.butothercountrieslikeChinaandtheUK,continuedtoaccumulateevidenceoftheabundantmedicalaidthatcloningcouldprovide.有些國家比如中國和英國繼續(xù)收集克隆能提供豐富的醫(yī)療幫助的證據(jù)。,Heaccumulatedfortunebyhardwork.他因努力工作而積蓄了一筆財富。Thepurposeofeducationisnotjustaccumulatinginformation.教育的目的不僅僅是積累知識。vi.積聚Dustaccumulatedduringmyabsence.我不在期間灰塵積聚了起來。,歸納拓展：accumulate可作及物動詞和不及物動詞，表示:收集,聚集,堆積。另外accumulationn.積聚如:theaccumulationofknowledge知識的積聚,即時練習：完成下列句子(1)Hequickly_(積蓄了一大筆財富).(2)Cloudsbeganto_(在天空中聚集).,large,in,accumulated,fortune,accumulate,sky,the,8.retirevi.觀察示例:Heretiredattheageof65.他65歲退休。Hewillsoonretirefromthearmy.他不久將退役。Sheretiredearlythatnight.那天晚上她就寢得早。,即時練習：完成句子(1)Heworkedasaguardafter_(退役).(2)Thetroops_(從戰(zhàn)地退了回來).fieldn.戰(zhàn)地,the,army,field,retiring,from,retired,from,the,9.resistvt.觀察示例:Otherswillsurviveandpassontheabilitytoresistthatdiseasetothenextgeneration.其他的將存活下來并傳遞其后代抵抗這種病的能力。,詞義vt.(toremainfirmagainsttheactions,effects,orforceof)抵制,抵抗派生詞resistancen.抵抗,反抗;抗性;抵抗力;耐性resistantadj.抵抗的;防的；抗的resistern.抵抗者resistibilityn.可抵抗性；抵抗力,常用搭配resistsh./doingsth.抵制某事/做某事cantresiststh/doingsth禁不住某事/做某事resisttheenemy/temptation抵抗敵人/抵制誘惑,根據(jù)漢字提示完成句子(1)Wearedeterminedtostayand_(抵抗敵人).(2)Tom_(忍不住開玩笑)abouthisstrangehairstyle.(3)Quiteafewpeopleinpower_(抵制不住金錢的誘惑)anddisobeythelaw.,cantresistthe