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(diǎn)differ意為“不同；相異”,可構(gòu)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(diǎn)撥differinsizeandshape在大小和形狀上不同。,用適當(dāng)?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(dāng)然,這個(gè)過程很難實(shí)施。Thescientistundertakestheexperiment.科學(xué)家從事這項(xiàng)實(shí)驗(yàn)。,Iwillundertaketheresponsibilityforthechanges.我愿意承擔(dān)這些變革的責(zé)任。Thelawyerundertookanewcase.那個(gè)律師接了一個(gè)新的案子。,undertake是及物動(dòng)詞,主要有以下義項(xiàng):著手做,從事,進(jìn)行;擔(dān)任,承擔(dān),答應(yīng),同意。,歸納拓展：,即時(shí)練習(xí)：完成下列句子。(1)Hewill_nextmonth(去旅行).(2)He_(承擔(dān)一項(xiàng)新任務(wù)).,undertook,task,new,a,a,undertake,journey,3.payoff得到好結(jié)果;取得成功;付清詞語聯(lián)想pay(sb)backsth還(某人)錢/物paysbbackforsth因而報(bào)復(fù)/懲罰某人payforsth付的錢；為付出代價(jià)payout為某事而付出大筆款項(xiàng),注意事項(xiàng)payoff當(dāng)“(努力、辛苦)得到好結(jié)果；(事業(yè)、計(jì)劃)成功”講時(shí)，為不及物動(dòng)詞短主，用主動(dòng)語態(tài)。原文再現(xiàn)Youmightfindthishardatfirstbutitpaysoffwhenyoucometospeak.,用pay相關(guān)短評(píng)的適當(dāng)形式完成句子(1)Ill_(還你錢)nextmonth.(2)Youmust_(為付出代價(jià))yourrudewords.(3)_(他努力沒有白費(fèi))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(xué)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(shí)練習(xí)：將下列句子譯成英語(1)聽到這個(gè)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(duì)激發(fā)了傳媒的熱炒和公眾的想像力。,詞義vi.不贊成,反對(duì)n.物品,目標(biāo)派生詞objectionn.不贊成,反對(duì)常用搭配objecttosth/doingsth反對(duì)(做)某事,objecttosb反對(duì)某人have/take/makeanobjectionto(doing)sth對(duì)表示反對(duì)raiseanobjectionto(doing)sth對(duì)提出異議,即時(shí)練習(xí):句型轉(zhuǎn)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(duì)人類克隆的研究。,詞義vt.(tocommandsomeonenottodosomething)禁止,不準(zhǔn)反義詞allow允許,準(zhǔn)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(dú)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(cái)富。Thepurposeofeducationisnotjustaccumulatinginformation.教育的目的不僅僅是積累知識(shí)。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(dòng)詞和不及物動(dòng)詞，表示:收集,聚集,堆積。另外accumulationn.積聚如:theaccumulationofknowledge知識(shí)的積聚,即時(shí)練習(xí)：完成下列句子(1)Hequickly_(積蓄了一大筆財(cái)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(shí)練習(xí)：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