人教版高中英语必修二unit4单词讲解.ppt

wordsandexpressionsinUnit4,1.dieout1)家族种族灭绝；eg:Thisspecieshasnearlydiedoutbecauseitshabitatisbeingdestroyed.2)习俗观念消失eg:Theoldcustomdiedoutmanyyearsago.,拓展：dieaway声音风光等渐渐消失diedown情绪逐渐平息dieoff相继死亡草木先后枯死egThewinddiedawayatdusk.Thenoisehasdieddown.Manytreesaredyingoffforlackofwater.,2lossn.损失遗失丧失losev.sufferaagreatloss遭受重大损失ataloss不知所措eg:Thecompanysufferagreatlossasaresultofthatmistake.,3huntvt/vi打猎猎取/搜寻huntforsth=searchforsth寻找某物gohunting去打猎eg:Weatherpermitting,wellgohuntingthisSundaymorning.Sheisstillhuntforanewjob.,4respondvi回答回应对.做出反应回信respondtoeg:Sherespondedbrieflytothequestions.n.response,inresponseto对.回应makeaquickreaponseto对.作出快速反应eg:Imwritinginresponsetoyourletter.,5.reliefn(痛苦、忧虑）的减轻、消除v,relieve减轻缓解inrelief如释重负松了口气eg:Seeingthelostchildren,themotherwasinrelief.toonesrelief令某人感到欣慰的是eg:Toherrelief,hersonwasoutofdanger,Thosewhosufferfromheadachewillfindtheyget_fromthismedicine.A.reliefB.safetyC.defenseD.shelter【点拨】选A。题意：那些头痛的人会发现这种药物能减轻疼痛。relief符合题意。safety安全；defense防御，防护；shelter遮蔽，庇护。,relieffromsth.减轻,e.g.Thedruggivessomerelieffrompain.这种药可以减轻一些痛苦。,6.mercyn仁慈宽恕怜悯ask/begformercy请求宽恕showmercytosb=havemercyonsb同情，怜悯某人withoutmercy毫不留情地，残忍地atthemercyofsb任由某人控制或摆布,PeriodOne,to,at,on,without,7.certainadj,1）某个，某些（仅做定语）Thelibraryisonlyopenatcertaintimesofday.2)确定的，一定=sureforcertain=forsure无疑地确定地becertaintodosth一定会做某事becertainof/aboutsth对某事有把握becertainthat确信Itiscertainthat对.有把握certainlyadv.,eg:Heiscertaintocome.=Itiscertainthathewillcome.Imcertainofyourseccess.=Imcertainthatyouwillsucceed.,8.containvt.1)包含，容纳，装有egHowmuchwillthisbottlecontain?Fruitscontainmanyvitamins.2)抑制，控制，克制（强烈的情感）containoneself克制自己egTrytocontainyouranger.,辨析：contain&include.,contain指某物装在比其更大的物体内。include指某物为整体的一部分或一个要素。eg:Thejarcontainsolives.Themealincludessteak.注意，including为介词，included为形容词比较：Everyonelaughed,includingme(meincluded).,8affectv侵袭感染,1)影响=influnenceAsamatteroffact,youropinionwillnotaffectmydecision.2)感动=moveMostpeoplepresentatthemeetingweredeeplyaffectedbyhisspeech.effectnhaveaneffecton=haveaninfluenceon对.产生影响,9attentionn.注意，关注，注意力,payattentionto注意fix/focusonesattentiononsth把注意力集中在.上draw/attract/catch/getonesattentionto吸引某人对.的注意eg.Sheisalwayspaylittleattentiontoherownhealth.,Mostattentionmustbepaid_theendangeredanimals.AprotectBtoprotectCtoprotectingDproteting,c,10,appreciatevt欣赏鉴赏感激意识到eg:Iappreciateyourhelpverymuch.appreciate后不接todo作宾语，但可接名词、代词、或动名词做宾语。Appreciateonesdoingsth感激某人做某事Iwouldappreciateitif假如我将不胜感激eg:Iwouldappreciateitifyoucoulddealwiththedifficultproblemforme.,B,11succeedv成功,1)成功Succeedindoingsth成功做某事eg:Shestudiedveryhard,asaresult,hesucceedinpassingtheentranceexaminationtocollege.2）继承，接替，继任succeedsbas接替某人担任.TrumpsucceedObamaaspresidentintheUSA.succeedtosth.继承某物,eg:Theprincesucceededtothethroneafterthekingsdeath.successn.successfuladj.failvfailuren,12employ,employ雇佣利用（时间、精力）=makeuseofemploysb雇佣某人employtime利用时间Employsbtobe/as雇佣某人担任eg:Shehasbeenemployedasasecretaryinabigcompany.employsbtodosth雇佣某人做某事sbbeemployedindoingsth忙于做某事employer雇主，employee雇员,PeriodOne,hasbeenemployedas,havebeenemployedtodealwith,wasemployedinmaking,13harm,对某人有害Doharmtosb对有害eg:Smokingdogreatharmtoourhealth.meannoharm无恶意，不想伤害eg:Shesaterriblegossipbutshemeansnoharm.harmfuladj.同义词：damage.injury.hurt,PeriodOne,doesharmtoourhealth,theresnoharminasking/itdoesno,harmtoask,14,inspectvt.检查视察(强调上级对下级的检查）n.inspectioninspector检查员视察员eg:Themayorwillinspectourschooltommorrow.同义词：examine检查，可指身体检查check强调”核实“,inspection,inspector,inspecting,15,comeintobeing出现；形成；产生注意，不能用于被动语态，也不能用于被动语态eg:Whendidthefirstcalculatingmachinecomeintobeing?comeintoeffect/force开始实施；生效comeintouse开始使用comeintopower上台，当权,comeacross偶然遇见Comeout出版开花comeup被提出发芽走近Comeabout产生造成,B,本课栏目开关,16sothat,sothat(1)因此，结果，以致于，用于引导结果状语从句。Theniecewasspoiledsoth