人教版高中英语必修二unit4单词讲解

人教版高中英语必修二unit4单词讲解1.dieout1)家族种族灭绝；eg:Thisspecieshasnearlydiedoutbecauseitshabitatisbeingdestroyed.2)习俗观念消失eg:Theoldcustomdiedoutmanyyearsago.第二页，共35页。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.第三页，共35页。2lossn.损失遗失丧失

losev.sufferaagreatloss遭受重大损失ataloss不知所措eg:Thecompanysufferagreatlossasaresultofthatmistake.第四页，共35页。3huntvt/vi打猎猎取/搜寻huntforsth=searchforsth寻找某物gohunting去打猎

eg:Weatherpermitting,we'llgohuntingthisSundaymorning.Sheisstillhuntforanewjob.第五页，共35页。4respondvi回答回应对...做出反应回信respondto

eg:Sherespondedbrieflytothequestions.

n.response第六页，共35页。inresponseto对......回应makeaquickreaponseto对......作出快速反应eg:I'mwritinginresponsetoyourletter.第七页，共35页。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.toone'srelief令某人感到欣慰的是eg:Toherrelief,hersonwasoutofdanger第八页，共35页。Thosewhosufferfromheadachewillfindtheyget_____fromthismedicine.A.reliefB.safety C.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。第九页，共35页。relieffromsth.

减轻……e.g.Thedruggivessomerelieffrompain.这种药可以减轻一些痛苦。第十页，共35页。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第十一页，共35页。PeriodOnetoatonwithout第十二页，共35页。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.第十三页，共35页。

eg:Heiscertaintocome.=Itiscertainthathewillcome.I'mcertainofyourseccess.=I'mcertainthatyouwillsucceed.第十四页，共35页。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.第十五页，共35页。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).第十六页，共35页。8affectv侵袭感染

1)影响=influnenceAsamatteroffact,youropinionwillnotaffectmydecision.2)感动=moveMostpeoplepresentatthemeetingweredeeplyaffectedbyhisspeech.effectnhaveaneffecton=haveaninfluenceon对...产生影响第十七页，共35页。9attentionn.注意，关注，注意力payattentionto注意fix/focusone'sattentiononsth把注意力集中在......上draw/attract/catch/getone'sattentionto吸引某人对...的注意eg.Sheisalwayspaylittleattentiontoherownhealth.第十八页，共35页。Mostattentionmustbepaid____theendangeredanimals.AprotectBtoprotectCtoprotectingDprotetingc第十九页，共35页。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。Appreciateone’sdoingsth感激某人做某事Iwouldappreciateitif…假如…我将不胜感激eg:Iwouldappreciateitifyoucoulddealwiththedifficultproblemforme.第二十页，共35页。B第二十一页，共35页。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.继承某物第二十二页，共35页。eg:Theprincesucceededtothethroneaftertheking'sdeath.successn.successfuladj.failvfailuren第二十三页，共35页。12employemploy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雇员第二十四页，共35页。PeriodOnehasbeenemployedashavebeenemployedtodealwithwasemployedinmaking第二十五页，共35页。13harm对某人有害Doharmtosb对…有害eg:Smokingdogreatharmtoourhealth.meannoharm无恶意，不想伤害eg:She'saterriblegossipbutshemeansnoharm.harmfuladj.同义词：damage.injury.hurt第二十六页，共35页。PeriodOnedoesharmtoourhealththere’snoharminasking/itdoesnoharmtoask第二十七页，共35页。14inspectvt.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“第二十八页，共35页。inspection

inspectorinspecting第二十九页，共35页。15comeintobeing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，当权第三十页，共35页。comeacross偶然遇见Comeout出版开花comeup被提出发芽走近Comeabout产生造成第三十一页，共35页。B本课栏目开关PartOnePartTwo第三十二页，共35页。16sothatsothat(1)因此，结果，以致于，用于引导结果状语从句。Theniecewasspoiledso