必修三Unit2單詞預習（2）一._____________adj.(增長、下跌)急劇的；鋒利的→_____________adv.急劇地sharpenv.（使）鋒利寫出以下sharp在句子中的意思①Keepthetoolssharp.________________②Asweallknow,aneaglehassharpeyesight.________________③Suddenly,hefeltasharppaininthestomach.________________④Pleasebehereatseveno'clocksharp.________________⑤However,astherewasasharpincreaseinthenumberofcasesaroundtheglobe,people

areall

scared

ofthe

coronavirus

（新冠）storm.________________⑥Thepriceofpetrolhasrisen___________(sharp)sincelastmonth.⑦Thepencildoesn'twritewell;Ishould________(sharp)itbeforeIdrawthegreatfigure.二．_____________vt.代替→______________n.代替[C]替代品/者taketheplaceof=takeone’splace代替replaceAwith/byB用B代替AThefactoryreplacedmostofitsworkerswithrobots._________________________________________________________Ithinkthatthetheatrewillbereplacedbythecinema._________________________________________________________3.Itisstillunderdiscussionwhethertheoldbusstationshould___________(replace)withamodernhotelornot.4.Thereissomethingwrongwithmybike,soIdecidetoreplaceit___________anewone.5.Weneedtofinda_______________(replace)forSue.三．_____________n.手術;企業;運轉;操作→_____________動手術;操作;運轉→_____________n.操作者，經營者doanoperation做手術Hehadan_____________(operate)onhisheellastweek.翻譯：__________________________________________________________________2.Thismachineisveryeasy____________(operate).Anybodycanlearntouseitinafewminutes.

翻譯：________________________________________________________3.Thedoctorrecommendedthatthepatientshould_________________(operate)oninaclinicrightnow.

翻譯：________________________________________________________4.Thepeople______________(operate)thesefactoriesaredeeplyconcernedabouttheenvironment.翻譯：___________________________________________________________四___________vt幫助；援助assistsb.todosth./assistsb.withsth.幫助某人某事→_____________n.助手；售貨員→_____________n.援助，幫助withtheassistanceofsb在某人的幫助下1.He______________(assist)theoldmantofillintheformsandmailedthem.2.Withthe____________(assist)ofhisteacher,hegraduallyadaptedtothenewschoollife.3.Theguidemanagedtoassistthetourists________________(find)somewheretolive.4.Heworkedhardandwasappointedasa_____________(assist)manager.5.在社交軟件的幫助下，我們可以交到更多有著相同興趣的朋友。_____________________________________________________________________________五．_________________急救aidn.幫助,v.幫助withtheaidof...在……的幫助下aidsbtodosth./aidsb.withsth.幫助某人某事Withtheaidofourteachers,welearnedhowtogivefirstaid._________________________________________________________________2.Wehaveaidedhim_________(finish)theworkaheadoftime.3.Themanisverykind-hearted,whoalwaysaidsthestudents__________money.六．bitevt.&vi.咬；n.（咬下的）一口；過去式：____________過去分詞：____________1.Everyyearinthiscountrymorethan50000children_______________(bite)bydogs.2.Ifasnake___________(bite)you,itmakesamarkoraholeinyourskin.3._________(bite)twice,thepostmanrejectedtodeliverourlettersunlesswechainedourdog.4.Shewasscaredof__________________(bite)bythebigdoglyingatthegate.5.Shetookseveral________________(bite)ofthesandwich.七．tearn.眼淚可數or不可數？_________v.撕碎；撕裂過去式:___________過去分詞:______________________含著淚__________________突然大哭1.Shebrokedownandweptwith_________(tear)ofjoy.2.She__________(tear)theletterupandthrewitintotheair.

3.Hesuddenlyburstinto___________(tear).4.Ashelistenedtothemusic,hiseyesfilledwith__________(tear).5.Shelefttheroom___________.她哭著離開了房間。6.Theirstorywillmoveyoutotears._______________________________________________八．________n./vt.傷害；損害→________adj.有害的→________adj.無害的doharmto=beharmfulto對...有害＝Thereisnoharm(forsb.)todosth.(某人)做某事無妨/無害。1.Trytochooseproductsthatdotheleastharm_____theenvironment.2.Stayinguptoooftenwillbe_________(harm)topeople’shealth.3.Thereisnoharm___________(eat)morefish,whichisbeneficialtoourhealth.4.Mostchildrenarefondofsweetsbuttheymaybe_______(harm)totheirteeth.九.Sheimmediatelybecamethefirstwomanevertobehiredasaresidentphysician.當中心詞是序數詞或被序數詞修飾時,常用不定式作后置定語。1.Chinaisthefirstdevelopingcountry_________(send)man-madespaceshipintothespace.

2.Forastudent,studyingisthefirstthing___________(consider)whileappearanceisthesecond.

3.Lincolnwasthefirstpresident_____________(pass)lawstostopslavery.4.Thefirstemployees_______________(hire)bythecompanywerecollegeathletes.十．seesb.doing看到某人正在做sb.beseendoingsth.某人被看見正在做某事seesb.dosth.看見某人做的全過程seesthdone.看見某事被做1.Isawthewaitress________________(cook)inthekitchenatthattime.2.Hiscolleaguessawhim____________(reject)bythebosswhenheaskedforapayrise.3.Isawalady_____________(