托福词汇题练习tpo题集VIP免费

词汇题练习—tpo1-71.Theword“precious”inthepassageisclosestinmeaningtoa.Exactb.scarec.valuabled.initialAlthoughlimitedtoaskull,thePakicetusfossilprovidespreciousdetailsontheoriginsof⋯⋯2.Theword“exposed”inthepassageisclosestinmeningtoa.Explainedb.visiblec.identifiedd.locatedSeveralskeletonsofanotherearlywhale,Basilosaurus,werefoundinsedimentsleftby⋯andnowexposedintheSaharadesert.3.Theword“propulsion”inthepassageisclosestinmeaningtoa.Stayingafloatb.changingdirectionc.decreasingweightd.movingforwardThestructureofthebackboneshows,however,thatitswamlikemodernwhalesbymovingtherearportionofitsbodyupanddown,eventhoughaflukewasmissing.Thelargehindlegswereusedforpropulsioninwater.4.Theword“threatened”inthepassageiscloestinmeningtoa.Restrictedb.endangeredc.preventedd.rejectedTheexpansionofdesert-likeconditionsintoareaswheretheydidnotpreviouslyexistiscalleddeserfication.Ithasbeenestimatedthatanadditionalone-fourthoftheEarth’slandsurfaceisthreatenedbythisprocess.5.Theword“delicate”inthepassageiscloestinmeaningtoa.Fragileb.predictablec.complexd.valuableThesemiaridlandsborderingthedesertsexistinadelicateecologicalbalanceandarelimitedintheirpotentialtoadjusttoincreasedexvironmentalpressures.6.Theword“progressively”inthepassageiscloestinmeaningtoa.Openlyb.impressivelyc.objectivelyd.increasinglyThecultivationofcropshasexpandedintoprogressivelydrierregionsaspopulationdensitieshavegrown.7.Thephrase“devoidof”inthepassageisclosestinmeaningtoa.Consistingofb.hiddenbyc.exceptford.lackinginSincetheraisingofmostcropsnecessitatesthepriorremovalofthenaturalvegetation,cropfailuresleaveextensivetractsoflanddevioldofaplantcoverandsusceptibletowindandwatererosion.8.Theword“readily”inthepassageisclosestinmeaningtoa.Frequentlyb.easilyc.intelligentlyd.obviouslyExhibitors,however,watedtomaximizetheirprofits,whichtheycoulddomorereadilybyprojectingahandfuloffilmstoahundredsofcustomersatatime⋯.9.Theword“assistance”inthepassageisclosestinmeaningtoa.Criticismb.leadershipc.helpd.approval⋯withtheassistanceofEdison’sformerassistant⋯⋯10.Theword“expanded”inthepassageisclosestinmeaningtoa.Wasenlargedb.wasimprovedc.wasvariedd.wasrejectedAtthesametime,theimagethatthespectatorlookedatexpandedfromtheminisculepeepshowdimensionsof1-2inches(inheight)tothelife-sizeproportionsof6or9feet.11.Theword“outofsight”inthepassageisclosetinmeaningto(A)faraway(B)hidden(C)partlyvisibleddiscovered12.Theword“incredible”inthepassageisclosetinmeaningto(A)confusing(B)comforting(C)unbelievabledinteresting13.Theword“overlie”inthepassageisclosetinmeaningto(A)cover(B)change(C)separate(D)surround14.Theword“somuchfor”inthepassageisclosetinmeaningto(A)Thatisenoughabout(B)Nowletusturnto(C)Ofgreaterconcernare(D)Thisisrelatedto15.Theword“plugged”inthepassageisclosetinmeaningto(A)washed(B)dragged(C)filledupdsoakedthrough16.Theword“enhance”inthepassageisclosetinmeaningto(A)protect(B)improve(C)organize(D)match17.Theword“feasible”inthepassageisclosetinmeaningto(A)inexistence(B)withoutquestion(C)achievabledmostlikely18.Theword“integral”inthepassageisclosetinmeaningto(A)essential(B)variable(C)practical(D)independent19.Theword“arduous”inthepassageisclosestinmeaningto(A)Difficult(B)Necessary(C)Skilled(D)Shared20.Theword“particular”inthepassageisclosestinmeaningto(A)Natural(B)Final(C)Specific(D)Complex21.Theword“...