职称英语考试综合类A完形填空专项练习题.docx

职称英语考试综合类A完形填空专项练习题2017年职称英语考试综合类A完形填空专项练习题2017年职称英语考试复习已经开始，为了帮助大家更好地备考职称英语考试，yjbys网小编为大家提供了相应的练习题，以下是2017年职称英语考试综合类A完形填空专项练习题，希望对大家的备考有所帮助。【2017职称英语考试时间】TheGreatestMysteryofWhalesThewhaleisamammal(哺乳动物)--warm-blooded,air-breathing,givingbirthtoitsyoungalive,suckingthem--and,likeallmammals,originatedonland.Therearemanysignsofthis.__________(1)frontflippers(鳍肢),usedforsteeringandstability,aretracesoffeet.Immensestrengthisbuiltintothegreatbodyofthebigwhales,andinfactmostofawhale'sbodyisonegiganticmuscle.Thebluewhale'spulling__________(2)hasbeenestimatedat400horsepower.Onespecimenwasreposedtohave__________(3)awhalingvesselforsevenhoursatthe__________(4)ofeightknots.Anenragedwhalewillattackaship.Afamous__________(5)ofthiswasthefateofwhalerEssex,whichwassunk__________(6)thecoastofSouthAmericaearlyinthelastcentury.Morerecently,steelshipshavehadtheirplatesbuckled(扭曲变形)inthesameway.Spermwhaleswereknownto__________(7)theold-timewhaleboatsintheirjawsandcrushthem.Thegreatestmysteryofwhalesistheirpingability.Thespermwhalecan__________(8)thebosomforhisfavoritefood,theoctopus(章鱼).__________(9)thatsearchheisknowntogoasfardownas3,200feet,wherethepressureis1,400poundstothesquareinch.Doing__________(10)hewillremainsubmerged(水下的)aslongasonehour.Twofeats(绝技)areinvolvedinthis:storingupenough__________(11)(allwhalesareair-breathed)andwithstandingthegreatchangeinpressure.Just__________(12)hedoesitscientistshavenotdetermined.Itisbelievedthatsomeoftheoxygenisstoredinaspecialsystemofbloodvessels,ratherthanjustheldinthelungs.And__________(13)isbelievedthataspecialkindofoilinhisheadissomesortofcompensatingmechanismthatautomaticallyadjuststheinternalpressureofhisbody.But__________(14)youcan'tbringalivewhaleintothelaboratoryforstudy,noone__________(15)justhowthesethingswork.1.A.TheirB.It'sC.TheirsD.Its2.A.strengthB.widthC.heightD.length3.A.eatenB.crashedC.towed(拖)D.lifted4.A.distanceB.rateC.voyageD.sail5.A.pictureB.filmC.exampleD.book6.A.offB.ofC.aboveD.over7.A.hitB.seizeC.damag