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1、专业八级的改错练习12Mostpeoplewoulddescribewaterlikeacolorlessliquid.They__1__wouldknowthatinverycoldconditionsitbecomesasolidcallediceandthatwhenheatingonafireitbecomesavaporcalledsteam.__2__However,water,theywouldsay,isaliquid.Wehavelearnedthatwaterconsistsofmoleculescomposedwithtwoatomsofhydrogen_
2、_3__andoneatomofoxygen,whichwedescribebytheformulaH2O.Thisisequallytrueofthesolidcallediceandthegascalledsteam.Chemicallythereisnodifferencebetweenthegas,theliquid,andthesolid,allofwhichismadeupofmoleculeswiththeformulaH2O.__4__Thisistrueofotherchemicalsubstances;mostofthemcanexistasgasesora
3、sliquidsorassolids.Wemaynormallythinkofironasasolid,butifwewillheatitinafurnace,itwillmeltandbecomea__5__liquid,andatveryhightemperaturesitwillbecomeagas.Nothingverypermanentoccurswhenagaschangesintoaliquidorasolid.Everyoneknowsthatice,whichhasbeenmadebyfreezingwater,canbemeltedagainbywarmed
4、andthatsteamcanbecondensed__6__onacoldsurfacetobecomeliquidwater.Infact,itisonlybecausewaterissoafamiliarsubstancethatdifferentnamesareusedfor__7__thesolid,liquidandgas.Mostsubstancesareonlyfamiliarwith__8__usinonestate,becausethetemperaturesrequiringtoturnthem__9__intogasesareveryhigh,orthe
5、temperaturesnecessarytoturnthemintosolidsaresolow.Waterisanexceptioninthisrespect,whichisanotherreasonwhyitsthreestateshavegiventhreedifferentnames.__10__答案:1改like为as.describesthassth是把……描述成……的意思。2改heating为heated.在时间,条件,让步等状语从句中,当从句主语和主句主语是一致的时候,可以将从句的主语和be的变化形式省略。3改with为of.becomposedof意思为“包
6、括,由……组成”4改ismadeup为aremadeup.which指代上文中的thegas,theliquid,andthesolid,表示复数概念,所以要用are5将第一个will去掉,在时间条件状语从句和条件状语从句中要用现在时表示将来时。6by改为when.whenwarm相当于whenitiswarmed7改so为such.8改with为to.短语familiarto后面才能接“某人”familiarwith是接sth9改requiring为required.过去分词短语作后置定语时,和被修饰的名词时逻辑动宾关系。10have后加been.动词give和主语three
7、states是动宾关系专业八级的改错练习13ClassicIntentionMovementInsocialsituations,theclassicIntentionMovementis“thechair-grasp”.Hostandguesthavebeentalkingforsometime,butnowthehosthasanppointmenttokeepandcangetaway.Hisurge__1__togoisheldincheekbyhisdesirenotberudet
