专四英语完形填空专项复习.docx

专四英语完形填空专项复习

2017年专四英语完形填空专项复习聪明的秘诀在于勤奋好学，博学的秘诀在于博览群书，巧学的秘诀在于举一反三，成功的秘诀在于推陈出新。以下是小编为大家搜索整理2017年专四英语完形填空专项复习，希望对正在关注的您有所帮助!更多精彩内容请及时关注我们应届毕业生考试网! part1 Climate,morethananyothersinglefactor,11thedistributionoflifeonEarth.Climaticboundariesestablishthelimitswithinwhichorganismscansurvive.Plants,evenmorethananimals,mustbe12adaptedtoclimateinordertosurvive.Theycannotmoveaboutortakeshelterbutmustbeequippedto13whateverweatherconditionsarelikelytooccur.Intheharshconditionsofthefarnorthoftheearth,forexample,lowgrowingmosses,lichens,andafewfloweringplantsallholdtothegroundforshelterfromicywinds. Animals,despitetheir14tomoveaboutandfindshelter,arejustasmuchinfluencedbyclimateasplantsare.Creaturessuchasthecamelandthepenguinaresohighlyspecializedthattheyhavean15limiteddistribution.Others,suchasbears,areflexibleenoughtoadapttoa16rangeofclimates..Ocean-dwellingorganismsarejustassensitivetoclimaticchanges—inthiscasetemperatureandsalinity—aslandanimals.Reefcoralscansurviveonlyinclearwarmseawater.Certainforaminatersaresosensitivetochangesintheir17thattheirpresencecanbetakenasan18ofseatemperature.Humanbeingsareamongthe19specializedofallanimalsandcanlivealmostanywhere.Theirclothesandtheirhomes20asasortof"miniatureclimate"thatcanbetakenwiththemeverywhere. A.leastB.determinesc.abilityD.urgently E.broadF.behaveG.worstH.index I.endureJ.extremelyK.entertainL.well M.neighborhoodN.actO.environment 参考答案 II.B12.L13.I14.C15.J16.E17.O18.H19.A20.C part2 ScientistsatSussexUniversityappeartobeonthewayto11howthemosquito,carrierofdiseasessuchasmalariaandyellowfever,homesinonitstarget.Theproblemisthattheyhavefoundthatthebestwaytoavoidbeingbittenis:stopbreathing,stopsweating,andkeepdownthetemperatureofyourimmediatesurroundings.12thefirstsuggestionisimpossibleandtheothersverydifficult. Scientistshavefoundthattherearethree13stagesinamosquito'sassault.Stageoneisatfiftyfeetaway,whentheinsectfirstsmellsamanoraanimalto14.Stagetwoisthoughttocomeintooperationabouttwenty-fivefeetfromth