2019年6月大學(xué)英語四級(jí)閱讀練習(xí)題：殺蟲劑的潛在危害_第1頁
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2019年6月大學(xué)英語四級(jí)閱讀練習(xí)題：殺蟲劑的潛在危害2019年6月大學(xué)英語四級(jí)閱讀200篇匯總Wheredopesticidesfitintothepictureofenvironmentaldisease?Wehaveseenthattheynowpollutesoil,waterandfood,thattheyhavethepowertomakeourstreamsfishlessandourgardensandwoodlandssilentandbirdless.Man,howevermuchhemayliketopretendthecontrary,ispartofnature.Canheescapeapollutionthatisnowsothoroughlydistributedthroughoutourworld：Weknowthatevensingleexposurestothesechemicals,iftheamountislargeenough,cancauseextremelyseverepoisoning.Butthisisnotthemajorproblem.Thesuddenillnessordeathoffarmers,farmworkers,andothersexposedtosufficientquantitiesofpesticidesisverysadandshouldnotoccur.Forthepopulationasawhole,wemustbemoreconcernedwiththedelayedeffectsofabsorbingsmallamountsofthepesticidesthatinvisiblypolluteourworld.Responsiblepublichealthofficialshavepointedoutthatthebiologicaleffectsofchemicalsarecumulativeoverlongperiodsoftime,andthatthedangertoindividualmaydependonthesumoftheexposuresreceivedthroughouthislifetime.FortheseveryreasonsthedangeriseasilyignoredItishumannaturetoshakeoffwhatmayseemtousathreatoffuturedisaster."Menarenaturallymostimpressedbydiseaseswhichhaveobvioussigns,"saysawisephysician,DrReneDubos,"yetsomeoftheirworstenemiesslowlyapproachthemunnoticed."練習(xí)題：Choosecorrectanswerstothequestion：Whichofthefollowingisclosestinmeaningtothesentence""Man…ispartofnature"(Para.1,Lines3-4)?Manappearsindifferenttowhathappensinnature.Manactsasifhedoesnotbelongtonature.Mancanavoidtheeffectsofenvironmentalpollution.Mancanescapehisresponsibilitiesforenvironmentaleffectsofpesticides?Whatistheauthor"sattitudetowardtheenvironmentaleffectsofpesticides?PessimisticIndifferentDefensiveConcernedIntheauthor"sview,thesuddendeathcausedbyexposuretolargeamountsofpesticides.isnottheworstofthenegativeconsequencesresultingfromtheuseofpesticidesnowoccursmostfrequentlyamongallaccidentaldeathshassharplyincreasedsoastobecomethecenterofpublicattentionisunavoidablebecausepeoplecan"tdowithoutpesticidesinfarmingPeopletendtoignorethedelayedeffectsofexposuretochemicalbecause.limitedexposuretothemdoeslittleharmtopeople"shealththepresentismoreimportantforthemthanthefuturethedangerdoesnotbecomeapparentimmediatelyhumansarecapableofwithstandingsmallamountsofpoisoningItcanbeconcludedfromDr.Dubosremarksthatpeoplefindinvisiblediseasesdifficulttodealwithattacksbyhiddenenemiestendtobefataldiseaseswithobvioussignsareeasytocurepeopletendtooverlookhiddendangerscausedbypesticides1.[B]題干的句子是文章第1段第3句，這

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