2019年6月大学英语四级阅读练习题：杀虫剂的潜在危害

2019年6月大学英语四级阅读练习题：杀虫剂的潜在危害2019年6月大学英语四级阅读200篇汇总Wheredopesticidesfitintothepictureofenvironmentaldisease?Wehaveseenthattheynowpollutesoil,waterandfood,thattheyhavethepowertomakeourstreamsfishlessandourgardensandwoodlandssilentandbirdless.Man,howevermuchhemayliketopretendthecontrary,ispartofnature.Canheescapeapollutionthatisnowsothoroughlydistributedthroughoutourworld：Weknowthatevensingleexposurestothesechemicals,iftheamountislargeenough,cancauseextremelyseverepoisoning.Butthisisnotthemajorproblem.Thesuddenillnessordeathoffarmers,farmworkers,andothersexposedtosufficientquantitiesofpesticidesisverysadandshouldnotoccur.Forthepopulationasawhole,wemustbemoreconcernedwiththedelayedeffectsofabsorbingsmallamountsofthepesticidesthatinvisiblypolluteourworld.Responsiblepublichealthofficialshavepointedoutthatthebiologicaleffectsofchemicalsarecumulativeoverlongperiodsoftime,andthatthedangertoindividualmaydependonthesumoftheexposuresreceivedthroughouthislifetime.FortheseveryreasonsthedangeriseasilyignoredItishumannaturetoshakeoffwhatmayseemtousathreatoffuturedisaster."Menarenaturallymostimpressedbydiseaseswhichhaveobvioussigns,"saysawisephysician,DrReneDubos,"yetsomeoftheirworstenemiesslowlyapproachthemunnoticed."练习题：Choosecorrectanswerstothequestion：Whichofthefollowingisclosestinmeaningtothesentence""Man…ispartofnature"(Para.1,Lines3-4)?Manappearsindifferenttowhathappensinnature.Manactsasifhedoesnotbelongtonature.Mancanavoidtheeffectsofenvironmentalpollution.Mancanescapehisresponsibilitiesforenvironmentaleffectsofpesticides?Whatistheauthor"sattitudetowardtheenvironmentaleffectsofpesticides?PessimisticIndifferentDefensiveConcernedIntheauthor"sview,thesuddendeathcausedbyexposuretolargeamountsofpesticides.isnottheworstofthenegativeconsequencesresultingfromtheuseofpesticidesnowoccursmostfrequentlyamongallaccidentaldeathshassharplyincreasedsoastobecomethecenterofpublicattentionisunavoidablebecausepeoplecan"tdowithoutpesticidesinfarmingPeopletendtoignorethedelayedeffectsofexposuretochemicalbecause.limitedexposuretothemdoeslittleharmtopeople"shealththepresentismoreimportantforthemthanthefuturethedangerdoesnotbecomeapparentimmediatelyhumansarecapableofwithstandingsmallamountsofpoisoningItcanbeconcludedfromDr.Dubosremarksthatpeoplefindinvisiblediseasesdifficulttodealwithattacksbyhiddenenemiestendtobefataldiseaseswithobvioussignsareeasytocurepeopletendtooverlookhiddendangerscausedbypesticides1.[B]题干的句子是文章第1段第3句，这