2017年12月大学英语四级仔细阅读练习（10）思维导图

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2017年12月大学英语四级仔细阅读练习（10）思维导图

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　　新东方网英语四级频道为大家整理了英语四级仔细阅读练习题库，希望可以为大家带来帮助，预祝大家顺利通过2017年12月大学英语四级考试。

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2017年12月大学英语四级仔细阅读练习（10）思维导图模板大纲

新东方网英语四级频道为大家整理了英语四级仔细阅读练习题库，希望可以为大家带来帮助，预祝大家顺利通过2017年12月大学英语四级考试。

2017年12月大学英语四级仔细阅读练习题库

Wheredopesticidesfitintothepictureofenvironmentaldisease?Wehaveseenthattheynowpollutesoil,waterandfood,thattheyhavethepowertomakeourstreamsfishlessandourgardensandwoodlandssilentandbirdless.Man,howevermuchhemayliketopretendthecontrary,ispartofnature.Canheescapeapollutionthatisnowsothoroughlydistributedthroughoutourworld:

Weknowthatevensingleexposurestothesechemicals,iftheamountislargeenough,cancauseextremelyseverepoisoning.Butthisisnotthemajorproblem.Thesuddenillnessordeathoffarmers,farmworkers,andothersexposedtosufficientquantitiesofpesticidesisverysadandshouldnotoccur.Forthepopulationasawhole,wemustbemoreconcernedwiththedelayedeffectsofabsorbingsmallamountsofthepesticidesthatinvisiblypolluteourworld.

Responsiblepublichealthofficialshavepointedoutthatthebiologicaleffectsofchemicalsarecumulativeoverlongperiodsoftime,andthatthedangertoindividualmaydependonthesumoftheexposuresreceivedthroughouthislifetime.Fortheseveryreasonsthedangeriseasilyignored.Itishumannaturetoshakeoffwhatmayseemtousathreatoffuturedisaster."Menarenaturallymostimpressedbydiseaseswhichhaveobvioussigns,"saysawisephysician,DrReneDubos,"yetsomeoftheirworstenemiesslowlyapproachthemunnoticed."

练习题：

Choosecorrectanswerstothequestion:

1.Whichofthefollowingisclosestinmeaningtothesentence"Man…ispartofnature"(Para.1,Lines3-4)?

A.Manappearsindifferenttowhathappensinnature.

B.Manactsasifhedoesnotbelongtonature.

C.Mancanavoidtheeffectsofenvironmentalpollution.

D.Mancanescapehisresponsibilitiesforenvironmentaleffectsofpesticides?

2.Whatistheauthor"sattitudetowardtheenvironmentaleffectsofpesticides?

A.Pessimistic

B.Indifferent

C.Defensive

D.Concerned

3.Intheauthor"sview,thesuddendeathcausedbyexposuretolargeamountsofpesticides_____.

A.isnottheworstofthenegativeconsequencesresultingfromtheuseofpesticides

B.nowoccursmostfrequentlyamongallaccidentaldeaths

C.hassharplyincreasedsoastobecomethecenterofpublicattention

D.isunavoidablebecausepeoplecan"tdowithoutpesticidesinfarming

4.Peopletendtoignorethedelayedeffectsofexposuretochemicalbecause_____.

A.limitedexposuretothemdoeslittleharmtopeople"shealth

B.thepresentismoreimportantforthemthanthefuture

C.thedangerdoesnotbecomeapparentimmediately

D.humansarecapableofwithstandingsmallamountsofpoisoning

5.ItcanbeconcludedfromDr.Dubosremarksthat_____.

A.peoplefindinvisiblediseasesdifficulttodealwith

B.attacksbyhiddenenemiestendtobefatal

C.diseaseswithobvioussignsareeasytocure

D.peopletendtooverlookhiddendangerscausedbypesticides

1.[B]题干的句子是文章第1段第3句，这是一个带有插入语的简单句，contrary在此表示跟partofnature相反，因此答案为B。

2.[D]第2段最后一句提到，我们必须更加关注吸收少量杀虫剂的潜在后果，它们正在不知不觉地污染我们的世界。因此，作者对杀虫剂对环境的影响关注且担忧,D符合题意。

3.[A]第2段第2句提到，杀虫剂使人突然发病或者死亡是很令人难过的亊，对于人口整体来说，人类对杀虫剂长期累计的潜在后果的认识不足，才是最严重的问题，故选A。

4.[C]根据第3段倒数第2句说的“对未来的灾难无动于衷是人的本性”以及最后一句说的"大多数人只对有明显迹象的疾病予以关注”可知C正是人们忽视化学药物的潜在危害的原因，故选C。

5.[D]Dubos博士话中“最可怕的敌人”指的是“杀虫剂引起的潜在危险”，博士话中的slowlyapproachthemunnoticed直接表明D正确。

2017年12月大学英语四级仔细阅读练习题库

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