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Wheredopesticides(杀虫剂)fitintothepictureofenvironmentaldisease?Wehaveseenthattheynowpollutesoilwaterandfoodthattheyhavethepowertomakeourstreamsfishlessandourgardensand
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问题描述:

(1)

(2)

  Wheredopesticides(杀虫剂)fitintothepictureofenvironmentaldisease?Wehaveseenthattheynowpollutesoilwaterandfoodthattheyhavethepowertomakeourstreamsfishlessandourgardensandwoodlandssilentandbirdless.Manhowevermuchhemayliketopretendthecontraryispartofnature.Canheescapeapollutionthatisnowsothoroughlydistributedthroughoutourworld?

  Weknowthatevensingleexposurestothesechemicalsiftheamountislargeenoughcancauseextremelyseverepoisoning.Butthisisnotthemajorproblem.Thesuddenillnessordeathoffarmersfarmworkersandotherexposedtosufficientquantitiesofpesticidesareverysadandshouldnotoccur.Forthepopulationasawholewemustbemoreconcernedwiththedelayedeffectsofabsorbingsmallamountsofthepesticidesthatinvisiblypolluteourworld.

  Responsiblepublichealthofficialshavepointedoutthatthebiologicaleffectsofchemicalsarecumulative(积累的)overlongperiodsoftimeandthatthedangertotheindividualmaydependonthesumoftheexposurereceivedthroughouthislifetime.Fortheseveryreasonsthedangeriseasilyignored.Itishumannaturetoshakeoffwhatmayseemtousathreatoffuturedisaster.“Menarenaturallymostimpressedbydiseaseswhichhaveobvioussigns”saysawisephysicianDrReneDoubos“yetsomeoftheirworstenemiesslowlyapproachthemunnoticed.”

Whichofthefollowingisclosestinmeaningtotheunderlinedsentence?

[  ]

A.

Manappearedindifferenttowhathappensinnature.

B.

Manactsasifhedoesnotbelongtonature.

C.

Mancanavoidtheeffectsofenvironmentalpollution.

D.

Mancanescapehisresponsibilitiesforenvironmentalprotection.

曹锦章回答:
  答案:1.B;2.D;3.A;4.C;5.D;
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