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  【Chemicalsusedforindustrialprocessesoftencreatedangerousformsofwaste.Theamountofthesechemicalshasrisenheavilyinthepastfewyears,asmoreareasoftheworldindustrializeandnewproductsareproduced.Over80,000differentc】

  Chemicalsusedforindustrialprocessesoftencreatedangerousformsofwaste.Theamountofthesechemicalshasrisenheavilyinthepastfewyears,asmoreareasoftheworldindustrializeandnewproductsareproduced.Over80,000differentchemicalsareusedinindustriesworldwide.Aroundtheworldhundredsofmillionsoftonsofharmfulwasteareproducedeachyear.Often,itisdifficultandexpensivetogetridofthesechemicalsortostoretheminawaythatdoesnotendangerhumanlifeandtheenvironment.

  Everyyear,majorhealthproblemsresultfromharmfulwaste.Sadly,itisoftenwhensomeonehasdiedor,becomeseriouslyillthatgovernmentswilltakeactionandreducelevelsofdumpedharmfulwaste.In1989,aschoolinNewJerseyhadtobeclosedbecausestudentstherehadsufferedtoomuchexposuretochromium.Itwaslaterlearnedthatlargeamountsofchromiumhadbeendumpednearbyandblownovertotheschoolarea.

  Researchhasbeendonetoprovideinformationontheeffectsofeverychemical.Becausewastechemicalsoftenmixtogether,itwillalsobenecessarytolearnhowthecombinationsofthesechemicalsaffecthumanhealth.

  Somegovernmentshaverealizedhowserioustheproblemisandaremakinglawstogetridofharmfulwaste.Theyarealsotryingtolimittheamountofwasteindustriesareallowedtoproduce.

  Notonlygovernmentsbutthepublicaswellmustformpartofthesolution.Theycanchoosenottobuythoseproductswhichrequiretheproductionofharmfulwaste,attempttoaffectpolicymakers,andproducelessharmfulwastethemselves.Manyscientiststhinkthatwasteproductioncanbecut.Thewastecanbereducedbyatleastone-thirdusingexistingtechnologiesandmethods.

  57.Whatismainlydiscussedinthetext?

  ATheeffectofeverychemical.

  B.Problemsofharmfulwaste.

  C.Chemicalsusedforindustrialprocesses.

  D.Eventsrelatedtowastechemicals.

  58.Fromthetextweknowthat______.

  A.chromiumcanpoisonpeoplewhenthereisawind

  

  B.chromiumpollutionmakesthelocalgovernmentclosetheschool

  C.Somegovernmentsdon’trealizehowserioustheproblemsareuntilpeoplesufferalotfromharmfulwaste

  D.abouttwo-t

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2020-12-0304:04
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  小题1:B

  小题2:C

  小题3:A

  小题4:D

2020-12-03 04:09:16
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