考研英语阅读unit_2.doc

考研英语阅读unit_2.doc

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1、.....Unit2Custommakesallthingseasy.有个好习惯,事事皆不难。学习内容题材词数建议时间得分统计做题备忘PartAText1科普知识394/10Text2商业经济396/10Text3社会生活439/10Text4科普知识401/10PartB生态环境612/10PartC文化教育473/10PartADirections:Readthefollowingtexts.Answerthequestionsbloweachtextbychoosing[A],[B],[C]or[D].Text1In1967,inrespo

2、nsetowidespreadpublicconcernarousedbymedicalreportsofasbestos-relateddeaths,theNationalMedicalResearchCouncilorganizedcommitteeofinquirytoinvestigatethehealththreatsassociatedwiththeuseofasbestosinthebuildingindustry.Afterexaminingevidenceprovidedbymedicalresearchersandbuildi

3、ngworkersandmanagement,theCouncilpublishedareportwhichincludedadvicefordealing.专业word可编辑......withasbestos.ThereportconfirmedthefindingsofsimilarresearchintheUnitedStatesandCanada.Exposuretorelativelysmallquantitiesofasbestosfibers,theyconcluded,wasdirectlyresponsibleforthede

4、velopmentofcancers,asbestosisandrelateddiseases.Takingintoaccountevidenceprovidedbyeconomistsandbuildingindustrymanagement,however,thereportassumedthatdespitetheavailabilityofothermaterials,asbestoswouldcontinuetoplayamajorroleintheBritishbuildingindustryformanyyearstocomebec

5、auseofitsavailabilityandlowcost.Asaresult,thecouncilgaveaseriesofrecommendationswhichwereintendedtoreducetheriskstothosewhomightbeexposedtoasbestosinworkingenvironments.Theyrecommendedthat,wherepossible,asbestosfreematerialsshouldbeemployed.Incaseswhereasbestoswasemployed,itw

6、asrecommendedthatitshouldbeusedinsuchawaythatloosefiberswerelesslikelytoentertheair.Thereportrecommendedthatspecialcareshouldbetakenduringworkinenvironmentswhichcontainasbestos.Workersshouldwearprotectiveequipmentandtakespecialcaretoremovedustfromtheenvironmentandclothingwith

7、theuseofvacuumcleaner.Thereportidentifiedfivefactorswhichdeterminethelevelofriskinvolved.Thestateandtypeofasbestosiscriticaltodeterminingtheriskfactors.Inaddition,dustformationwasfoundtobelimitedwhereasbestoswasusedwhenwetratherthandry.Thechoiceoftoolswasalsofoundtoaffecttheq

8、uantitiesofasbestosparticlesthatentertheair.Machinetoolsproducegreat

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