What caused the health problems to workers after the September eleventh attacks according to this passage? Who suffer the breat

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问题 What caused the health problems to workers after the September eleventh attacks according to this passage?
Who suffer the breathing problems most according to the latest study?

选项

答案The building trades，firefighters，police officers and other workers．

解析参见文章第二段第二句话。

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大学英语六级

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What caused the health problems to workers after the September eleventh attacks according to this passage? Who suffer the breat

大学英语六级

Teamworkplaysanimportantpartinourdailylifeandwork,butsometimesproblemswillarisewhenweareteamingup.Istillr

Furthertreatmentwillhelptopreventhimfrom(develop)______cancer.

Howcanstudentsimprovetheirreadingspeed?Theymayimprovetheirreadingspeedwith______.

DearSir,Muchtomyregret,Iwritethislettertocomplainaboutyourcompany’sbaddeliveryservice.Thelaptop(Model

A—multimediamessageserviceJ—fixeddialB—subscriberidentitymoduleK—automaticredialC—voicepromptL—two-waychargin

A—multimediamessageserviceJ—fixeddialB—subscriberidentitymoduleK—automaticredialC—voicepromptL—two-waychargin

ThisisexactlywhatIwanttoshow：neverdesertafriendinhishourofneed．

TheUniversityBookstoreisaself-supportinguniversity-ownedorganization,whichwasfoundedin1921.Itprovidesstudents,fa

Aftermonthsofintensetrainingandpreparation,ourWorldSkillscompetitorsarereadytomaketheirpresenceontheworld’sst

WelcometoBookstore.co.ukBookstore.co.ukistheUK’sleadinginternetbookseller.Itisanonlinebookshopwitharange

符合性质量战略是指企业按照高于同类型产品生产厂家的质量标准进行设计和生产的产品质量战略。（）

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