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

ActtoCallAnytime,AnywhereWhenyou’restrandedonthehighway—orinyourdriveway—youhaveenoughtoworryabout.Determ

Whenyouopenyourelectronicmail,youmayfindinformationabouthowtobuymedicine,cheapairlinetickets,books,computerp

Whenyouopenyourelectronicmail,youmayfindinformationabouthowtobuymedicine,cheapairlinetickets,books,computerp

Notuntilmostofthepeoplehadleftthemeetingroom______hissisterwasthere.

Thetouristspassedabeautifulpark,in______alotoflocalpeopleweredoingexercises.

A、Dr.Blockwon’tbebusythismorning.B、Thewomanwon’tmeetDr.Blockbefore12:00.C、ThewomancanmeetDr.Blockat10:00.

Thispartistotestyourabilitytodopracticalwriting.Youarerequiredtowriteabusinessletteraccordingtothefollowin

Withthedevelopmentofartificialintelligence,robotswilldosomementalworkinoffice______somemanualworkontheproduct

Thefirsttrainingclassforemployeesofstate-ownedenterprises,sponsoredbytheStateDevelopmentandPlanningCommissionan

Thefirsttrainingclassforemployeesofstate-ownedenterprises,sponsoredbytheStateDevelopmentandPlanningCommissionan

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前置胎盘的期待疗法适用于：

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我国的高山绝大部分分布在兰州、成都、昆明一线以西，这里奇峰林立，是开展登山考察的理想佳地。()

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