What caused the health problems to workers after the September eleventh attacks according to this passage? The researchers deci

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问题 What caused the health problems to workers after the September eleventh attacks according to this passage?
The researchers decided to study the effects on breathing first because ______ might appear in a later period of time.

选项

答案other disorders

解析参见文章第二段第六句话。研究者们决定首先研究呼吸器官受到的影响因为其他疾病的发作期较晚。

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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? The researchers deci

大学英语六级

Whichkindofjobshouldyouchoose?Youshouldchooseajobthatyou______.

Thetouristspassedabeautifulpark,in______alotoflocalpeopleweredoingexercises.

DearManager,Afteraseriousconsideration,IhavedefinitelydecidedtoresignfromthedepartmenteffectivelyonSeptembe

Normallyastudentmustattendacertainnumberofcoursesinordertograduate,andeachcoursewhichheattendsgiveshimacr

A、Themanlikestheclassicalartinahigherdegree.B、Themanlikesthemodernartbetter.C、Themanlikesneithermodernnor

Trainingastronauts______notaneasything.

A、Takinglongbusinesstrips.B、Workingonweekends.C、Havingworkexperience.D、livinginthecompany’sdormitory.B题目询问这份工作的特殊

Accordingtotheauthor,thedistinctionbetweenviolentactsandnon-violentonesinsportsis______.Accordingtotheauthor

Martinbeggedhismothertopardonhim,__________(保证以后考试不再作弊了).

Astudyshowsthat_________________________(成功的压力诱使孩子们作弊).

会计凭证按其()不同，分为原始凭证和记账凭证。

A、waterB、termC、flowerD、exerciseB

中枢神经系统的神经胶质细胞有_______、_______、_______和_______四种，周围神经系统的神经胶质细胞有_______和_______两种。

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下列各项中，计算个人所得税自行申报的年所得时允许扣除的项目有()。(2008年)

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下列叙述中，错误的是

Once-dailyPillCouldSimplifyHIVTreatmentBristol-MyersSquibbandGileadScienceshavecombinedmanyHIVdrugsintoasingle

中枢神经系统的神经胶质细胞有___、_、_和_四种，周围神经系统的神经胶质细胞有_和___两种。