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日期：2010-08-17 08:08
联合10overall全面的Listentovoanewsandanswerthefollowingquestions:1??Whenarethepeopleintrafficmorelikelytosufferheartattack?2?Howmanytimesmorepollutantsdopeopleintrafficbreatheinthanthosewalkinginthestreet??3Inwhichplacearepeopleatgreaterriskofdyingfromheartandlungproblems?14Howmanyheartattacksarelinkedtotraffic?withinanhourofbeingintrafficTentimespeoplewholivenearmajorroadseightpercentListenagainandfillinthemissingwordsResearcherssaypeopletravelingintrafficarethreetimesmorelikelytosufferaheartattackwhetherdrivinginacar，Newwordsandexpressions1risk危险，冒险2expose暴露3pollutantn污染物4particle微粒5release释放6vehicle机动车7sticky粘性的8artery动脉9combination结合，ridingabusor1TheysaytheriskofaheartattackisgreatestwithinanhourofbeingintrafficResearchersbelievethemainreasonispollutedairThe2arebasedonaGermanstudyofalmostsevenhundredpeoplewhosufferedheartattacksThepatientsdescribedtheiractivitiesduringthefourdaysbeforetheirheartattackResearc，
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