新视野大学英语3第2单元答案

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1、Unit2Ourglobeisindanger!Donewiththistask.    Yourcurrentscore:93%Unit2testNextDirections:ClickonthespeakertothelefttostartplayingtheaudiorecordingsforPartsI,IIandIII.Theywillbeplayedcontinuously.Oncetherecordingstartsplaying,pleasedoNOTclickoneitherthespeakeric

2、onorthe'UnitQuiz'linkinthemenubarabove.Otherwise,youmaylosethechanceofhearingthecompleterecording.  窗体顶端PartI    ScriptDirections:Listentotheshortdialogs,andthenchoosethecorrectanswerstothequestions.Youwillheartherecordingtwice.Afterthefirstplaying,therewillbet

3、imeforyoutochoosethecorrectanswers.Usethesecondplayingtocheckyouranswers.1.(Listentotheaudiorecordingforthequestion.) A.Itisthebiggestproblem. B.Itisthesecondmostimportantproblem.C.Itisimportantbutnotthemosturgentproblem. D.Itisnotimportant. 2.(Listentotheaudio

4、recordingforthequestion.) A.Thesameastheman's. B.Theenvironmentishopeless.C.Theenvironmentisimproving. D.Theenvironmentisfreefromproblems. 3.(Listentotheaudiorecordingforthequestion.) A.It'stoolateforthegovernmentinthewoman'shometowntoprotectwaterresources.B.Th

5、ewaterintheman'shometownisnotpolluted. C.Peopleinthewoman'shometownhaveastrongsenseofwaterconservation. D.Themaninvitesthewomantovisithishometown. 4.(Listentotheaudiorecordingforthequestion.) A.Gotothezoo. B.Readabook.C.Joininaclub. D.Goforatrip. 5.(Listentothe

6、audiorecordingforthequestion.) A.Plastic. B.Coal. C.Exhaustair.D.Wasterubber. PartII    ScriptDirections:Listentothepassagethreetimes.Whenthepassageisreadforthefirsttime,listenforthegeneralidea.Whenthepassageisreadthesecondtime,fillintheblanksnumberedfromS1toS7

7、withtheexactwordsyouhear.ForblanksnumberedfromS8toS10,writedowneithertheexactwordsyouhearorthemainpointsinyourownwords.Whenthepassageisreadthethirdtime,checkyouranswers.Everyday,theaveragepersonbreathesinabout20,000litersofair. Everytimewebreathe,weriskinhaling

8、dangerous(1)thathavefoundtheirwayintotheair.Airpollutionincludesallpollutantsfoundinthe(2).Thesedangeroussubstancescanbeeitherintheformofgasesor(3).Airpollutioncanbefoundbot