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时间:2023-11-12 05:07:25 下载该word文档
同学们好,以下8篇文章,每篇10题,共80题。在系统中提交作业答案时请按篇章顺序。第2篇的1-10题在系统中题号应为11-20,以此类推。谢谢。
Passage1Scientistsissuedreportsonthesevereclimatechangesthatcouldresult__1__the“greenhouseeffect”—thegradual__2__oftheatmospherecausedbyanincreaseincarbondioxide__3__fromtheburningoffossilfuels,sayingthat__4__globaltemperaturescouldstarttorisewithinafewdecadesandreachlevelsninedegreesFahrenheithigherthantoday’stemperaturesbytheendofthenextcentury.This,expertssaid,couldcreatedangerouschangestoglobalweather__5__.Forinstance,itcouldchangeannualamountsofrainfall,swellordryuprivers,and__6__theleveloftheseas.
While_7__thatthisforecastwassomewhatuncertain,scientistswarned__8__treatingitasacryofwolf.Althoughthereis__9__debateoverhowseverethegreenhouseeffectwillbe,onethingseemscertain:Carbondioxidelevelsare__10__therise.1.A.aboutB.ofC.inD.from2.A.coolingB.warmingC.meltingD.freezing3.A.levelB.degreeC.extentD.range4.A.commonB.usualC.averageD.ordinary5.A.styleB.typeC.patternD.form6.A.rise