#全国职称英语考试理工类AB级课堂笔记:概括大意与完成句子第2讲(5) 搜索结果
例题解析2GlobalWarming来源：考试大1SmokeiscloudingOurviewofglobalwarming,protectingtheplafromperhapsthree-quartersofthegreenhouse(温室)effect．Thatmightsoundlikegoodnews，butexpertssaythatasthecoverdiminishesinco
