在过去的一百多年里，发达国家累计排放的温室气体超过全球排放量的（）。
A.3/5
B.4/5
C.5/6
D.5/7
参考答案：B
短语填空:(每空一词，每题一分；共5分)
小题1: I am ______ _______ (喜爱，喜欢) pop music .
小题2: He has ____ ____ _____ ______(下定决心) to kick his bad habits.
小题3: We should ______ _____ _______ (利用) this opportunity to learn more about the U.S.A.
小题4: Whether we can go hiking tomorrow _____ _____ (依靠；取决于) the weather.
小题5: They ____ _____ (搭起，建造) their tent at dawn .
候平均温度
