灰霾/细粒子、光化学污染等是（）年我国主要的大气环境问题。 A

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问题单项选择题

灰霾/细粒子、光化学污染等是（）年我国主要的大气环境问题。

A.1970-1980

B.1980-1990

C.1990-2000

D.2000-2010

答案

参考答案：D

选择题

Though Alice is busy, music has always been _______ her work.[ ]

A. as much a part of her life as

B. as a part of her life much as

C. as much as a part of her life

D. so much a part of her life as

选择题

圣诞节、复活节都与纪念耶稣有关。奉耶稣为“救世主”的宗教是[ ]

A．道教

B．佛教

C．伊斯兰教

D．基督教