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举一反三
【单选题】水汽充沛的温带气旋能产生降雨的区域是:I.暖锋后;II.暖锋前;III.中心附近;IV.冷锋前;V.暖区;VI.冷锋后。
A.
Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅵ
B.
Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ
C.
Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ
D.
Ⅱ、Ⅳ、Ⅴ、Ⅵ
【单选题】“那里啊四季分明，冬季最漫长，春有百花香，夏有稻花香，秋有明月照，冬有白雪妆”根据歌中描述的景象回答下面小题。该地区的植被类型主要是（）
A.
热带雨林
B.
亚热带常绿阔叶林
C.
温带落叶阔叶林
D.
苔原
【单选题】Mars Global Surveyor is the oldest of five NASA robotic devices, which is designed to find out signs that Mars once had water;and it had been taking detailed pictures of the red planet for a decade. U...
A.
its life
B.
its orbit
C.
its power
D.
its position