下列地貌由风力作用形成的是[ ]
A．丹霞地貌
B．峡谷地貌
C．雅丹地貌
D．岩溶地貌
答案：C
—A second, please. I have another call coming through.
—_____. I’m not in a hurry.
A．Enjoy yourself.
B．Leave me alone.
C．Why not.
D．Take your time.
绿色开花植物的器官有（ ）
A．根、茎、叶
B．根、茎、叶、花、种子
C．根、茎、叶、花、果实、种子
D．根、茎、叶、果实、种子
