风蚀壁龛（石窝）_爱下问搜题

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问题名词解释

风蚀壁龛（石窝）

答案

参考答案：

风沙吹蚀岩壁所形成的蜂窝状小形态

选择题

看图，选择正确的句子。

( ) 1.	A. Fold your sweater.
( ) 2.	B. Hang up your dress.
( ) 3.	C. Wash you shirt.
( ) 4.	D. Put on your T-shirt.

选择题

--- do you take exercise?

--- Twice a week.

A．How many

B．How much

C．How often

D．How long