—Look, the mountain is green. —Yes, it's mountain.[ ]
A. a green
B. green a
C. green
答案:A
I'd prefer ______ in the office rather than _____ at home watching TV. [ ]
A. working; staying
B. working; stay
C. to work; stay
D. work; to stay
一个圆柱的底面直径是4厘米,高是5厘米,这个圆柱的侧面积是______平方厘米,表面积是______平方厘米,体积是______立方厘米.