— Can you speak English?
— _______. But I can speak Chinese.
A:Yes, I can
B:No, I can
C:No, I can't
D:Yes, I can't
5升比5000立方厘米小.
Where's Sam's dictionary?
已知A={锐角},B={第一象限角},C={小于90°的角},那么A,B,C的关系式( )