题干
—Shall we go out for dinner tonight?
—______.
A：You are right
B：It must be funny
C：That sounds great
D：Have a nice time
答案(点此获取答案解析）
C
A：You are right
B：It must be funny
C：That sounds great
D：Have a nice time
，则它运动线速度的大小为（ ）
