题目内容

――Never thought I could see you here!――____()

A. So did I
B. Ohaven't you
C. Gladto meet you
D. It's a small worl

查看答案
更多问题

――I'm afraid I can't finish the book within this week.――____()

A. Please go ahea
B. That's righ
C. Not at al
D. Take your tim

设函数(x)=cosx,则"(x)=_____

Two__________died of cold last winter()

A. hundreds old people
B. hundred old people
C. hundreds old peoples
D. hundred old peoples

设函数(x)=1+sin2x,求'(0)

答案查题题库