单项选择题

M：Susan，I would like to introduce a friend of mine，if I may，Tim Bums.
W：Pleased to meet you，Mr.Tim Burns.
Q：What’s the relationship between Susan and Tim Burns？（）

A．Have met for several time.
B．Classmates.
C．Don't know each other before.
D．Friends.

<上一题目录下一题>

热门试题

单项选择题

A.上清中有少量游离抗体
B.上清中有少量游离抗原
C.上清中几乎无游离抗原或抗体存在
D.出现沉淀物是肉眼不可见的

单项选择题

M：Susan，I would like to introduce a friend of mine，if I may，Tim Bums.W：Pleased to meet you，Mr.Tim Burns.Q：What’s the relationship between Susan and Tim Burns？（）