单项选择题

Questions 18～21 are based on the following talk of a lab instructor. At what point in the semester does this talk take place

A．At the beginning.
B．In the middle.
C．Near the end.
D．During the final exam.
<上一题 目录 下一题>
热门 试题

单项选择题
What’s the woman suggesting to the man
A．He should not do the experiment after all.
B．He must be extremely careful.
C．She will help him do the experiment.
D．She’s sure he is right
单项选择题
Who do you think are the two speakers in the conversation
A．Betty and Tom.
B．Alice and Smith.
C．Marta and John.
D．Maria and Joseph.
相关试题