听材料,回答问题。
(1)
Why is the man going to the States?
A . Visit places of interest.
B . Visit his friends.
C . Attend a conference.
(2)
How long will the conference last?
A . One month.
B . Two weeks.
C . Seven days.
(3)
What is the man?
A . A scientist.
B . A writer.
C . A traveler.
答案: C
B
A