听力原文：W: Any plans for your summer vacation？
M: Yes. I'm going to travel with my friends from Hong Kong. We'll probably leave in mid-July and come back at the beginning of September.
Q: How long will the man travel？
(13)
A. One month,
B. One month and a half.
C. Two months.
D. Two months and a hale
查看答案
A．He managed the sales department.B．He gave seminars on the Internet.C．He worked as a
A. He managed the sales department.
B. He gave seminars on the Internet.
C. He worked as a custodian.
D. He designed software.
A．Their packaging of exports have to conform. to EU regulations.B．They have to cut out
A. Their packaging of exports have to conform. to EU regulations.
B. They have to cut out waste completely.
C. They must have an experienced distributor.
D. They will see expensive rise.
A．High bandwidth Internet connections.B．Cable.C．Related technologies.D．Electronic devi
A. High bandwidth Internet connections.
B. Cable.
C. Related technologies.
D. Electronic devices.
There is a U. N. convention that can cover ______.
A. problem between neighbors
B. problem between states which do not share a border
C. problems on air pollution
D. trans-boundary air pollution
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