17.听第9段材料,回答第14至17题.
14.Why does the man look tired?
A.He has just been back from South America.
B.He has been surfing the Internet long hours..
C.He has been reading magazines recently.
15.Why did the man surf the Internet?
A.To look for new video games online.
B.To meet Dew friends in the net chat room.
C.To look for information for his project.
16.What's the woman's opinion about surfing the Internet?
A.There's much information available.
B.It's a waste of time to surf the Internet.
C.There isn't much useful information.
17.What does the man NOT like about the Internet?
A.People spend much.time talking about other interests.
B.It takes long to find things because of many useless sites.
C.It is hard to start chatting with others in the chartroom.