单项选择题


A．adult' s
B．teacher' s
C．scientist' s
D．student' s
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单项选择题
It can be inferred from the passage that Amazon.com______.
A．is making a profit now
B．will probably make a profit in 2001
C．is a company that sells books only
D．suffers a great loss on the stock market
单项选择题
Finding a bargain on the Internet was getting easier partly because______.
A．there were more and more online auctions
B．there were more and more Internet users
C．the consumers had more money to spend
D．there were more goods available on the Internet
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