单项选择题

The use of the new technology will have a profound effect on schools（）.

A．negative
B．positive
C．strong
D．useful

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单项选择题

In just three years, the Net has gone from a playground for the local people to a vast communications and trading center where millions swap information or do deals around the world（）.

A．business
B．shopping
C．chatting
D．meeting

单项选择题

The service economy doesn't suggest that we convert our factories into laundries to survive（）.

A．imply
B．persuade
C．hurl
D．transform

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