单项选择题

In the writer's view ______.

A．people should be prepared for the future
B．there exists no threat of unemployment
C．unions can stop the unfavorable change
D．people had better become cleaners

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单项选择题

We can learn from the second paragraph that ______.

A．traditional professions won't be affected by new technology
B．doctors won't be as efficient as computers
C．computers can not replace lawyers
D．experts will know less in the future

单项选择题

According to the passage, the rate of change in technology ______.

A．will slow down
B．will come to a stop
C．will speed up
D．can not be predicted