单项选择题

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

A．will remain the same.
B．will slow down
C．will speed up
D．can not be predicted
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单项选择题
The writer expects that by 2010 new technology will have revolutionized communications and ______.
A．bookshops will not exist
B．the present postal system will have disappeared
C．people will no longer send letters
D．the postmen will have been replaced by the motor cars.
单项选择题
A．look intoB．look upC．look toD．look through
A．look into
B．look up
C．look to
D．look through
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