单项选择题

A．It can do everything that man does.
B．Our lives have been changed a lot.
C．More and more information can be stored in a computer.
D．Everything remains the same as before. Section C
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填空题
Why was the old man walking along the platformBecause he was looking for______.
单项选择题
A．It becomes smaller and works faster.B．It becomes larger and works faster.C．It works as larger and works slower.D．It becomes smaller and works slower.
A．It becomes smaller and works faster.
B．It becomes larger and works faster.
C．It works as larger and works slower.
D．It becomes smaller and works slower.
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