单项选择题

A．75 quakes.
B．64 quakes.
C．119 quakes.
D．70 quakes.
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单项选择题
A．Someone spilled water on it.B．Someone lost it.C．It was made of low quality metal.D．The standard for measuring had changed.
A．Someone spilled water on it.
B．Someone lost it.
C．It was made of low quality metal.
D．The standard for measuring had changed.
单项选择题
The author says that the powerful computers of today ______.
A．are capable of reliably recognizing the shape of an object
B．are close to exhibiting humanlike behavior
C．are not very different in their performance from those of the 50’’s
D．still cannot communicate with people in a human language
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