单项选择题

A．Sending the next package earlier.
B．Waiting patiently.
C．Using air freight.
D．Looking for the package.
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单项选择题
What’’s the author’’s opinion about the new Al movement
A．It has created a sensation among artificial intelligence researchers but will soon die out.
B．It’’s a breakthrough in duplicating human thought processes.
C．It’’s more like a peculiar game rather than a real scientific effort.
D．It may prove to be in the right direction though nobody is sure of its future prospects.
单项选择题
According to the passage, the maximum intensity of sound coming from commercials______.
A．does not exceed that of programs
B．is greater than that of programs
C．varies over a large range than that of programs
D．is less than that of programs
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