单项选择题

IBM's Deep Blue is ______.

A．a robot
B．a chess master
C．a programmed chess rival
D．a computer designer
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单项选择题
The direct consequence of cultural amnesia may ______.
A．degrade a sense of personal identity
B．soon lose the individual's memories
C．threaten a nation's survival
D．afflict the young as well as the old
单项选择题
Bruce Catton would probably agree that we should know history because______.
A．a nation is based on the unfinished work and the past
B．we don't know where history is going and how it goes
C．we have a sense of continuity to carry out the historical duty
D．"this nation shall have a new birth of freedom"
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