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【判断题】
已知 ord('A')==65 返回True,故 ord('A')-65==0 也返回TrueA.
正确
B.
错误
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B.
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D.
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【单选题】'High tech' and 'state of the art' are two expressions that describe very modern technology. High tech is just a shorter way of saying high technology. And high technology describes any invention, sys...
A.
To tell how 'high tech' and 'state of the art' have developed.
B.
To give examples of 'high tech'.
C.
To tell what 'high tech' and 'state of the' are.
D.
To describe very modern technology.
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