问题
选择题
Smoking is not allowed in public places since May 1st. It may be a good chance for some
people to ______ smoking. [ ]
A. put up
B. give up
C. pick up
D. look up
答案
答案：B
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Smoking is not allowed in public places since May 1st. It may be a good chance for some
people to ______ smoking. [ ]
A. put up
B. give up
C. pick up
D. look up
答案：B
，
，
，在某时刻分别为0、1和0，此时CPU进行的操作是（）