常量35456与常量23所占用的存储空间一样大。()
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-653是有符号数,653是无符号数。()
A. 对
B. 错
如果不指定整数为unsigned或指定signed,则存储单元中最高位代表符号(0为正,1为负)。()
A. 对
B. 错
Question 1
At a theater.
B. At a bus station.
C. At a party.
D. At his friend's wedding ceremony.
Question 2
A. In 1889.
B. In 1989.
C. In 1998.
D. In 1949.