Shut down the computer when we are through with it; put it ———— when we leave it for a while.
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A lot of small problems can be solved by ____________ your computer.
When people———, they produce less trash and help save natural resources.
以下哪些变量名是合法的?
A. abe
B. _varExample
C. int
D. public
E. 78ab
F. int_var
已知二维数组A[0..9][0..9]中(按行优先存储的),元素A[2][0]的地址为560,每个元素占4个字节,则元素A[1][0]的地址为( )。
A. 520
B. 522
C. 554
D. 556