下列四组字符串中都可以用作C语言程序中的标识符的是()。
A.print _3d db8 aBc
B.I\am one_half startit 3pai
C.str_1 Cpp pow while
D.Pxq My->book line# His.age
请用位运算实现下述目标(设16位二进制数的最低位为零位): (1)输出无符号正整数m的第i个二进制位的数值。 (2)将m的第i个二进制位置1,其余的位不变,然后输出m。 include "stdio.h" 【 】 main() { unsigned k,i,m=0; scanf("%d%d",&m,&i); k=【 】; printf("%d\n",k); k=pow(2,i); m=【 】; printf("%d\n",m); }
It is ______ who ______ reasonable.
A) me; am B) me; is C) I; am D) I; is
My father has made me ______ I am.
A.who
B.what
C.that
D.whom
The customs officer asked me if I had anything to ______
A.say
B.state
C.explain
D.declare
If I work in a small factory; it is not ______ for me to gain much experience.
A.weekly
B.friendly
C.likely
D.lively
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