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【单选题】
Q0~Q3为74LS194的A.
并行数据输端
B.
串行数据输入端
C.
串行数据输出端
D.
并行数据输出端
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举一反三
【单选题】Usually, I can’t work on my lessons ______ full attention unless I am free ________ noise.
A.
in; with
B.
at; from
C.
with; of
D.
on; of
【单选题】------The school is well equipped. ------Yes, and every student has free ________to the library.
A.
chance
B.
right
C.
use
D.
access
【简答题】分析以下程序: #include int main() { char c1,c2; c1=97; c2=98; printf("c1=%c,c2=%c\n",c1,c2); printf("c1=%d,c2=%d\n",c1,c2); return 0; } (1)运行时会输出什么信息?为什么? (2)如果将程序第4,5行改为 c1=197; c2=198; 运行时会输出什么信息?为什么? (3...
【简答题】函数 ,在C=0,D=1时,输出为Y=______。
【简答题】Life gets noisier every day and very few people can free from noise of some sort or another. It doesn’ t matter where you live—in the middle of a modem city, or a faraway village—the chances that you ...
【简答题】People hold the belief that a fun-filled, pain free life equals happiness actually reduces their chances of ever attaining real happiness. If fun and pleasure are equal to happiness then pain must be ...
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