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【判断题】
当计数器的复位输入电路断开,且计数当前值等于设定值时,其常开触点接通,常闭触点断开。再来计数脉冲时,当前值保持不变。(___)A.
正确
B.
错误
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举一反三
【单选题】在下面的while循环语句中,其循环体被执行的次数为( )。 int i=0,s=0; while(s<20) {i++; s+=i;}
A.
4
B.
5
C.
6
D.
7
【单选题】These workers will build a hospital in our town, which is_______in the west of it.
A.
to be located
B.
being located
C.
locating
D.
located
【单选题】下面的 while 循环体的执行次数为_______ 。 int i=0 , k=8 while ( i != 8 ) i = k- - ;
A.
8 次
B.
1 次
C.
2 次
D.
无数次
【单选题】下面的 while 循环体的执行次数为_______ 。 int i=0 , k=8 while ( i == 8 ) i = k- - ;
A.
8 次
B.
10 次
C.
0 次
D.
9次
【单选题】From Christianity and the barbarian kingdoms of the west emerged the medieval version of politics ______ in turn evolved the politics of our modern world.
A.
of which
B.
from which
C.
on which
D.
by which
【单选题】If the following internal summary were used in an informative speech, the speech would most likely be organized in order. On our tour of campus thus far, we have moved from the student union on the ea...
A.
causal
B.
formal
C.
analytical
D.
spatial
E.
topical
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