【单选题】【消耗次数：1】
PLC的输人和输出量有开关量和模拟量两种。开关量I/ 0用最大I/ 0点数表示，模拟量I/ 0点数用最大I / 0通道数表示。（ )
①
正确
②
错误
参考答案：
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相关题目
【单选题】
有以下程序，程序运行以后的输出结果是（） #include stdio.h main（ ） { int a[ ]={2,3,5,4},i; for(i=0;i switch(i%2) { case 0:switch(a[i]%2) {case 0:a[i]++;break; case 1:a[i]--; }break; case 1:a[i]=0; } for(i=0;i printf(\n); }
①
3 3 4 4
②
2 0 5 0
③
3 0 4 0
④
0 3 0 4
【单选题】
设有程序：则在程序中的两个括号中分别应填入（） main（ ） { int i,a[11]; printf(给数组赋值:\n); for (i=0;i scanf(%d,( )); ... ... printf(输出数组:\n); for(i=0;i printf(%d,,( )); }
①
a[i]和a[i]
②
a[i]和a[i]
③
a[i]和a[i]
④
a[i]和a[i]
随机题目
【单选题】
Of course she ___________ what youve done.
①
is pround of
②
finds a way
③
takes off
④
fights for
【单选题】
Ted: I’m very sorry for stepping on your foot.Chark: __________ It’s very crowded on the bus.
①
Don’t worry.
②
Thats all right.
③
Im fine.
④
Take it easy.
【单选题】
Sally: You look great in this red dress! Jennifer: __________
①
No, its not. Yours looks better.
②
No, I dont like it very much.
③
I quite agree with you.
④
Thank you. Its my favorite.
【单选题】
Well, goodbye. I____________ our conversation very much.
①
enjoy
②
enlarge
③
enlighten
④
enable
【单选题】
Tom and Mary ___________ each other.
①
keep apart
②
are in love with
③
none other than
④
in a whisper
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”This old man was none other than the medical officer what had given Jim the health check.
①
正确
②
错误
【判断题】
He is getting on in yearsand we shouldnt let him do such heavy work.划线部分应该翻译成“年事已高”
①
正确
②
错误
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”You can learn English well only in this way.
①
正确
②
错误
【判断题】
Mr. Wang, who was in the chair, said, Comrades! Lets begin our meeting.划线部分应该翻译成“主持会议”
①
正确
②
错误