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【单选题】
PLC的模拟量控制中,采用模拟量输入输出可实现转速、电流、位置三环的随动系统( )反馈或其他模拟量的控制运算。
A.
UPS
B.
PID
C.
PI
D.
P
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参考答案:
举一反三
【单选题】You ____ busy today. [ ]
A.
really are
B.
are really
C.
really
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【单选题】--- I wish you _____ the party last night. --- It’s a shame that I ____.
A.
had attended; didn’t
B.
attended; didn’t
C.
had attended; hadn’t
D.
could attend; haven’t
查看完整题目与答案
【单选题】________ is to dance.
A.
That interests Mary really
B.
Which really interests Mary.
C.
What really interests Mary
D.
What really interest Mary
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【单选题】—“I wish I had attended the party yesterday."—“It's too bad that you _______.We met a lot of people.
A.
haven't
B.
hadn't
C.
had missed it
D.
didn't
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【单选题】If I had attended the meeting yesterday, I ___ __ you.
A.
will have seen
B.
would have seen
C.
have seen
D.
had seen
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【简答题】__________ was to return to school. A.That really interested him B. What really interested him C. Which really interested him D. That interested him really
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【单选题】下列有关计算机内存的叙述错误的是()
A.
微机的内存功能可分为RAM和ROM
B.
通常所说的计算机内存容量指RAM和ROM合计的存储器容量
C.
CPU对ROM只取不存,里面存放计算机系统管理程序,如监控程序、基本输入/输出系统模块BIOS等
D.
RAM具有可读写性和易失性
查看完整题目与答案
【简答题】A.She's really hungry. B.She's really thirsty. C.She's really angry. D.She's really sleepy.
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【简答题】有关计算机内存,叙述错误的是( )。
查看完整题目与答案
【简答题】Had you attended the meeting,you would have seen him.
查看完整题目与答案
相关题目:
【单选题】You ____ busy today. [ ]
A.
really are
B.
are really
C.
really
查看完整题目与答案
【单选题】--- I wish you _____ the party last night. --- It’s a shame that I ____.
A.
had attended; didn’t
B.
attended; didn’t
C.
had attended; hadn’t
D.
could attend; haven’t
查看完整题目与答案
【单选题】________ is to dance.
A.
That interests Mary really
B.
Which really interests Mary.
C.
What really interests Mary
D.
What really interest Mary
查看完整题目与答案
【单选题】—“I wish I had attended the party yesterday."—“It's too bad that you _______.We met a lot of people.
A.
haven't
B.
hadn't
C.
had missed it
D.
didn't
查看完整题目与答案
【单选题】If I had attended the meeting yesterday, I ___ __ you.
A.
will have seen
B.
would have seen
C.
have seen
D.
had seen
查看完整题目与答案
【简答题】__________ was to return to school. A.That really interested him B. What really interested him C. Which really interested him D. That interested him really
查看完整题目与答案
【单选题】下列有关计算机内存的叙述错误的是()
A.
微机的内存功能可分为RAM和ROM
B.
通常所说的计算机内存容量指RAM和ROM合计的存储器容量
C.
CPU对ROM只取不存,里面存放计算机系统管理程序,如监控程序、基本输入/输出系统模块BIOS等
D.
RAM具有可读写性和易失性
查看完整题目与答案
【简答题】A.She's really hungry. B.She's really thirsty. C.She's really angry. D.She's really sleepy.
查看完整题目与答案
【简答题】有关计算机内存,叙述错误的是( )。
查看完整题目与答案
【简答题】Had you attended the meeting,you would have seen him.
查看完整题目与答案
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