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【单选题】
逻辑控制无环流可逆系统中,下面不能作为逻辑控制环节输入信号的是( )。A.
“零电流检测”信号
B.
“转矩极性鉴别”信号
C.
转速给定信号
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反馈参考答案：
举一反三
【单选题】孔子曾经这样描述一个社会:“大道既隐,天下为家。各亲其亲,各子其子,货力为己。大人世及以为礼,城郭沟池以为固。礼义以为纪,以正君臣,以笃父子,以睦兄弟,以和夫妇,以设制度,以立田里,以贤勇知,以功为己,故谋用是作,而兵由此起。”这个社会指的是
A.
大同之世
B.
小康之世
C.
大争之世
D.
太平盛世
【单选题】The traffic was _________when the car accident happened .
A.
held up
B.
held out
C.
held on
D.
held down
【简答题】Ancient Chinese philosophers share some common features such as their stress on _____1s___, ____2p____, ______3m____, ___4h____ and ___5i___. (the first letters of the words hav been given)
【单选题】The traffic was held __________ by an accident for two hours.
A.
on
B.
out
C.
to
D.
up
【单选题】The traffic was held up for more than thirty minutes，______caused me to arrive late.
A.
it
B.
that
C.
what
D.
which
【简答题】阅读理解。 Being a youth is one thing, and being a good one is another. A good youth should have these qualities (品德): First of all, health. A healthy body is the best riches. Without it, nothing can be do...
【简答题】Being impatient is ________ with being a good teacher. A) intrinsic B) ingenious C) incompatible D) inherent
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