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【单选题】
自动控制理论的发展,包括经典控制理论、现代控制理论和( )三个发展阶段。
A.
人工控制
B.
智能控制理论
C.
人工控制理论
D.
以上都不对
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参考答案:
举一反三
【简答题】其必曰“先天下之忧而忧,后天下之乐而乐”乎
【判断题】是进亦忧,退亦忧。然则何时而乐耶?其必曰 “ 先天下之忧而忧,后天之乐而乐 ” 乎。 进:做官退:不做官
A.
正确
B.
错误
【判断题】石油沥青的粘滞性大小与组分及温度无关。()
A.
正确
B.
错误
【判断题】( )压缩气体钢瓶应避免日光或远离热源。
A.
正确
B.
错误
【单选题】The blind man had difficulty __________the road.
A.
in cross
B.
crossing
C.
in crossed
D.
at crossing
【单选题】The wife wrote a poem on how the blind man had touched her face because
A.
the blind man asked her to do so as a memory of their friendship.
B.
she fell in love with the blind man.
C.
she usually wrote a poem when something important happened in her life.
D.
they were good friends and this was her good-bye poem.
【简答题】翻译:其必曰“先天下之忧而忧,后天下之乐而乐”乎。
【简答题】石油沥青的牌号越高,其粘滞性越大,耐热性越好。(    )
【单选题】Which of the following statements about "The Blind Man" is incorrect?
A.
Maurice was blind because he fought in the First World War.
B.
Maurice's blindness is metaphorical because in fact he can see with his fingertips.
C.
Maurice is not a blind man and he only pretends to be blind.
D.
As soon as Maurice feels something, it is absorbed into his head.
【多选题】石油沥青的技术性质包括()。
A.
粘滞性
B.
塑性
C.
温度稳定性
D.
防水性
E.
耐腐蚀性
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