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【单选题】
在单位闭环负反馈控制系统里,通常若增大系统的开环放大系数,则系统的稳定程度。( )A.
减弱；
B.
不变；
C.
增强
D.
不确定
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举一反三
【单选题】The phenomenon that words sharing the same meaning is called______.
A.
hyponymy
B.
synonymy
C.
polysemy
D.
homonymy
【单选题】This issue is called 'green' because of ______.
A.
the subject discussed
B.
the color of the pullout poster
C.
the kind of paper used for the magazine
D.
the wild animals mentioned in the issue
【简答题】Harry called the police and reported theaccident that had happened.
【单选题】In 1653, when the English government was called The Protectorate, ______was declared the Protector of England.
A.
Guy Fawkes
B.
Charles Cromwell
C.
William of Orange
D.
Oliver Cromwell
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