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【单选题】
直流电动机转速不正常的故障原因主要有( )等A.
换向器表面有油污
B.
接线错误
C.
无励磁电流
D.
励磁绕组接触不良
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举一反三
【简答题】For this part, you are allowed thirty minutes to write a composition on the topic: A Letter to the President of the University about Improving the Sports Facilities on Campus. You should write no more...
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A.
led to
B.
resulted from
C.
ran into
D.
began with
【单选题】What is NOT mentioned in the conversation?
A.
An overseas mail.
B.
A registered letter.
C.
A post office box.
D.
A parcel.
【单选题】“一带一路”建设的核心内容和关键支撑是( )。
A.
政策沟通、设施联通、贸易畅通、资金融通、人员互通
B.
政策沟通、设施联通、商品流通、资金融通、民心相通
C.
政策沟通、设施联通、贸易畅通、资金融通、市场相通
D.
政策沟通、设施联通、贸易畅通、资金融通、民心相通
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【单选题】Toward Scoble's leaving and his blog, the writer's attitude can be said to be ______.
A.
objective.
B.
supportive.
C.
biased.
D.
apprehensive.
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