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【单选题】
离心泵振动并发出较大噪声,是由于( )引起的。A.
联轴器不同心
B.
泵的运转温度过低
C.
电机电流不足
D.
吸入管路堵塞
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【单选题】I feel uncomfortable each time I remember the situation _____ Mary didn’t agree with me _____ t
A.
126. I feel uncomfortable each time I remember the situation _____ Mary didn’t agree with me _____ the matter. A．that; at
B.
in which; over
C.
which; about
D.
where; to
【单选题】Let me take your telephone number -----I can call you later.
A.
that
B.
in order to
C.
now that
D.
so that
【简答题】I feel uncomfortable each time I remember the situation ______ Mary didn’t agree with me _______ the matter.A. that; at B. in which; over C. which; about D. where; to
【简答题】It sounds like you’re coming down______the flu. Let me take your temperature.
【单选题】--- Let me take your temperature, it is 39.1 degrees. --- You____ .
A.
have a fever.
B.
catch a cold
C.
hurt your back
D.
hurt your hand
【单选题】—How long did Mary work here? —For half a year, but she didn’t leave us much ____. We hardly remember what she is like.
A.
expression
B.
explanation
C.
impression
D.
conclusion
【单选题】The main difference between the Earth's atmosphere and the simulated one is ______.
A.
their size.
B.
their content.
C.
their height.
D.
their density.
【简答题】A) published B) simulated C) illuminated D) circulated
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