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【简答题】
某设备的表压强为 100kPa ,则它的绝对压强为 ______kPa ;另一设备的真空度为 400mmHg ,则它的绝对压强为 ______mmHg 。
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反馈参考答案：
举一反三
【单选题】Igrabbed his arm and made him turn to look at me.
A.
threw
B.
seized
C.
broke
D.
stretched
【单选题】将E-R模型转换为关系模型时，对于1对多的联系，需要（ ）。
A.
将一方的主码添加到多方中
B.
将多方的主码添加到一方中
C.
联系本身转换为一个关系模式
D.
以上都不对
【单选题】The young lady responded to my greeting with a ______ look as if I were air, which made me feel somewhat embarrassed.
A.
vacant
B.
grateful
C.
desperate
D.
curious
【单选题】Don’t worry about me, mum! I can _________ myself.
A.
look for
B.
look out
C.
look after
D.
look like
【单选题】The girl ______ the bicycle is Jane.
A.
riding on
B.
driving in
C.
riding in
D.
driving on
【单选题】According to the passage, aggressive driving is characterized by______.
A.
driving at full speed
B.
yelling at another driver
C.
talking while driving
D.
sounding the horn when passing
【单选题】Her description of the garden made me ______ it.
A.
look for
B.
long for
C.
search for
D.
call for
【单选题】Don't ______ the window. Listen to me carefully.
A.
look out
B.
look out of
C.
look out at
D.
look at
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