单项选择题
由流体各部分相对位移将热量带走的过程,称为()。
A、对流
B、辐射
C、导热
D、以上选项均不正确
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单项选择题
Let's () for the classmeeting.
A、get well
B、get along
C、get ready
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单项选择题
One should always _____ facts.
A、base one's opinion on
B、base one's opinion in
C、base one opinion on
D、base one opinion in
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