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【判断题】
库容系数β是反映水库兴利调节的能力,等于设计枯水年供水期调节流量与多年平均流量的比值。( )A.
正确
B.
错误
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举一反三
【单选题】What is the mans request?
A.
To have breakfast in the room.
B.
To pay the bill when checking out.
C.
To sign the name in the morning.
D.
To use a new credit card for the room.
【单选题】When checking the liquid level in a tank, you should position yourself _____.
A.
on the windward side of the opening
B.
on the leeward side of the opening
C.
at a right angle to the wind direction
D.
so that the obstruction of your body will protect you from the fumes
【单选题】What does the professor mean when she says this:
A.
She is checking to be sure that the students understand.
B.
She is expressing uncertainty about the information.
C.
She is inviting the students to disagree with her.
D.
She is indicating that she is in a hurry to continue.
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