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【多选题】
关于体胀系数说法正确的是:
A.
是物性参数。
B.
是温度的函数。
C.
影响流体所受的浮升力大小。
D.
对理想气体,它是热力学温度的倒数。
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参考答案:
举一反三
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【单选题】Your handwriting has a ( ) style. and I can recognize it at once.
A.
unique
B.
common
C.
sharp
D.
beneficial
【简答题】I can ’ t recognize your __________ (口音)
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【判断题】放大电路输出信号的能量来自 电源 。
A.
正确
B.
错误
【简答题】He waved his arms . (expand)
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【单选题】“举杯邀明月,对影成三人。”出自李白哪部作品
A.
《独坐敬亭山》
B.
《月下独酌》
C.
《把酒问月》
D.
《金陵酒肆留别》
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