单项选择题
理想气体是指没有黏性的气体。( )
A.对
B.错
理想气体是指没有黏性的气体。( )
A.对
B.错
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单项选择题
From Billy, we know that, to be successful, we must learn to be _______.
From Billy, we know that, to be successful, we must learn to be _______.
A.independent
B.diligent
C.elegant
D.persistent