古希腊人界定艺术的普遍观点是()
A.游戏说
B.表现说
C.模仿说
D.集体无意识说
参考答案:C
You’d better take another flight to New York , for the AA 505 Flight ______ have been cancelled. But you should call the airport to make sure.
A.must
B.might
C.would
D.should
使含有0.1molH2SO4的浓硫酸与过量Cu共热,所生成的气体是( )
A.0.1molH2
B.0.1molSO2
C.0.05molSO2
D.小于0.05molSO2