单项选择题

A．吗啡喃结构 B．苯吗喃结构
C．哌啶结构 D．氨基酮结构
E．环己基胺结构
盐酸美沙酮含有
A．
B．
C．
D．
E．

A.吗啡喃结构
B.苯吗喃结构
C.哌啶结构
D.氨基酮结构
E.环己基胺结构
盐酸美沙酮含有
A．
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单项选择题
听力原文：W: Could you tell me the starting time for both concerts?M: The first begins at 7pm and it lasts two hours and fifteen minutes. The second follows immediately after the first.At what approximate time does the second show start?(13)A．At 7:00 pm.B．At 8:15 pm.C．At 9:00 pm.D．At 9:15 pm.
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听力原文：W: How did you like the performance?M: Generally speaking, it was very good. The part of the maid was played beautifully, but I thought the man who played the lawyer was too dramatic to be realistic.How does the man feel about the lawyer in the play?.(15)A．He thinks the lawyer was realistic.B．He thinks the lawyer was not dramatic enough.C．He thinks the lawyer played in his part well.D．He thinks the lawyer was not realistic.
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(15)
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B．He
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C．He
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D．He
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