不属于吗啡的中枢作用的是
A．抑制呼吸
B．镇咳
C．缩瞳
D．镇静
E．颅内压升高
参考答案：E
— I'll tell Mary about our changes tomorrow.
— What? You ______ her yesterday. [ ]
A. ought to tell
B. must have told
C. might have told
D. should have told
—Do you like pets?
A．have
B．catch
C．keep
D．taste
