吗啡的药理作用不包括
A．镇痛
B．升高血压
C．镇咳
D．抑制呼吸
E．止泻
参考答案：B
Does your brother have any special______. [ ]
A. memory
B. a memory
C. memories
A．I有=3/2A，Im=3A
B．I有=3A，I有=3A
C．I有= A，I有 A
D．I有3A，Im=6A
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