μ阿片受体激动剂，还通过抑制单胺的重摄取阻断疼痛的传导
A．双氯芬酸钠B．哌替啶C．美沙酮D．异丙肾上腺素E．右丙氧芬
参考答案：B
Questions 11 to 18 are based on the conversation you have just heard.
A．She hasn’t talked with the new manager yet.
B．The new manager was not in the office.
C．She has been at home.
D．She didn’t want to talk with the new manager.
“四关”穴是指（）
A.合谷、曲池
B.合谷、太冲
C.内关、外关
D.曲池、阳陵泉
E.太冲、阳陵泉
