以阿片类药物为主的麻醉性镇痛药不包括（）。
A.吗啡
B.哌替啶
C.氯胺酮
D.芬太尼
E.雷米芬太尼
参考答案：C
— Are you still very busy?
— Yes, I the report for the manager and it won't take long. [ ]
A. have just finished
B. am just finishing
C. had just finished
D. am just going to finish
初产妇，31岁，足月临产8小时，骨盆正常，胎心率144次/分，ROP，宫缩20秒，间歇7～8分钟，宫口开3cm，S-1，羊水清，目前应首选哪项处理
A．抬高床脚防脐带脱垂B．肌注哌替啶C．小剂量缩宫素D．待宫口开全 * * 助产E．剖宫产
