与胎盘早剥无关的病因是()
A．腹部受外伤
B．并发妊高征
C．胎盘面积过大
D．脐带过短
E．羊水过多
参考答案：C
Our teacher is clever and hardworking, but not very good at _______ his ideas to us.
A．getting over
B．getting across
C．getting on
D．getting into
下列均属酰胺类局麻药的是（）
A.普鲁卡因、利多卡因、丁卡因
B.普鲁卡因、布比卡因、丁卡因
C.普鲁卡因、罗哌卡因、丁卡因
D.利多卡因、布比卡因、罗哌卡因
E.利多卡因、布比卡因、丁卡因
