钳刮术术前准备与负压吸引术不同之处在于（） A.由技术熟练医师

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问题多项选择题

钳刮术术前准备与负压吸引术不同之处在于（）

A.由技术熟练医师操作

B.查血常规、出凝血情况

C.术前12小时行宫颈准备，使宫颈扩张

D.确诊宫内孕

E.了解有无高危因素

答案

参考答案：A, B, C

选择题

Mr. Smith said he would give us a talk today. Now it is already ten o'clock, but he hasn't ________

yet. [ ]

A. put up

B. looked up

C. made up

D. shown up

选择题

Fred plays _____ piano after _____ supper every day.

A. the; the B. /; the C. the; /