搜题请搜索小程序“爱下问搜题”
问题 单项选择题 B型题

胎心监护发现胎心减慢开始于宫缩高峰后，下降缓慢，持续时间长，恢复亦缓慢，表示（）

A.胎儿情况良好

B.胎儿宫内缺氧、酸中毒

C.胎头受压

D.脐带受压

E.镇静药物影响

答案

参考答案：B

单项选择题

How does Booth's Algorithm improve binary multiplication ( )

A．It prevents overflow

B．It prevents underflow

C．It preserves the sign of the multiplication operation

D．It enhances the speed of the operation significantly
查看答案
选择题

He ________ to the cinema last night, for he stayed with me.

A．mustn’t go

B．shouldn’t have gone

C．could not go

D．couldn’t have gone
查看答案