【单选题】在一个心动周期中,下列哪个时期左心室内压力最低
【单选题】Which of these sentences is true?
A.
The teacher didn't hear what Bill said about him.
B.
The teacher heard what Bill said and got angry.
C.
Bill said that the teacher was unfair.
【单选题】男,40岁,车祸伤导致休克,休克监测中最常用简便的指标是
【单选题】在一个心动周期中,下列哪个时期左心室内压力最高
【单选题】()对我国核科学事业做出了伟大的贡献,被称为“两弹元勋”;()被誉为“中国航天之父”。
【单选题】在一个心动周期中,下列哪个时期左心室内压力最低