治疗休克，常根据尿量的变化来估计
A．中心静脉压
B．血容量
C．微循环灌注情况
D．心功能
参考答案：C
A．a为动滑轮，B端钢缆受到滑轮组的拉力大小约为3G
B．a为动滑轮，B端钢缆受到滑轮组的拉力大小约为G
C．a、c为动滑轮，B端钢缆受到滑轮组的拉力大小约为3G
D．a、c为动滑轮，B端钢缆受到滑轮组的拉力大小约为G
A: I’ve got a fever and a really bad headache.B: ().
A. Why are you so careless about yourself
B. This kind of thing happens to everyone.
C. You should take good care of yourself.
D. Oh, that’s too bad. Why don’t you take some aspirin
G
G