—Was the proposal passed at yesterday’s meeting?

—Yes, but some members of the committee expressed _______.

A．associations

B．authority

C．corporations

D．reservations

常见的影响血压的因素（）

A.心排血量

B.循环血容量

C.周围血管阻力

D.血管壁的弹性

E.血液粘滞度