右心衰竭时，毛细血管内压升高是由于
A．体循环静脉回流障碍
B．钠、水潴留
C．淋巴回流增加
D．微动脉收缩
E．迷走神经系统兴奋
参考答案：A
羊水过多的定义是指妊娠的任何时期羊水量超过（）
A.800ml
B.1200ml
C.1500ml
D.2000ml
E.3000ml
After questioning the man for six hours, the police ________ the information they wanted.[ ]
A. seized
B. recovered
C. appealed
D. obtained
ice ________ the information they wanted.[ ]