位于小脑幕切迹的是()
A．脑桥
B．间脑
C．小脑
D．中脑
E．延髓
参考答案：D
The lecture was called off five minutes before it was supposed to start,________made the audience angry.[ ]
A. what
B. that
C. when
D. which
呼吸衰竭治疗的主要目的是
A．控制感染
B．纠正酸碱失衡
C．纠正缺氧和C02潴留
D．纠正电解质紊乱
E．纠正心力衰竭
