使用20％甘露醇治疗脑水肿应该（ ） A．缓慢滴注 B．快速推注 C．一次剂

阅读理解。

1. When does the train X504 leave Washington?

A.  9:00.

B.  9:30.

C. 10:00.

D. 10:30.

2. If you have to get to New York before 12:00, you'd better take _________.

A. X500

B. X501

C. X502

D. X503

3. Which of the following trains does not stop at BWI Airport?

A. X502.

B. X503.

C. X504.

D. X505.

4. If you want to go on weekends, you can NOT choose _________.

A. X501

B. X502

C. X503

D. X504

5. Which of the following is true according to the timetable?

A. You can have meals on most of the trains.

B. Most of the trains do not stop at Neward Int'l Airport.

C. You can't buy a ticket at the stations without reservation.

D. Nobody can get from Princeton Junction to Metropark on January 30.

一颅脑外伤患者意识恢复后其对如何受伤、受伤后如何住院、如何抢救等经过都不能回忆，此现象称为（）

A.顺行性遗忘

B.逆行性遗忘

C.进行性遗忘

D.心因性遗忘

E.记忆减退

干咳或刺激性咳嗽常见于

A．慢性支气管炎

B．支气管扩张症

C．肺炎

D．急性或慢性咽喉炎

E．肺脓肿

空调系统按承担室内负荷的输送介质分类，可分为全空气系统、全水系统、空气一水系统和( )。

A．局部系统
B．混合式系统
C．冷剂系统
D．变风量系统

论述湿地的生态功能。