车务安全知识不包括( )。
A．行车工作的基本原则
B．行车基本闭塞法
C．列车的分类和等级
D．铁路线路类别
参考答案：D
用所给词的适当形式填空。
1. Look at the sun, it is shining _______ (bright).
2. On our way home, it rained (heavy).
3. He does everything (careful).
4. His father is shouting (angry).
5. _______ (lucky), he wasn't hurt badly.
6. You should take more exercise and eat (healthy).
7. He is (true) sorry about it.
8. The children are playing _______ (noisy).
患者，男性，46岁。曾因发作性心悸、气短、胸闷诊断为预激综合征，1小时前症状再发而就诊。体检：脉搏202次／分，血压86/60mmHg，ECG示宽QRS波心动过速，202次／分。此时最适当的是（）
A.静脉注射毛花苷C（西地兰）
B.静脉注射利多卡因
C.静脉注射倍他乐克
D.同步直流电复律
E.口服胺碘酮
