大客车驾驶人要向乘客讲解安全门(窗)、安全锤的使用方法。
参考答案:对
非抑制性胰岛素样活性过高致低血糖()
A.Addison病
B.糖原贮积症
C.肝硬化
D.腹膜外肿瘤
E.NIDDM早期
A Navtex station in each NAVAREA is usually allowed to have()for transmission.
A.10 minutes every 4 hours
B.half an hour every other hour
C.irregular period of time
D.5 minutes every two hours