《全路异地售票管理办法》规定：售票窗口向每位旅客发售异地票，卧铺不超过（）张。
A、2
B、3
C、4
D、5
参考答案：B
Cocaine's being often used as painkillers can give rise to the________belief that it is not an addictive drug.[ ]
A．proper
B．mistaken
C．impossible
D．unsuitable
覆盖治草
