钢瓶离灶具多远为合格？（）
A.0.8至1米
B.0.5至1米
C.1.5至2米
D.至1.2至1.5米
参考答案：B
携带禁带物品的乘客进站时是怎样处理的？
Only ______ a human being.
A．when is it hungry a lion will attack
B．when it is hungry a lion will attack
C．when it is hungry will a lion attack
D．when is it hungry will a lion attack
