免税进口的烟草制品应由( )加锁管理。
A．国家烟草专卖局
B．国家烟草专卖局和海关
C．国家烟草专卖局指定的地方烟草专卖局和海关
D．海关
参考答案：C
灭菌前包装正确的是（）
A.下排气压力蒸汽灭菌器的灭菌包体积不超过30cm×30cm×30cm
B.剪刀和血管钳等轴节类器械完全锁扣
C.棉球罐不用开盖
D.摞放的器皿间应用吸湿布、纱布或医用吸水纸隔开
E.管腔类物品应打活结，方便拿取
May I take this book out of the reading room?
No, you _____. You read it in here. [ ]
A. mightn't
B. won't
C. needn't
D. mustn't
