国内包裹业务按传递时限分为（）。
A.大件包裹
B.普通包裹
C.快递包裹
D.直递包裹
参考答案：B, C
--You didn't go to school yesterday, did you?
--_____, though there was a heavy rain.
A．Yes, I did.
B．No, I didn't.
C．Yes, I didn't.
D．No, I did.
通过使用专营权开展销售业务获得利润的贸易方式是（）
A.招标
B.代理
C.寄售
D.包销
