《入境货物报检单》中“贸易国别(地区)”与“启运国家(地区)”的内容应当一致。
参考答案:错
AT处于空闲态时,不存在()连接。
A.UM
B.A8
C.PPP
D.A10
29.---- I wonder how much you charge for your services.
---- The first two are free ____ the third costs $30.
A.while
B.until
C.when
D.Before