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【单选题】
有权颁发海员证的部门是（）A.
交通部海事局或其授权的海事部门
B.
公安机关
C.
口岸管理委员会
D.
外交部授权的地方外事部门
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皮皮学刷刷变学霸
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【简答题】Our warehouse is located in London.
【单选题】Dear Sirs, The order mentioned above was delivered to our warehouse 2 days after it arrived in Chicago 8th Jan. and we regret that we have to complain about the conditions in which we received it. In ...
A.
please correct all the mistakes as soon as possible
B.
that we expect you to replace these suits that have been wrongly delivered with those we ordered without delay
C.
we shall certainly not consider further orders with you and shall report your company to the American Trade Promotion Office in New York
D.
and we think the price is a little bit too high
E.
forty have become very sodden in transit and most of these show signs of rotting
F.
we are also surprised that you appear to have sent us three dozen lightweight gentlemen's suits in Case 1
G.
we therefore expect your prompt action to remedy this situation
H.
and there is no sign of the missing dozen in either Case 1 or 2 【B1】______
【简答题】实际电流源是指内阻R和电激流I S 。