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【简答题】
The principles of writing business letters are（ ）．
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【简答题】The letter of credit can protect both the seller and the buyer with the bank as a guarantee , so it is relatively a reliable and safe mode of payment in the international trade practic e.
【简答题】A．Ignorance of the signed agreement can be excused. B．The security deposit cannot always be fully returned. C．A good roommate is more desirable than an apartment. D．Keeping pets or smoking in the apar...
【单选题】Paragraph 2 indicates that______.
A.
most of man's employment is from fishing
B.
man can always turn to fishing for employment
C.
forty percent of Chileans live on fishing boats or ships
D.
fishing has been the biggest industry in Newfoundland
【多选题】What determines the quantity of a good a seller can supply?
A.
price
B.
input price
C.
technology
D.
expectation determine the seller's supply of a good.
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