A、正确
B、错误
答案:B
解析:null
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A、正确
B、错误
答案:B
解析:null
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A. an offer reaches the offeree
B. an acceptance becomes effective
C. both seller and buyer sign on a written contract
D. the contract is approved by authorities
我的答案:B
解析:null
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A. 正确
B. 错误
A. 正确
B. 错误
A. 正确
B. 错误
A. 正确
B. 错误
A. 正确
B. 错误
解析:null
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A. 正确
B. 错误
A. 正确
B. 错误
A. The sender must be the potential buyer.
B. It is not a necessary step to conclude a contract.
C. It is an invitation to offer.
D. Neither the sender nor the recipient of an inquiry is bound.
我的答案:A
A. 正确
B. 错误