18.[判断题]A late acceptance must be invalid and have no binding on the offeror.
我的答案 :错

A. 正确

B. 错误

13.[判断题]If an effective offer is accepted unconditionally, a contract can be achieved.
我的答案 :对

A. 正确

B. 错误

5.[单选题]Which of the following statements is not true for an inquiry?

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

20.[判断题]

A. 　n irrevocable offer means that the offeror has no right to withdraw the offer.
我的答案 :错

B. 错误

3.[单选题]In the case of a late acceptance, _______will decide whether the acceptance is effective or not.

A. 　the party who invites the offer

B. 　the party to whom the offer is made

C. 　the party who makes the enquiry

D. 　the party who makes the offer
我的答案:D

10.[判断题]An oral offer must be accepted immediately unless the circumstances indicate otherwise.
我的答案 :对

A. 正确

B. 错误

1.[单选题]

A. 　a form of counteroffer

B. 　an unconditional refusal

C. 　an acceptance with reservation

D. 　 a conclusion of contract
我的答案:A

12.[判断题]A buyer cable an acceptance to an offer, but requiring to change payment from D/P at sight to D/A. The seller kept silence. A contract could be established at this moment.
我的答案 :错

A. 正确

B. 错误

9.[判断题]Offer and counteroffer are two essential steps in international trade negotiation.
我的答案 :错

A. 正确

B. 错误

4.[单选题]When the offeree makes modification to the ( ), his reply may not be seen as a counteroffer.

A. 　payment terms

B. 　price

C. 　packing

D. 　quality and quantity
我的答案:C