题目内容

According to CISG, the international business person can()before the offer reaches the offeree.

A. withdraw his/her offer
B. revoke his/her offer
C. withdraw his/her contract
D. revoke his/her contract

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简述程控交换机系统中呼叫处理程序的定义及其组成

Under documentary collection, the draft must be()

A. sight draft
B. time draft
C. banker ’s draft
D. banker ’s draft

全分散控制方式程控交换机的主要优点有哪些?

提高程控交换系统可靠性的措施有哪些?

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