【单选题】The legacy of______expansion brought together under a single government and economy the land that comprises the United States today.
【判断题】Under the CISG, an acceptance becomes effective when it reaches the offeror within the validity of the offer.
【多选题】建设工程交易中心的基本功能有信息服务功能、场所服务功能、集中办公功能,信息服务功能包括收集、存储和发布各类:
【判断题】Offers can be revoked if the notice to revoke reached the offeree before the acceptance becomes effective under CISG.
【简答题】和而不同的理念能够成为中华民族核心价值观之一,有其治国理政、思想文化和个人修养等多方面的原因,下列哪个不是原因之一