中国进出口商品检验可以分为（）

进口许可证的签发原则是（）

He is a very honest official and never _____ any gifts from the people who sought his help.

出口退税的正确程序是（）

Jim's plans to go to college _____ at the last moment

我国从哪一年开始实施新的进出口税则， 采用国际上通行的《商品名称及编码协调制度》(HS)?

The old lady can't hope to _____ her cold in a few days.

国家对经济的宏观调控应该采用哪种手段为主的调控模式?

A university is an educational institution which _____ degrees and carries out research.

出口退税是依据出El商品哪种原则所采取的一项鼓励出口贸易的措施?