【单选题】In those days, there was hardly any doubt ______ I would win the game, for all my friends stuck with me.
【简答题】简述什么是系统工程,系统工程的特征是什么?
【单选题】In those days, there was no public ________ to provide electricity.
【单选题】In those days, there was no such thing as radio or GPS devices.
【多选题】目前,我国实行国营贸易管理的商品主要包括()
【多选题】目前,我国实行国营贸易管理的商品主要包括( )
【简答题】2011年我国实行国营贸易管理的包括玉米、小麦、原油、成品油等商品。