【简答题】Global production efficiency is ______________ because trade allows each country to exploit its ___________________________ in producing some product(s).
【判断题】若x为整型变量、j为实型变量,当执行语句:x=(int)j;后,j也变为整型变量。
【判断题】As long as two people have different opportunity costs, each can gain from trade with the other, since trade allows each person to obtain a good at a price lower than his or her opportunity cost.
【判断题】Trade allows each person to specialize in the activities he or she does best, thus increasing each individual's productivity.
【多选题】秘书在做接待工作时,办公室、会客室的环境一般可分为()。
【单选题】关于唯物辩证法中的联系的说法,正确的是( ) 1指世界上任何两个事物都是相互影响、相互作用的 2既包括事物内部的联系,又包括事物外部的联系 3对万事万物相互依赖、相互影响、相互制约和相互作用的关系这一共同属性的囊括 4指社会生活中人与人之间结成的各种社会关系的总和
【多选题】软环境是指()等在接待过程中体现出来的人文环境。
【判断题】If two nations repeatedly use trade barriers against each other,then a trade war results. ( )