【单选题】Which of the following is not a reason for increasing opportunity costs:
A.
a. technology differs among nations
B.
b. factors of production are not homogeneous
C.
c. factors of production are not used in the same fixed proportion in the production of all commondities
D.
d. for the nation to produce more of a commodity, it must use resources that are less and less suited in the production of the commodity
【简答题】英翻汉“NyQuil open-loop gain frequency-response form of solution of the feedback stability problem was of immense practical value. ”
【单选题】物流成本管理是要实现物流( ),这也是物流合理化的重要标志。
【简答题】Scientists will have to _____________ new methods of increasing the world’s good supply.
【单选题】根据增值税法律制度的规定,下列行为中,应当一并按销售货物征收增值税的是
C.
建筑公司提供建筑业劳务的同时销售自产钢结构件等建筑材料
【多选题】根据增值税法律制度的规定,下列行为中,应当一并按销售货物征收增值税的有
【单选题】物流成本管理是要实现物流( ),这也是物流合理化的重要标志。