【单选题】The fundamental thing the government must do to facilitate the operation of a market economy is:
A.
produce goods to provide for low income households.
B.
set up and enforce private property rights.
C.
ensure an equal distribution of income to all citizens.
【简答题】用课文中出现的英文翻译:也许这种情况在你上一次被一道题目难住时曾经发生过。 ________________________________________________________________________________________
【单选题】矩形截面梁,若将截面高度增加一倍,而将截面宽度减小一半,则截面的最大正应力将是原来的( )倍。
【多选题】There is a fundamental set of three basic blocks. These blocks are :
【单选题】对于化学平衡, 以下说法中不正确的是( )
【简答题】to set the fundamental ___________ ( 优先 )