【单选题】What is the total surplus of a market?
A.
the sum of consumer surplus and producer deficit
B.
the sum of consumer surplus and producer surplus
C.
the difference between the consumer surplus and producer surplus
D.
the difference between the highest price that a consumer is willing to pay and the lowest price that a producer is willing to sell
【多选题】违约责任的特征包括
A.
违约责任是当事人不履行合同债务时所产生的民事责任。
【多选题】民事责任的法律特征包括( )。
C.
民事责任以财产性责任为主,以非财产性责任为补充
【简答题】常用的平面磨床按其砂轮轴线位置和工作台的结构特点,可分为 __________ 平面磨床, __________ 平面磨床, __________ 平面磨床和 __________ 平面磨床几种。其中, __________ 平面磨床应用最广。
【单选题】Chinas trade surplus with the US accounted for 73 percent of its total surplus last year, but China had a trade______with other countries, including 58 less-developed countries.