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【单选题】
A result of welfare economics is that the equilibrium price of a product is considered to be the best price because itA.
maximizes total revenue for firms and maximizes the quantity supplied of the product.
B.
maximizes the combined welfare of buyers and sellers.
C.
minimizes costs and maximizes profits of sellers.
D.
minimizes the level of welfare payments to those who no longer live below the poverty line.
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皮皮学刷刷变学霸
举一反三
【简答题】通过这门课的学习，你希望掌握哪些能力？
【简答题】包扎的目的？
【简答题】第二、三级电源SPD搭配的空气开关的额定电流一般为________A/3P。
【单选题】--There ___________ great changes in our hometown in the past fifteen years. -- Yes,For example, the government has turned the theatre__________a new park. A.has been,out B. have been, into C. was...
A.
has been,out
B.
have been, into
C.
was, from
D.
.were, into