【单选题】When a tax is placed on the sellers of a product, buyers pay
A.
more, and sellers receive more than they did before the tax.
B.
more, and sellers receive less than they did before the tax.
C.
less, and sellers receive more than they did before the tax.
D.
less, and sellers receive less than they did before the tax.
【单选题】When a tax is placed on the sellers of cell phones, the size of the cell phone market
A.
and the effective price received by sellers both increase.
B.
increases, but the effective price received by sellers decreases.
C.
decreases, but the effective price received by sellers increases.
D.
and the effective price received by sellers both decrease.
【简答题】齿轮滚刀的精度等级及加工场合?选用选用齿轮滚刀应注意哪些问题?
【单选题】An auction with many buyers and many sellers is a:
【单选题】When a binding price floor is imposed on a market to benefit sellers,
A.
no sellers actually benefit.
B.
some sellers benefit, but no sellers are harmed.
C.
some sellers benefit, and some sellers are harmed.
【单选题】在房间里有10个人,分别佩戴从1号到10号的纪念章,任选3人记录其纪念章的号码,则最小号码为5的概率为:
【单选题】在房间里有10个人,分别佩戴从1号到10号的纪念章,任选3人记录其纪念章的号码。 则最大号码为5的概率是( ).
【单选题】在房间里有10个人,分别佩戴从1号到10号的纪念章,任选3人记录其纪念章的号码,则最大号码为5的概率为( )
【简答题】Many sellers tend to refuse personal checks for fear of______.