【单选题】运算放大器接成图示电路后,其输入输出方式为( )
【单选题】When a binding price ceiling is imposed to benefit buyers, a result is that
A.
every buyer in the market benefits.
B.
every seller in the market benefits, but the overall benefit to sellers is smaller than the overall benefit to buyers.
C.
every buyer in the market benefits and every seller in the market is harmed.
D.
some buyers will not be able to buy any amount of the good.
【判断题】When a binding price floor is placed on a good, some suppliers who want to sell the good cannot do so.
【单选题】运算放大器接成图示电路后,其输入输出方式为()
【单选题】When binding price ceilings are imposed in a market
A.
price no longer serves as a rationing device.
B.
the market will be cleared of any shortages or surpluses that existed previously.
C.
buyers and sellers both benefit equally.
D.
the government is attempting to improve market efficiency.