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【判断题】
超速行驶是指交通工具行驶速度超过60km/h。A.
正确
B.
错误
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【单选题】That most used cars are sold by intermediaries (i.e., used car dealers) provides evidence that these intermediaries
A.
have been afforded special government treatment, since used car dealers do not provide information that is valued by consumers of used cars.
B.
are able to prevent potential competitors from free-riding off the information that they provide.
C.
have failed to solve adverse selection problems in this market because "lemons" continue to be traded.
D.
have solved the moral hazard problem by providing valuable information to their customers.
【单选题】In the nation of Transporta, the income elasticity of demand for used cars is -2.66. So when incomes in this nation increase by 10 percent,
A.
the quantity of used cars demanded will increase by 26.6 percent.
B.
used cars will be normal goods.
C.
the quantity of used cars demanded will decrease by 26.6 percent.
D.
the demand curve for used cars will shift rightward.
【单选题】Despite their varied designs, navigation computers used in cars ______.
A.
are more or less the same price
B.
provide directions in much the same way
C.
work on more or less the same principles
D.
receive instructions from the same satellites
【单选题】What are parking meters used to?
A.
To limit the numbers of cars parked in the streets.
B.
To prevent cars parked in the street from being stolen.
C.
To make it convenient for drivers to pay the fee.
D.
To limit the time of cars left in the streets.
【简答题】As more andmore cars are produced and used, so the _____ from their exhaust-pipes containsan even larger volume of poisonous gas. A. exposure B. distribution C.expansion D. emission
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