【单选题】If a production possibilities frontier is bowed outward, then the opportunity cost of producing more of the first good is highest when
A.
the economy is producing much of the first good and little of the second good.
B.
the economy is producing equal amounts of the first and second goods.
C.
the economy is producing little of the first good and much of the second good.
D.
None of the above is correct because the opportunity cost of producing more of the first good is constant.
【单选题】以下属于外部环境具体或微观环境的是( )
【单选题】Giffen good is
A.
good whose demand curve slopes downward because the income effect is less than the substitution effect.
B.
good whose demand curve slopes upward becausethe (negative) income effect is larger than the substitution effect.
C.
good whose demand curve slopes downward becausethe (negative) income effect is larger than the substitution effect.
D.
good whose demand curve slopes downward because the (negative) income effect is as same as substitution effect.
【单选题】中式餐具比较常见但在实际使用中仍存在着大量不规范的现象。以下不属于筷子的使用禁忌的是( )
【单选题】A good is considered scarce in a society when
A.
more output of the good is possible.
B.
everyone in that society cannot have all they want of the good.
C.
the government restricts production of the good.
D.
only the richest people in the economy can buy all they want of the good.
【单选题】下列选项中,不属于航前准备会内容的是( )
A.
乘务长向乘务组成员介绍航班信息,提出执行航班任务要求
D.
乘务长领取《飞行任务书》,了解乘务组的人员情况
【单选题】An intermediate good is a good that is
A.
neither normal nor inferior.
C.
a stand-in for all goods.
D.
is tangible good that includes substantial services.
【单选题】If the income elasticity of demand for a good is greater than one, the good is:
A.
a noncyclical normal good.
B.
a cyclical normal good.
C.
neither a normal nor an inferior good.
【单选题】A good is considered scarce in a society when ( )
A.
more output of the good is possible.
B.
everyone in that society cannot have all they want of the good.
C.
the government restricts production of the good.
D.
only the richest people in the economy can buy all they want ot the good.
【简答题】近代汽车防抱制动系统一般包括 、 、 三部分。