单项选择题

Which of the following examples BEST reflects a cost to society as defined in the passage

A．A family buying a dog.
B．Eating in a restaurant instead of at home.
C．Using land for a house instead of a park.
D．Staying at home instead of going to school.

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热门试题

单项选择题

What determines the price of a good in a market economy

A．The cost of all elements in production.
B．The cost of not making other goods.
C．The efficiency of the manufacturing process.
D．The quantity of materials supplied.

单项选择题

Don Cameron's company______.

A．is the only one of its kind in Britain
B．made the first balloon in Europe
C．has made most of the balloons in Britain
D．is now the largest in the world