单项选择题

Specialization is encouraged because _________.

A．people can use their money to buy whatever they want
B．people do not need to make a complete product for exchange
C．people make a great contribution to the manufacture of a product
D．people cannot use their money to buy whatever they want

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热门试题

单项选择题

Why does the auctioneer decide to sell the lots out of their numerical order.'

A．He wants to confuse some dealers and make them bid the highest price.
B．He can hold back certain goods until the interested dealers arrive.
C．He wants to keep certain people waiting in order to reduce the number of buyers.
D．He is sometimes bribed by certain dealers who want to buy certain articles cheap.

单项选择题

The reason why even the best auctioneer cannot stop the knock-out is that _________.

A．he has been deeply involved in it
B．the dealers do not know the true value of the article
C．he is not familiar with the regular buyers of the goods
D．the dealers make the arrangement behind his back