单项选择题

At an auction, a bidder may get an item at a low price if he______.

A．beats others in the bidding
B．promises to sell the item again later
C．can fix a "reserve" price
D．reaches some agreement beforehand with other prospective buyers

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热门试题

单项选择题

A good way to cure the disease is by______.

A．eating more meat
B．eating more starch
C．taking the proper medicine
D．drinking pure water

单项选择题

One difficulty in discovering kwashiorkor is that______.

A．it has no viruses
B．it is like other diseases
C．it is hard to see signs of it
D．it does not last long