单项选择题

Alcohol is seldom used as an antifreeze because___________.

A．it boils away easily
B．it is too expensive
C．it becomes hot easily
D．it freezes easily
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单项选择题
Preston and Xerox are__________.
A．trade names of two kinds of alcohol
B．popular manes of car engines
C．liquids used for car engines
D．trade names of a kind of antifreeze
单项选择题
The writer and her husband went into the shop because ______.
A．they want to have their clothes washed
B．they want to buy the clothes they saw in it
C．they didn't know they went into the dry-cleaning shop
D．they liked the woman in it
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