问题
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The advantage of a centrifugal pump as compared with a reciprocating pump is that _____.
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The current death rate is reduced _______ 10% compared with that of the year of 1980.A
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Compared with a painter of unpleasant subjects, a painter who draws a lake in moonlight is
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Compared with fridge and TV,driving a ear wastes a lot of energy.
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Compared with 1980s, what is the biggest development of portable computers in 1990s?A.They
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Compared with 1980, what was the cost of insurance claims in 1981?A.It stayed at the same