【倍数表达法】倍数的五种表达法是什么

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【答案】 1)倍数＋形容词／副词比较级＋than
　　 【例如】
　　 The girl is ten times cleverer than her brother.
　　 2)倍数＋as+形容词／副词/(名词)＋as
　　 【例如】
　　 His apartment is three times as large as that of mine.
　　 Americans eat( )as they actually need every day. (CET-4 1998,6)
　　 A) twice as much protein
　　 B) twice protein as much twice
　　 C) twice protein as much
　　 D) protein as twice much本题考查倍数的表达方法,正确形式应为：倍数＋as+形容词／副词/(名词)＋as,故答案为A.
　　 3)倍数＋名词
　　 【例如】
　　 The sun is many times the size of the moon.
　　 4)动词＋倍数
　　 【例如】
　　 The pants have shortened two times since they were bought.
　　 5)动词+by+数词/百分比/倍数
　　 【例如】
　　 The landlord wanted to raise the rent by a third.
　　 Between 1974 and 1997, the number of overseas visitors expanded
　　 ( )27%. (CET-4 2000,1)
　　 A) by
　　 B) for
　　 C) to
　　 D) in
　　 本题考查动词+百分比的表达方法,正确的连接词为by,故答案为A.