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四级中五种倍数常见表示方法

　　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/＋as

　　【例如】

　　His apartment is three times as large as that of mine. Americans eatas they actually need every day.

　　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/＋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%.

　　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.

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