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    精英家教网 > 高中英语 > 题目详情
    After the new technique was introduced， the factory produced _______ tractors in 1988 as the year before.
    A．as twice manyB．as many asC．as twice as manyD．twice as many
    D

    试题分析：考查倍数表达法。倍数表达法：倍数+as形容词/副词原级as…倍数一直放在as的前面。本题的many修饰cars。句意：在新的技术被引进以后，2010年这家工厂生产的汽车是以前的2倍。故D正确。
    点评：倍数表达要牢记，倍数表达法是高中英语教学的重点，也是历届高考的热点。当我们要表达甲是乙的几倍时，通常用句型来表示： “A+倍数+形容词或副词的比较级+than+B”，表示“A比B大（长、高、宽等）多少倍”。2.“A+倍数+as+形容词或副词的原级+as+B”，表示“A正好是B的多少倍”。 3. “A+倍数+the size /height /length /width，+of+B”，表示“A正好是B的多少倍”。4.“……times+what+从句”。
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