Much to his surprise，he invited only twenty friends to the dinner，but____ came．
A.twice as many as
B.as many as twice
C.twice as many
D.twice more than
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C解析试题分析：考查倍数表达。倍数表达有四种：1. “A+倍数+形容词或副词的比较级+than+B”， 2.“A+倍数+as+形容词或副词的原级+as+B”， 3. “A+倍数+the size/height/length/width， etc+of+B”， 4. “……times+what从句”。以上的4种情况中，倍数都要放在最前面，故B错误；more than是修饰twice的，要放在twice的前面。故D项错误。本题中提及的是名词friends，故使用many修饰。A项的第二个as是多余的。故C正确。考点：考查倍数表达法点评：倍数表达是高考常考内容，倍数表达要牢记，倍数表达法是高中英语教学的重点，当我们要表达甲是乙的几倍时，通常用句型来表示：1. “A+倍数+形容词或副词的比较+than+B”，表示“A比B大（长、高、宽等）多少倍”。如：This rope is twice longer than that one. 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”。如：Asia is four times as large as Europe. 亚洲的面积是欧洲的四倍。3“A++the size/height/length/width， etc+of+B”，表示“A正好是B的多少倍”。如：This street is four times the length of that one.4.“……times+what+从句”。如The production is now three times what it was ten years ago.