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After the new technique was introduced, the factory produced______ tractors in 1998 as the year before.

  A. as many twice   B. as twice as many  C. twice as many   D. twice many as

C


解析:

新的技術引進之后,工廠生產的拖拉機是1998年的兩倍。 as…as 比較級的修飾語應該放在比較級的前面。

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