After the new technique was introduced ,the factory produced ________ tractors in 1988 as the year before.A.as twice many.B.as many twice.C.twice as many.D.twice many is.

After the new technique was introduced ,the factory produced ________ tractors in 1988 as the year before.A.as twice many.B.as many twice.C.twice as many.D.twice many is.
After the new technique was introduced ,the factory produced ________ tractors in 1988 as the year before.
A.as twice many.B.as many twice.
C.twice as many.D.twice many is.

After the new technique was introduced ,the factory produced ________ tractors in 1988 as the year before.A.as twice many.B.as many twice.C.twice as many.D.twice many is.
选择C
the factory produced __twice as many______ tractors in 1988 as the year before.
翻译成 工厂在1998年生产的拖拉机是1997年的俩倍.
句中的twice是个副词,twice as many as .是个句型,应该这样用的

B. as many twice.

C. twice as many 为正确选项。
第一个as是副词，后面紧跟着形容词，倍数，分数放在as前面。即：倍数/分数+as+adj+as 。。。

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