After the new type of rice was introduced, the farmers produced rice this year as last ye

After the new type of rice was introduced, the farmers produced rice this year as last year.
A. as twice much as
B. twice as much as
C. twice much as
D. twice as much

A. as twice much asB. twice as much asC. twice much as (答案→)D. twice as much解析：这题考查倍数的表达，“A is+倍数+as+adj+as+B”，句意是：在新型的水稻被引进之后，农民们今年的水稻产量是去年的两倍。

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