问题
选择题
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
答案
答案：D
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。