问题
选择题
After the new technique was introduced，the factory produced ________ cars in 2011 as the year before.
A．as twice many
B．as many twice
C．twice as many
D．twice many as
答案
答案：C
考查倍数表达法。倍数表达法：倍数 as 形容词原级 as…；本题名词为cars，使用many修饰。故C正确。句意：在新的激素被引进以后，这家工厂2011年生产的汽车是前年的2倍。