问题
选择题
After the new technique was introduced, the factory produced _____ cars in 2010 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 adj(原级) as…;倍数永远放在最前面。形容词后面可以由修饰的名词。句意：引进新技术以后，这家工厂在2010年生产的汽车是以前的两倍。故C正确。