问题
选择题
After the new technology was brought in, the factory produced cars in
1999 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
考查倍数的表达。倍数要放在最前面，此题考查的结构为： twice as … as ,故答案选C 。