问题
选择题
After the new technique was introduced the factory produced ______cars in 1994 as the year before.
A．as twice many
B．as many twice
C．twice as many
D．twice as
答案
答案：C
倍数表达式：A+ be+倍数+ as +adj. / adv. (原级)+as +B。又如：The book is ten times as thick as that one。