问题
选择题
With the help of the foreign experts, they produced ___ washing machines in 2003 as the year before.
A．as twice many
B．as twice as many
C．as many as twice
D．twice as many
答案
答案：D
考查倍数表达。倍数表达方法：倍数+as+形容词+as，结合下文as，可知选D。