问题补充:
China has producedthis year as it did in 1996.
A. as much steel twice
B. as twice much steel
C. twice steel as much
D. twice as much steel
答案:
A. as much steel twice
B. as twice much steel
C. twice steel as much
(答案→)D. twice as much steel
解析:本题考查倍数表达方法:倍数+as+形容词/副词+as+比较对象。