相关题
843. The use of chemical pesticides in this country is equally
extensive or more so than ten years ago.
(A) equally extensive or more so than ten years ago
(B) equal to or more extensive than ten years ago
(C) as extensive as ten years ago or more
(D) equal to, if not more, than ten years ago（E）
(E) as extensive as it was ten years ago, if not more so
这个题我选的是B，错误的原因似乎就是因为than后面不能加时间状语地说。。
| 
