8. Today’s technology allows manufacturers to make small cars more fuel-efficient now than at any time in their production history.
(A) small cars more fuel-efficient now than at any time in their
(B) small cars that are more fuel-efficient than they were at any time in their
(C) small cars that are more fuel-efficient than those at any other time in
(D) more fuel-efficient small cars than those at any other time in their
(E) more fuel-efficient small cars now than at any time in
15 In 1990’s, there are more babies born by women over thirty years old than under it.
(A) than under it
(B) than were they under it
(C) than had been under it
(D) than were the babies
(E) than those were under it
做了不少比较结构的题目,仍然做错.不知道该省略什么不该省略什么.可否以上面两题为例,请各位牛牛指点迷津!
如果例子不够典型,请各位再举些例子,讲得尽量详细些.
这个问题实在是困扰了我很长时间,即使听了xdf的讲解还是会错
在此谢谢各位!
http://forum.chasedream.com/dispbbs.asp?boardID=23&ID=43981&page=1
参考一下。。。
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