Q13:

Today’s technology allows manufacturers to make small cars more fuel-efficient now than at any time in their production history.

1. small cars more fuel-efficient now than at any time in their
2. small cars that are more fuel-efficient than they were at any time in their
3. small cars that are more fuel-efficient than those at any other time in
4. more fuel-efficient small cars than those at any other time in their
5. more fuel-efficient small cars now than at any time in

答案选c，但是我觉得选d！不是说that不能加be+adj的吗？

请大家帮忙……

这个因为that后面修饰一大串东西,而原句make sth sth,这个sth是一大串东西,必

须用that限制性定语重句来表示,另外A有个致命的错误,就是than前后比较的东西是某

个时间,但是应该是比较cars

C中 that are more fuel-efficient 做cars的定语

D中more fuel-efficient small cars 改变了句子原意，their指代出现歧义