求助prep07语法题一道！

铭HAO

59. (27556-!-item-!-188;#058&003603)
An international group of more than 2,000 scientists project an average global warming that will be between 1.8 and 6.3 degrees Fahrenheit by the year 2000.
(A) project an average global warming that will be between 1.8 and
(B) project an average global warming to be from 1.8 to
(C) project global warming that will average between 1.8 and
(D) projects global warming to average from 1.8 to
(E) projects an average global warming of between 1.8 and


这道题选E，但是我个人感觉E中的of是不是多余了呢，我说不上语法上有什么问题，但是感觉两个介词连起来好像很奇怪

bejamin1111

很好滴解释，share给你:
the average is a fixed number. It is not a range.

Imagine someone average GMAT score is 730 (in multiple attempts).

We can say: His average score is between 720 and 740. CORRECT

But we can’t say: His average score is from 720 to 740. INCORRECT

lisney

A of B ....的中心词是A，，，就可以解释这里的Of了。。

铭HAO

thx~~~~~~~~~~~

铭HAO

lisney 发表于 2013-4-24 18:57
A of B ....的中心词是A，，，就可以解释这里的Of了。。

这么讲同意！thx~~~~