＜本文发表于: 相约加拿大:枫下论坛 www.rolia.net/forum ＞
1、____as 25000 B.C, The Egyptians used mirrors made of highly polished metal.
a. In early
b. As early
c Early
d Was as early

答案是B，我怎么觉得是C，能解释一下吗？

2、Physical fitness (activities) can lead to an alarming variety of (injuries) if participants push (themselves) (greatly) hard. 为什么这里greatly 错？

3、At the Seventh International Ballet Competitions, Ferando Bujones won the first gold medal ever ______ to a US male dancer.
a. to be awarded
b to award
为什么选A？

4、一道改错题里的 so few cars是不是应该改成 so few cars ?

5、Until the 1910 (formation) of the National Hockey Association in eastern Canada, (professional and amateur) teams (were allowed) to play (fully) together. 为什么fully错？

6、(Because of its) maneuverability and ability (to land) and take off in (small areas), The helicopter is used (in wide) range of services 为什么in wide错？

7、Colleges in the newly formed US, in (recovering) from the adverse (effects) of the American Revoluntion, inaugurated (a broad) curriculum in (response) of social demands. 这里response前面要加 the ？

8、extent的修饰词是 little extent 还是 small extent ？

9、**** of *****这种名词是不是看后面的*****的单复数？
＜本文发表于: 相约加拿大:枫下论坛 www.rolia.net/forum ＞