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作者: yangyalong    时间: 2007-11-22 21:33
标题: [求助]

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Though certain breeds of dog are renowned for their sense of smell, there is often a greater difference in scenting ability between two members of a single breed as there is between members of different breeds.

 

(A) is often a greater difference in scenting ability between two members of a single breed as there is

(B) is often more difference in scenting ability between two members of a single breed as to find one

(C) is often a greater difference in scenting ability between two members of a single breed than

(D) are often greater differences in scenting ability between two members of a single breed as there are

(E) are often greater differences in scenting ability between two members of a single breed than there is

答案C 为什么呢?麻烦大家了


作者: 悠悠闲人    时间: 2007-11-22 22:13

A: is often a greater difference in ... as .... 不对 应该是 is  a greater difference in ... than ...
B: is often more difference in scenting ability  should be: there are more different. or is often more differenc in ... 也对,我也说不好,觉得怪怪的。
C: is often a greater difference in scenting ability between two members of a single breed than  (in scenting ability省略)
                between members of different breeds
D
are often greater differences in scenting ability between two members of a single breed  as there are should be 'than '
E: are often greater differences in scenting ability between two members of a single breed than there is should be 'than'

拙见,仅供参考。


作者: ssyy23    时间: 2011-9-11 17:25
这道题如何区分is和are呢




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