OG239

margaret1013

Organized in 1966 by the Fish and Wildlife Service, the Breeding Bird Survey uses annual roadside counts along established routes for monitoring of population changes of as many as. or of more than 250 bird species, including 180 songbirds.

(A) for monitoring of population changes of as many as, or of

(B) to monitor population changes of as many, or

(C) to monitor changes in the populations of

(D) that monitors population changes of

(E) that monitors changes in populations of as many as, or

The answer is C.

But,

Do you guys always say that we can not change the origianl meaning of the sentence? "As many as, or more than" does not have the same meaning as "more than" , right?

Need explanation.

(Sorry I can not input Chinese)

[此贴子已经被作者于2004-11-4 6:02:38编辑过]