181和187

Hippo

181.    Dr. Sayre’s lecture recounted several little-known episodes in the relations between nations that illustrates what is wrong with alliances and treaties that do not have popular support.
(A) relations between nations that illustrates
(B) relation of one nation with another that illustrates
(C) relations between nations that illustrate
(D) relation of one nation with another and illustrate
(E) relations of nations that illustrates
这里为是么不用between,而是one… another

187.    Based on the growth rates of large modern reptiles such as the Galapagos tortoise and examinations of fossils of juvenile dinosaurs, scientists estimate that the largest dinosaurs probably lived to be between 100 and 200 years old.
(A) Based on the growth rates of large modern reptiles such as
(B) On the basis of growth rates of large modern reptiles such as
(C) Based on the growth rates of large modern reptiles like
(D) On the basis of growth rates of large modern reptiles, like those of
(E) Based on such growth rates as those of large modern reptiles like
为是么是on the base of 而不是based on

另外，我以前考过GMAT, OG上的题目有印象但不深刻，该怎么复习呢，再读LZM的意义大不大呢？

gemj

187
scientists 不能based on 啊。要用也应该是basing.
逻辑错误。

znprc

relation between 只能这么用：　relation between A and B

cqgmat

The structure of the sentence is:
1.dr. sayre’s lecture recounted several little-known episodes in the relations and treaties .

2. relation of one nationa with another.

Of sure we can say ' relation between one nation and another nation that .... ' but no choice has this structure.