GRE模拟题：自测试题三（9）

文章作者 100test 发表时间 2007:02:25 20:06:47
来源 100Test.Com百考试题网

25. The passage suggests that which of the following is

　　true of the structure of cycad cones？

　　（A） The structure of cycad cones provides conclusive

　　evidence in favor of one particular explanation

　　of cycad pollination.

　　（B） The structure of cycad cones provides evidence

　　concerning what triggers the first step in the

　　pollination process.

　　（C） An irresolvable discrepancy exists between what

　　the structure of most male cycad cones suggests

　　about cycad pollination and what the structure of

　　most female cones suggests about that process.

　　（D） The structure of male cycad cones rules out a

　　possible mechanism for cycad pollination that is

　　suggested by the structure of most female cycad

　　cones.

　　（E） The structure of male cycad cones is consistent

　　with a certain means of cycad pollination， but

　　that means is inconsistent with the structure of

　　most female cycad cones.