今天一位760大牛遇到的语法题，大家看看

古镯

E

主从句逻辑意思一致

dajiao

I agree iceyer, and I choose E

buddyk

The surface cells of some species of frogs and ... can release chemicals when predators seize them.
A) when predators seize them
B) 记不清楚
C) when predators seize the animals
d)不记得。反正错
E) when the animals are seized by their predators.

N人说C中predators前面不加their才有歧义呵呵

nhgalaxy

我是个新手。

我觉得应该选E吧。因为整句话其实都在讲青蛙以及其身上的事情，句子是以这个作为重点，而且E的语法上没有什么缺陷，反而C中从句的突然改成predators，感觉比较错愕。另外Predators前面没有修饰语，好像比较违背ETS语言逻辑严密的作风（变成了泛指）。

各位大哥认为呢？

Magen2004

cool... to use Google to find the original sentence...

cranberry

支持e，虽然是被动，但感觉两个主语一致，c中这个animals的感觉似乎不好，但我觉得，google上的句子应该不能做数，毕竟ets的要求是特别的

rhod

居然发现只有LES选C, 我来支持一下LES. 我认为主动优先，C选项里面主谓宾逻辑关系都很清楚。

E错误:

1. E里面没有必要用被动。

2. 这题明显考到了代词的指代，A里面的them, E里面的their都有指代不清的嫌疑。逻辑意思是GMAT里很重要的一个考点，但是在考虑逻辑意思之前，建议先考虑一下指代这个在GMAT里面更common的考点.

dennis19790924

I will choose E, definitely. the subjects are more consistent in E.

gztanwei

c的animals和frog的意义不同。

e比较好。

tianwan

I stand with LES and rhod.

In the test I will choose C, C looks concise and better than E with active voice.  I simply couldn't see any fallacy of the logic sense of choice C in exam.

However, I will still vote for C after careful scrutiny. I still can't see anything wrong in C. The article "the" is correct, it explicitly refers to the frogs and other animals mentioned before. The "when" clause just tells the time when the action of the main clause occurs. I deem this choice is simply free of grammatic and logic faults.

I think the "their" in E can explicitly refer to "the animals", because "their" and "the animals" are in the same clause. So there is nothing wrong with the referent of "their". I think E is wrong because of some other reasons: Besides E uses passive voice, E has another problem -  "their predator" may cause misunderstanding. As we know, genitive case(or possessive case也就是属格)  can represent 所有关系，主谓关系，动宾关系和同位关系等. Here,  "their predator" may be 主谓关系, i.e. , the predators that are attacking them, or 所有关系，i.e.，the predators that normally eat them.

1. Therefore, though these various meanings are not critical in common articles,  ETS may want the exma takers to know this subtle different usages of genitive case.

2. .And as I always mentioned, the choice with the most attractive appearance may be a beautiful trap. E sounds smoother and more fluent than C, thus in this difficult subject, E is more likely to be a wrong choice.

For your reference only, open to discussion......

[此贴子已经被作者于2004-11-7 22:42:32编辑过]