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标题: 请教代词指代一道超牛语法题 [打印本页]

作者: luyinan    时间: 2008-7-9 09:58
标题: 请教代词指代一道超牛语法题

Besides adding complementary flavors to many foods, hot sauces stimulate the release of
endorphins in the brain, just as exercise does, and these have a pain-relieving effect like
morphine's.
(A) hot sauces stimulate the release of endorphins in the brain, just as exercise does, and these
have a pain-relieving effect like morphine's
(B) hot sauces stimulate the release of endorphins in the brain, like exercise, and they have a
pain-relieving effect that is like morphine
(C) hot sauces and exercise both stimulate the release of endorphins in the brain, and they have a
pain-relieving effect like morphine
(D) the release of endorphins in the brain is stimulated both by hot sauces and exercise, and they
have a pain-relieving effect like morphine's
(E) the release of endorphins in the brain is stimulated by hot sauces, just as with exercise, and
these have a pain-relieving effect like that of morphine

请问B选项they到底指代谁? 答案说they指代不清。答案选A,那么A中的these又指代谁?these前面不也有好多复数名词吗?指代有什么原则吗?  

 谢谢  急问


作者: dingxiang    时间: 2008-7-9 10:02

请你把题号写上,

这个是大全的题目吧

另外把正确答案写上


作者: luyinan    时间: 2008-7-9 10:07

正确答案是A 

我就是想知道A中的these 和B中的they 到底都可以指代谁?


作者: GmatThunder    时间: 2008-7-9 11:46

(A) hot sauces stimulate the release of endorphins in the brain, just as exercise does, and these
have a pain-relieving effect like morphine's
(B) hot sauces stimulate the release of endorphins in the brain, like exercise, and they have a
pain-relieving effect that is like morphine

prep后面的牛蹄啊!

AB的these/they指代由于前面都有两个名词可指,sauces/endorphins,所以在指代上他们无所谓优劣。比较后面,一个是like morphine's,另一个是 that is like morphine,高下立见。效果只能和吗啡的效果比,而不能和吗啡对比,因此B错了。

顺带说一句,指代上并不歧义。因为是and连接的两个主句,代词出现在后者的主语位置上,根据平行,这个代词优先指代前句的主语,指代endorphins的可能性非常小,因为它的语法作用只是一个介词的宾语。


作者: readerfan    时间: 2009-7-1 22:40

they应该指代的是endorphins.

1.       gmat中代词一般都是就近指.

2.       代词被允许跳跃指代一般是这两种情况。

1).代词出现在that宾语从句里,作主语。则代词指代主句主语

2).代词出现在when/while/although等连词引导的状语从句里,作主语。则代词指代主句主语.

3.   其他的所有情况,一般都是就近指代.

    上题当中,A/B的these/they不在宾从,也不在状从。应该就近指代endorphins.而且从逻辑意义来看,

应该是endorphin有缓解痛苦的效果。

顺便请教NN一下like the morphine's,如果放在句首并用逗号隔开,要求主句的主语能够和like后n.可比。

虽然在此题中,like the morphine's修饰effect.不知道like the morphine's放在句末,但从语法上看可能被要求

和主句的hot sauces比较吗?


[此贴子已经被作者于2009-7-1 22:42:52编辑过]





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