these不是不能单独指代吗？

karma3001 · 发表于 2011-2-22 13:57:32

Besides adding complementary flavors tomany foods, hot sauces stimulate the release of

endorphins in the brain, just as exercisedoes, and these have a pain-relieving effect like

morphine's.

(A) hot sauces stimulate the release ofendorphins in the brain, just as exercise does, and these

have a pain-relieving effect likemorphine's

(B) hot sauces stimulate the release ofendorphins in the brain, like exercise, and they have a

pain-relieving effect that is likemorphine

(C) hot sauces and exercise bothstimulate the release of endorphins in the brain, and they have a

pain-relieving effect like morphine

(D) the release of endorphins in thebrain is stimulated both by hot sauces and exercise, and they

have a pain-relieving effect likemorphine's

(E) the release of endorphins in thebrain is stimulated by hot sauces, just as with exercise, and

these have a pain-relieving effect likethat of morphine

资料上的答案是a

Gail小M · 发表于 2011-2-22 14:25:03

these 指代不好，很有可能会有指代歧义和指代不清晰，一般的确不能单独指代，但也不能作为排除一个选项的唯一决定性理由！

此题中DE"Besides adding complentary flavors to many foods" is supposed to modify hot sauces, so D and E is out.
C：modify“ hot sauces and exercise ” rule out.

beween A and B, we should point out in B, it mentions“and they have a pain-relieving effect that is likemorphine”
wrong: it should be " they have a pain-relieving effect (that is) like morphine's" thus B is out

其实我觉得 A： these B :they 指代都不清晰
GT的错误选项不会只给你一个(一般情况下都错的)错误(such as these)，一定会给你一个或几个以上的决定性错误！

karma3001 · 发表于 2011-2-22 14:43:07

karma3001 · 发表于 2011-2-22 14:44:06

我一直以为these单独使用可以作为绝对排除选项看。

Gail小M · 发表于 2011-2-22 15:38:48

哈哈其实我也一般这么以为的毕竟这种情况很少的叻

these不是不能单独指代吗？

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