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晴天猪 · 发表于 2003-3-15 23:35:00

451.People who inherit the sicle cell aemia gene from only one parent (seem to be resistant to malaria,) an evolutionary advantage that may explain why a genetic condition so debilitating to many individuals has survived in the human population.
A.seem to be resistant to malaria
B.seemingly are resistant to malaria
C.seem to be resistant to malaria and have
D.seemingly are resistant to malaria and to have
E.are, it seems, resistant to malaria, and they have
The key is A. But if we choose A, since the modifier will embellish the word before it, the "malaria" will be "an evolution"?

459.The brain is something of a stimulus-reduction system, (a means to reduce, in order to comprehened, the nearly infinite) amount of stimuli that reach the senses at any given moment.
B.a means to reduce, in order to comprehend, the nearly infiniet number
The key is B. Interpretation,please.

462.(Where once the union had acquiesced to the prejudicesof its English-speaking membersby supporting) the imposition of an alien tax on immigrant workers, after 1897 the United Mine Workers made a determined effort to enlist Italians an Slaves in its ranks.
Structure,please.

山峰 · 发表于 2003-3-17 11:42:00

sunny piggy sis,

451 你搞错了一个概念：GMAT中代词不可代句子，但名词可以。类似现象很多，请注意归纳；

459 stimuli that reach....所以STIMULI是复数，---the number of

462, where once 用法，偶不清楚；请XDJM指点；

hope i make sense.

Robin · 发表于 2003-3-30 22:06:00

462,
1,after 1897决定了从句只能用过去完成时，排除了B,D
2,by ...通过...达到某种目的，合乎原句的意思。排除了c,e
where once我把它当作一个副词

1stzhang · 发表于 2003-3-31 11:11:00

451.People who inherit the sicle cell aemia gene from only one parent (seem to be resistant to malaria,) an evolutionary advantage that may explain why a genetic condition so debilitating to many individuals has survived in the human population.
A.seem to be resistant to malaria
B.seemingly are resistant to malaria
C.seem to be resistant to malaria and have
D.seemingly are resistant to malaria and to have
E.are, it seems, resistant to malaria, and they have

看看选项，可以把B\D容易地排除。我们比较A\C\E。比较A\C 可以发现C多了个have它的发出者是people,即people have an evolutionary advantage 是不合理的。反观a它的逻辑意思更为合理。E不但犯了和C一样的错误还十分的罗嗦。

459.The brain is something of a stimulus-reduction system, (a means to reduce, in order to comprehened, the nearly infinite) amount of stimuli that reach the senses at any given moment.
B.a means to reduce, in order to comprehend, the nearly infiniet number
这个题只考了一个知识点，stimuli是复数不能用amount of，amount of只能接不可数名词

462.(Where once the union had acquiesced to the prejudicesof its English-speaking membersby supporting) the imposition of an alien tax on immigrant workers, after 1897 the United Mine Workers made a determined effort to enlist Italians an Slaves in its ranks.
where once =because
但是这个题目可以不从这里入手。
当选项的划线部分的头尾为动词时可以从动词入手即support为突破点。可以直接扔掉B\C\E，因为他们用的是名词形式，在逻辑意思合理的情况下，优先动词的使用。比较A\D,发现时态不同，到底是用完成时还是一般过去呢？看主句的时态提示after 1897 .......made ......,那么显然分句的动作在前用过去完成时。如果不敢刚开始就扔bce也可以直接从时态入手。再用动词的优先性。

请各位指正！

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