求教OG Verbal SC 92

Leonyc · 发表于 2012-4-15 04:01:40

OG Verbal SC 92

Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enlarged the habitat of ( the freshwater snails that are the parasite's hosts for part of its life cycle. )

(A) the freshwater snails that are the parasite's hosts for part of its life cycle
(B) the freshwater snails that are the parasite's hosts in part of their life cycle
(C) freshwater snails which become the parasite's hosts for part of its life cycles
(D) freshwater snails which become the hosts of the parasite during the parasite's life cycle
(E) parasite's hosts, freshwater snails which become their hostsduring their life cycles

答案是A。我当时选了B，后来一看their 和 life cycle 单复数不一致，貌似是这题的突破口。
这是OG对B错误选项的解释：The preposition IN is inappropriate for expressing duration; the plural possessive pronoun THEIR does not agree with the singular antecedent PARASITE. 我看了OG的解释以后问题又来了。
1. B里面的 in part of their life cycle 如果是修饰snails的话， in的用法应该没问题吧。从语义上好像也没有明确的指引这个pronoun到底是指代parasite 还是 snails.
2. 从A选项可以得出，A is B's host for B's life用for. 如果想表达duration in A's life, 应该用A is B's host for A's life 还是 A is B's host in A's life ？
3. A选项里面的parasite's hosts for part of its life cycle貌似和manhattan GMAT SC里的概念不一致。在MG里面pronoun的部分讲过pronoun的指代不优先possessive的形式，从这点看A反而不如B好。。到底在GMAC的标准里有没有这个preference?

求大牛请现身解惑！

Livia1230 · 发表于 2012-4-15 04:56:43

我认为哈，its life cycle 中的its 是指代the parasite
要从句意上理解，主谓一致

cadylql · 发表于 2012-4-15 05:13:04

cope from manhattan (Ron):

* "Schistosomiasis" and "it" are both SUBJECTS --> they are parallel --> we'll tolerate the ambiguity.
* "parasite's" and "its" are both POSSESSIVES --> they are parallel --> we'll tolerate the ambiguity.

REMEMBER -- PRONOUN AMBIGUITY IS NOT AN ABSOLUTE RULE.
NOT ALL AMBIGUOUS PRONOUNS ARE INCORRECT.

泾渭不凡 · 发表于 2012-4-15 05:16:30

cope from manhattan (Ron):

* "Schistosomiasis" and "it" are both SUBJECTS --> they are parallel --> we'll tolerate the ambiguity.
* "parasite's" and "its" are both POSSESSIVES --> they are parallel --> we'll tolerate the ambiguity.

REMEMBER -- PRONOUN AMBIGUITY IS NOT AN ABSOLUTE RULE.
NOT ALL AMBIGUOUS PRONOUNS ARE INCORRECT.

-- by 会员 cadylql (2012/4/15 5:13:04)

+1
pronoun ambiguity is not an absolute rule
the gmat will tolerate pronoun ambiguity when both of the following are satisfied:
1. the intended referent makes much more sense than do the other possible referents,
and
2. the intended referent is PARALLEL TO THE PRONOUN, and the other possible referents are NOT parallel to the pronoun.

泾渭不凡 · 发表于 2012-4-15 05:18:12

OG Verbal SC 92

Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enlarged the habitat of ( the freshwater snails that are the parasite's hosts for part of its life cycle. )

(A) the freshwater snails that are the parasite's hosts for part of its life cycle
(B) the freshwater snails that are the parasite's hosts in part of their life cycle
(C) freshwater snails which become the parasite's hosts for part of its life cycles
(D) freshwater snails which become the hosts of the parasite during the parasite's life cycle
(E) parasite's hosts, freshwater snails which become their hostsduring their life cycles

答案是A。我当时选了B，后来一看their 和 life cycle 单复数不一致，貌似是这题的突破口。
这是OG对B错误选项的解释：The preposition IN is inappropriate for expressing duration; the plural possessive pronoun THEIR does not agree with the singular antecedent PARASITE. 我看了OG的解释以后问题又来了。
1. B里面的 in part of their life cycle 如果是修饰snails的话， in的用法应该没问题吧。从语义上好像也没有明确的指引这个pronoun到底是指代parasite 还是 snails.
2. 从A选项可以得出，A is B's host for B's life用for. 如果想表达duration in A's life, 应该用A is B's host for A's life 还是 A is B's host in A's life ？
3. A选项里面的parasite's hosts for part of its life cycle貌似和manhattan GMAT SC里的概念不一致。在MG里面pronoun的部分讲过pronoun的指代不优先possessive的形式，从这点看A反而不如B好。。到底在GMAC的标准里有没有这个preference?

求大牛请现身解惑！

-- by 会员 Leonyc (2012/4/15 4:01:40)

求问第二点~求详解~

babybearmm · 发表于 2012-4-15 06:22:35

OG Verbal SC 92

Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enlarged the habitat of ( the freshwater snails that are the parasite's hosts for part of its life cycle. )

(A) the freshwater snails that are the parasite's hosts for part of its life cycle
(B) the freshwater snails that are the parasite's hosts in part of their life cycle
(C) freshwater snails which become the parasite's hosts for part of its life cycles
(D) freshwater snails which become the hosts of the parasite during the parasite's life cycle
(E) parasite's hosts, freshwater snails which become their hostsduring their life cycles

答案是A。我当时选了B，后来一看their 和 life cycle 单复数不一致，貌似是这题的突破口。
这是OG对B错误选项的解释：The preposition IN is inappropriate for expressing duration; the plural possessive pronoun THEIR does not agree with the singular antecedent PARASITE. 我看了OG的解释以后问题又来了。
1. B里面的 in part of their life cycle 如果是修饰snails的话， in的用法应该没问题吧。从语义上好像也没有明确的指引这个pronoun到底是指代parasite 还是 snails.
2. 从A选项可以得出，A is B's host for B's life用for. 如果想表达duration in A's life, 应该用A is B's host for A's life 还是 A is B's host in A's life ？
3. A选项里面的parasite's hosts for part of its life cycle貌似和manhattan GMAT SC里的概念不一致。在MG里面pronoun的部分讲过pronoun的指代不优先possessive的形式，从这点看A反而不如B好。。到底在GMAC的标准里有没有这个preference?

求大牛请现身解惑！

-- by 会员 Leonyc (2012/4/15 4:01:40)

求问第二点~求详解~

-- by 会员泾渭不凡 (2012/4/15 5:18:12)

这个就是靠理解意思，然后就能逻辑上判断该是for，而不是in
in仅仅表示时空的界定，比如 in 2012, in China
但for表示一种characterization, 比如
This product was developed for the Chinese market.
这里就要用for表示针对the Chinese market，如果用"in"那就仅仅是说研发所位于的地点（这里就non-sense啦）

这道题也是这么理解的，寄居标志着part of its life cycle
所以必须用for表示characterization
如果用in，如OG所说expressing duration

"从语义上好像也没有明确的指引这个pronoun到底是指代parasite 还是 snails"
这个能读出来的，联系全句的意思，是个因果关系，前文关心的是"a disease caused by a parasitic worm"，因此这个pronoun只有指代parasite's才能make sense.

Leonyc · 发表于 2012-4-15 07:30:38

问题3已经解决。manhattan GMAT论坛上Ron对于possessive posion rule的评论：

this is a misinterpretation of the "possessive poison rule".
that rule ONLY forbids a NON-POSSESSIVE PRONOUN from standing for a POSSESSIVE NOUN.

ALL other combinations --
(1) non-possessive noun, non-possessive pronoun;
(2) non-possessive noun, possessive pronoun;
(3) possessive noun, possessive pronoun --
are OK.

this is case (3).

in general, you are better off forgetting all about the "possessive poison" rule.

it has so far been the deciding factor in exactly zero official problems.
worse yet, it is well known to confuse people (look at what happened to you here!)

尤其是最后两句话。。汗。。。

加上饭饭的引用：
pronoun ambiguity is not an absolute rule
the gmat will tolerate pronoun ambiguity when both of the following are satisfied:
1. the intended referent makes much more sense than do the other possible referents,
and
2. the intended referent is PARALLEL TO THE PRONOUN, and the other possible referents are NOT parallel to the pronoun.

泾渭不凡 · 发表于 2012-4-15 09:06:45

2. 从A选项可以得出，A is B's host for B's life用for. 如果想表达duration in A's life, 应该用A is B's host for A's life 还是 A is B's host in A's life ？
3. A选项里面的parasite's hosts for part of its life cycle貌似和manhattan GMAT SC里的概念不一致。在MG里面pronoun的部分讲过pronoun的指代不优先possessive的形式，从这点看A反而不如B好。。到底在GMAC的标准里有没有这个preference?

求大牛请现身解惑！

-- by 会员 Leonyc (2012/4/15 4:01:40)

求问第二点~求详解~

-- by 会员泾渭不凡 (2012/4/15 5:18:12)

这个就是靠理解意思，然后就能逻辑上判断该是for，而不是in
in仅仅表示时空的界定，比如 in 2012, in China
但for表示一种characterization, 比如
This product was developed for the Chinese market.
这里就要用for表示针对the Chinese market，如果用"in"那就仅仅是说研发所位于的地点（这里就non-sense啦）

这道题也是这么理解的，寄居标志着part of its life cycle
所以必须用for表示characterization
如果用in，如OG所说expressing duration

"从语义上好像也没有明确的指引这个pronoun到底是指代parasite 还是 snails"
这个能读出来的，联系全句的意思，是个因果关系，前文关心的是"a disease caused by a parasitic worm"，因此这个pronoun只有指代parasite's才能make sense.

-- by 会员 babybearmm (2012/4/15 6:22:35)

谢谢baby姐~~明白咯~~~

Leonyc · 发表于 2012-4-15 09:29:16

恩，谢谢baby姐的解答

。

我回头问下我室友关于问题2的AB互换的可行性

Leonyc · 发表于 2012-4-16 03:15:04

OG Verbal SC 92

Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enlarged the habitat of ( the freshwater snails that are the parasite's hosts for part of its life cycle. )

(A) the freshwater snails that are the parasite's hosts for part of its life cycle
(B) the freshwater snails that are the parasite's hosts in part of their life cycle
(C) freshwater snails which become the parasite's hosts for part of its life cycles
(D) freshwater snails which become the hosts of the parasite during the parasite's life cycle
(E) parasite's hosts, freshwater snails which become their hostsduring their life cycles

答案是A。我当时选了B，后来一看their 和 life cycle 单复数不一致，貌似是这题的突破口。
这是OG对B错误选项的解释：The preposition IN is inappropriate for expressing duration; the plural possessive pronoun THEIR does not agree with the singular antecedent PARASITE. 我看了OG的解释以后问题又来了。
1. B里面的 in part of their life cycle 如果是修饰snails的话， in的用法应该没问题吧。从语义上好像也没有明确的指引这个pronoun到底是指代parasite 还是 snails.
2. 从A选项可以得出，A is B's host for B's life用for. 如果想表达duration in A's life, 应该用A is B's host for A's life 还是 A is B's host in A's life ？
3. A选项里面的parasite's hosts for part of its life cycle貌似和manhattan GMAT SC里的概念不一致。在MG里面pronoun的部分讲过pronoun的指代不优先possessive的形式，从这点看A反而不如B好。。到底在GMAC的标准里有没有这个preference?

求大牛请现身解惑！

-- by 会员 Leonyc (2012/4/15 4:01:40)

求问第二点~求详解~

-- by 会员泾渭不凡 (2012/4/15 5:18:12)

我刚才问了我一个犹太室友（只会英文），之前V好像是42+吧
问题2， A和B可以互换，意味着类似的句子无视谁的cycle都是用for. 他说in用在这类句子中很怪。

根据他的回答，我加入了点自己的理解：
在这种两者逻辑关系比较紧密地句子for比较好的表达了duration；而in更多的是时间段中的某一个point，对两者的逻辑关系表达不明确，更多的在表达coexsit。

本贴相关题目 GMATPrep-2007E2-SC-127 | TN-16-SC-29 (BMJU)

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