【求助】Comparisons 不是要 structurally parallel吗为什么prep这道题根本就不是这样求指点

屡败屡战 · 发表于 2012-7-18 11:40:53

这道题是prep的
To meet the rapidly rising market demand for fish and seafood,suppliers are growing fish twice as fast as their natural growth rate, cutting their feed allotment by nearly half and raising them on special diets.

(A) their natural growth rate, cutting their feed allotment
(B) their natural growth rate, their feed allotment cut
(C) growing them naturaly, cutting their feed allotment
(D) they grow naturally, cutting their feed allotment
(E) they grow naturally, with their feed allotment cut

我觉得既然要比较对象结构平行
就要选C

可是答案是D 说是表现了原句的逻辑意思，既供应商养殖鱼类的生长速度和鱼类自然生产速度作比较

jeffery2541 · 发表于 2012-7-18 12:36:42

本身growing them naturally在表达的逻辑意思上就有问题，应该是fish grow naturally，而不是grow them naturally，如果是grow them就根本不是naturally，naturally的是fish grow；
再说比较问题，比较的是suppliers are growing fish 和fish grow，是两个句子的比较，也可是说是谓语的比较，因为两个as之间是fast。

屡败屡战 · 发表于 2012-7-18 12:38:25

Manhattan 上面说 Comparisons must be structurally parallel. That is, they must have a similar grammatical structure.举得例子是
Wrong:I like to run through forests more than Ienjoy walking through crowds
Right: I like running through forests MORE THAN walking through crowds.

关于这道Prep题，are growing fish twice 和正确选项里的they grow naturally 怎么structurally parallel啊

屡败屡战 · 发表于 2012-7-18 12:45:09

哦我也觉得应该是fish自己grow 可是 suppliers are growing fish twice as fast 是未划线部分应该是正确的后面继续说 growing them也不应该错

哦比较的是谓语但是结构不需要平行吗

屡败屡战 · 发表于 2012-7-19 15:55:35

自己顶

miffyhui · 发表于 2012-7-19 16:33:34

个人认为，like/unlike的比较必须形式绝对平行，其他的要求比较松！C项有明显的逻辑问题，直接排除

jeffery2541 · 发表于 2012-7-19 19:01:39

哦我也觉得应该是fish自己grow 可是 suppliers are growing fish twice as fast 是未划线部分应该是正确的后面继续说 growing them也不应该错

哦比较的是谓语但是结构不需要平行吗

-- by 会员屡败屡战 (2012/7/18 12:45:09)

suppliers are growing fish twice as fast 这句话是未划线，肯定是正确的，很对，可这不说明grow them naturally就正确，我们要根据意思来判断的，grow them naturally就是一个错误的表述。以这样的逻辑和方法来推测划线部分的正确性是行不通的，最多作为我们思路的佐证，不是你做出选择的根本原因。

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“Manhattan 上面说 Comparisons must be structurally parallel. That is, they must have a similar grammatical structure.举得例子是
Wrong:I like to run through forests more than Ienjoy walking through crowds
Right: I like running through forests MORE THAN walking through crowds.”
我们可以理解一下，你引用的这个例子：
1 Wrong:I like to run through forests more than Ienjoy walking through crowds.
这里的错误在于，more应该是说like A多过B，而按照这个句子，这里的A就是to run through forests ，B是I enjoy walking through crowds，一个不定式和一个句子比较，结构显然不对等。
我们可以这样改正确 I like to run through forests more than to walk through crowds.
或者 I enjoy running through forests more than walking through crowds.（当然，这句意思上有些变化，只是为了说明结构问题）
改后的都避免了原先结构上的不足，同时逻辑意思上也很对。

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当然，我原先说是谓语的比较，这是我表达上的问题。
不妨再来看一下D的比较为什么结构平行了，或者看看我们应该怎么样理解结构平行。
suppliers are growing fish twice as fast as they grow naturally
先问自己一个问题，fast指的是什么fast，是可以被fast修饰的动词。是suppliers are growing fish fast，是fish naturally grow fast.这样就弄清楚比较的对象了。就是suppliers are growing fish 和fish naturally grow （当然需要调整语序，就是副词位置）。
还有就是为什么是结构平行呢？两个对象都是主谓的结构，所以平行（能起到相同的语法功能），结构平行并不一定是比较对象的结构相同或类似。其实，比较对象结构的平行是为了确保逻辑意思的正确，准确，合情合理。
楼主感觉D不平行的原因可能是D中比较对象的结构不是单一的一个不定式、宾语、主语，而是一个带有主语的谓语（姑且这么表示吧），结构不是那么单一，所以可能感觉不平行，但其实都是主谓的结构，当然平行。

P.S.：我的表达方式可能不是很好明白，请楼主见谅。

miffyhui · 发表于 2012-7-20 15:49:58

Despite recent increases in sales and cash flow that have propelled automobile companies' common stocks to new highs, several industry analysts expect automakers, in order to conserve cash, to set dividends more conservatively than they were
A. to set dividends more conservatively than they were
B. to set dividends more conservatively than they have been
C. to be more conservative than they have been in setting dividends
D. that they will be more conservative than they were in setting dividends
E. that they will be more conservative than they have been to set dividends
这道比较是不是跟楼主那道类似？？
求分析！
analysts expect automakers, in order to conserve cash, to be more conservative than they have been in setting dividends.

jeffery2541 · 发表于 2012-7-20 16:14:10

我怎么觉得这两个题不太一样呢？
miffy同学，你想问什么呢？

Despite recent increases in sales and cash flow that have propelled automobile companies' common stocks to new highs, several industry analysts expect automakers, in order to conserve cash, to set dividends more conservatively than they were
A. to set dividends more conservatively than they were
B. to set dividends more conservatively than they have been
C. to be more conservative than they have been in setting dividends
D. that they will be more conservative than they were in setting dividends
E. that they will be more conservative than they have been to set dividends
这道比较是不是跟楼主那道类似？？
求分析！
analysts expect automakers, in order to conserve cash,to be more conservative than they have been in setting dividends.

-- by 会员 miffyhui (2012/7/20 15:49:58)

屡败屡战 · 发表于 2012-7-24 13:46:15

这样就很清楚啦谢谢

【求助】Comparisons 不是要 structurally parallel吗为什么prep这道题根本就不是这样求指点

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【求助】Comparisons 不是要 structurally parallel吗为什么prep这道题根本就不是这样求指点