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标题: Prep07 Test 2 43题 夹心修饰 [打印本页]

作者: alzn2765    时间: 2014-5-8 11:37
标题: Prep07 Test 2 43题 夹心修饰
Although ice particles in the upper atmosphere benefit Earth in that they reflect and absorb solar

radiation, acting as a global thermostat and thus keeping Earth from either burning up or freezing

over, they also accelerate the destruction of the ozone layer by reacting with chlorofluorocarbons

(CFC's).



(A) acting as a global thermostat and thus keeping Earth from either burning up or freezing over,

they also accelerate

(B) acting as a global thermostat and thus keeping Earth either from burning up or freezing over,

while also accelerating

(C) act as a global thermostat and thus keep Earth from either burning up or freezing over, while

also accelerating

(D) they act as a global thermostat that thus keeps Earth either from burning up or freezing over,

even though it also accelerates

(E) they act as a global thermostat to thus keep Earth from either burning up or freezing over, but

they also accelerate

句子结构:Although ice particles … benefit Earth in that…, acting as… and keeping…, they also

accelerate…

这个句子中的分词结构 acting as...只能修饰 in that they reflect and absorb solar radiation,不存在歧

义。如果要往后修饰主句 they also accelerate...,那么必须在 Although...从句与 acting as...之间加上

连词,因为这都是修饰主句的状语(前者是状语从句,后者是分词结构状语),没有连词无法并列存

在。



考点:句子结构

1) 句子结构,有几个分句的较复杂句子,要注意各分句的主谓结构是否完整,分句之间是否有正确

的连词连接,整个句子是否有主句,常见的错误是只有从句无主句,或者把状语结构变成主句内

容。



(A) 正确,原文的acting and keeping是作benefit的伴随状语,解释如何benefit Earth。Although ice

particles benefit..., they also accelerate the destruction...,原文要表达这样一个对比:尽管有益,也

有害。

(B) although与while都是引导状语从句,没有主句。

(C) act and keep在语法上作they的并列谓语,although与while都是引导状语从句,没有主句。

(D) even though与前面的although重复,都是从句。

(E) thus 副词不能连接并列的谓语 act, keep(应将 to 改为连词 and);Although ice particles benefit...,

they act to keep...这两个分句之间本来没有这层让步转折含义(原文的关系应该是递进),但因为 they

act...成了独立的句子,所以与前面的 although 状语从句联合,不符合逻辑意思。再往后面的 but...  又

与 although 重复(重复使用连词)。

问题:
关于acting and keeping为什么没有夹心修饰的歧义的解释太牵强,仔细分析逻辑上也有自相卖盾的地方。原因如下:
这个“夹心”修饰的争议在于acting and keeping即可能向前修饰名词solar radiation,也可能向后修饰主句主语they,也就是ice particles。

答案中的解释是“如果要往后修饰主句 they also accelerate...,那么必须在 Although...从句与 acting as...之间加上连词”,可Although是一个从句,而acting and keeping是一个动名词短语,请问什么连词可以连接两个如此不对等的结构? and?
如果按照这种解释,“夹心修饰”根本不存在了。因为通过判断doing结构前有没有连词(即使不考虑连词能否连接两个不对等的结构),已经完全可以判断是向前修饰还是向后修饰了。

请高手释疑!谢谢!
作者: crazysin    时间: 2014-5-8 13:44
Although ice particles ..., they also accelerate....根据这一点把选项划分成AE/BCD, 然后比较选A
作者: alzn2765    时间: 2014-5-8 13:47
crazysin 发表于 2014-5-8 13:44
Although ice particles ..., they also accelerate....根据这一点把选项划分成AE/BCD, 然后比较选A ...

谢谢,但我的问题不是这道题怎么选。
看我的问题。
作者: alzn2765    时间: 2014-5-12 22:43
问题解决了。
首先,我“夹心修饰”的成分说错了:
向前修饰:acting as a global thermostat and thus keeping Earth from either burning up or freezing over做伴随状语,表结果,向前修饰谓语动词benefit ,逻辑主语是ice particles;
向后修饰:acting as a global thermostat and thus keeping Earth from either burning up or freezing over做伴随状语,表状态,向后修饰谓语动词accelerate,逻辑主语是they,指代的还是ice particles;
这道题其实是个“特例”,特殊就特殊在不管向前修饰还是向后修饰,其实逻辑主语都是ice particles,从逻辑上或者翻译上,按照向前修饰还是向后修饰理解都差不多。此时“夹心修饰”已经不存在。

至于连词改写,Although ice particles in the upper atmosphere benefit Earth in that they reflect and absorb solar radiation AND acting as a global thermostat and thus keeping Earth from either burning up or freezing over, they also accelerate the destruction of the ozone layer by reacting with chlorofluorocarbons.这是肯定不行的!因为AND前面是有主谓宾的句子,后面是doing sth短语,AND前后结构不平行,AND不可以连接两个如此不对称的结构。作者说了如果要表示向后修饰,需要加连词,这个连词他没说,让我好一顿困惑。

如果用连词AND,句子需要改写为:
Although benefiting Earth in that they reflect and absorb solar radiation AND acting as a global thermostat and thus keeping Earth from either burning up or freezing over, ice particles in the upper atmosphere also accelerate the destruction of the ozone layer by reacting with chlorofluorocarbons.
这样可以用AND。

后来有人被我折磨之后,想出了那个“没有说出来的连词”:
Although ice particles in the upper atmosphere benefit Earth in that they reflect and absorb solar radiation WHILE acting as a global thermostat and thus keeping Earth from either burning up or freezing over, they also accelerate the destruction of the ozone layer by reacting with chlorofluorocarbons.
感觉可以了,while用的好。

至此,本题解决!
谢谢被我一顿精神折磨的老同学!也为我对于“夹心修饰”的错误理解感到惭愧。
作者: alexzeze    时间: 2014-11-22 19:35
alzn2765 发表于 2014-5-12 22:43
问题解决了。
首先,我“夹心修饰”的成分说错了:
向前修饰:acting as a global thermostat and thus kee ...

厉害 确实,如果前后修饰都能通过 那就不能算夹心 其实我还有种理解 是做了prep以来的一个新的经验 即使各种有歧义但是ETS就是会在正确答案那一项给出“相对最好的”这样一种说法 很多之前的规律在prep上面都不管用了 很多时候都不能只是看小规律的局部用法 还得从大局出发
作者: maggie790    时间: 2018-9-5 01:47
顶楼主!               
作者: kluivert    时间: 2018-9-5 02:41
夹心饼干的我的最爱




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