Gusty westerly winds will continue to usher in a seasonably cool air mass into the region, as a broad area of high pressure will build and bring fair and dry weather for several days.


to usher in a seasonably cool air mass into the region, as a broad area of high pressure will build and

ushering in a seasonably cool air mass into the region and a broad area of high pressure will build that

to usher in a seasonably cool air mass to the region, a broad area of high pressure building, and

ushering a seasonably cool air mass in the region, with a broad area of high pressure building and

to usher a seasonably cool air mass into the region while a broad area of high pressure builds, which will

考题讲解

题目分析:
本题难度较大,需要看清每个成分。

选项分析:

A选项:连词as身后是由并列连词and连接起来的合句,即, a broad area of high pressure will build和a broad area of high pressure will bring fair and dry weather for several days. 在逻辑上,能带来几天干燥的天气的应该是前文的两个天气现象,不应是a broad area of high pressure。

B选项:选项末尾的that bring fair and dry weather for several days是定语从句,其修饰对象为a broad area of high pressure,这造成的错误同选项(A)。

C选项:本选项具有语法错误,最后的并列连词and身前building不能做谓语动词,这造成了语法错误。

D选项:
with a broad area of high pressure building是独立主格结构,其无法和身后的动宾短语bring fair and dry weather for several days形成并列关系。如果将并列连词and身后的动作理解为和主句will continue并列,则需在该独立主格身后也加上逗号,让独立主格变为插入语

E选项:Correct. 本选项在语法和逻辑上均是正确的。值得注意的是,划线部分最后的非限定性定语从句which will bring fair and dry weather for several days在修饰其身前的两个事件的共同结果。正常来说,定语从句只能修饰一个名词,不能修饰句子,这个原则是没有问题的。但为什么本题又可以修饰句子了呢?答案很简单,这不是GMAT考试双重标准,而是这些语法内容并非考试的真正考点。有些考题,利用定语从句修饰名词,同位语可以修饰句子的原则来考查我们考生判断逻辑主语的能力,这个时候,定语从句自然只能修饰名词,不能修饰句子。例如:https://gmat.la/question/Prep2008E1-SC-206
但有些考题,比如本题,对于出题人来说,由于他的考纲里根本没有对这些语法细节的要求,所以他想当然的就会按照英语的使用习惯而把句子写成了which修饰身前整句。因此,对于这点,大家不必记为一个考点,只需要记住,看题目怎么考我,如果有选项是同位语和定语从句交替出现的,肯定要保证定语从句修饰一个名词。如果类似于本题,没有同位语的选项,那么which引导的非限定性定语从句,也可以修饰整个句子。

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