请教 prep 07 - 82题

udingzh · 发表于 2016-7-31 10:45:48

82. (28967-!-item-!-188;#058&003792)

Each year companies in the United States could save as much as $58 billion annually by preventing
illness among employees and gain as much as $200 billion through improving performance of
workers if they simply provided offices with cleaner air.

(A) annually by preventing illness among employees and gain as much as $200 billion through
improving performance of workers if they simply provided
(B) annually if they prevented employee illness and gain as much as $200 billion through worker
performance improved by simply providing
(C) annually in employee illness prevention and gain as much as $200 billion through worker
performance improved by simply providing
(D) in employee illness prevention and gain as much as $200 billion through improving performance
of workers if they simply provided
(E) by preventing illness among employees and gain as much as $200 billion through improved
worker performance if they simply provided

问题：
选项E中，为什么前一个并列部分用by preventing，而后一个用through improved worker performance？
根据之前的讨论，improved比improving好，因其表示结果而非过程；那么前面为什么还用preventing呢？
谢谢！

udingzh · 发表于 2016-7-31 13:01:17

自己顶一下！

ai559031 · 发表于 2016-7-31 16:26:35

這題很明顯是考藉由...（by+ving)，through＋Ｎ...也有相同含義所以兩者平行
通常through後面接表達狀態名詞, 盡量不要用表達動作的working Verb

Fiona09 · 发表于 2016-8-1 10:25:06

By后面肯定用V+ing的形式，LZ说的并列是save和gain两个短语的并列，而非prevent和improve两者的并列。

之前好像也有童鞋问过这题，语法笔记上是这么给解释的，希望对LZ有用

(A) annually和each year意思表达重复；improving表示动作的过程，而这里的逻辑意思应该是performance已经被提高，其结果造成了$200 billion的收益

(B) annually和each year意思表达重复；and gain有和if they prevented并列的嫌疑; through worker performance improved…的重心在worker performance，因此不能准确的表达出原句的意思，应该将improved置于worker之前，使重心变为improved worker performance; by simply providing offices with cleaner air意思表达不清,没有表达出providing的施动者是谁

(C) 错误同B选项；in employee illness prevention表达笨拙，尽量不要用动词的抽象名词形式

(D) prevention表达笨拙；improving不如improved意思表达准确

(E) 正确，by preventing结构比in… prevention结构意思表达更清晰；使用improved代替improving更符合逻辑意思

整个的句子结构: … companies… could save as much as… by preventing…and gain as much as… through improved worker performance…

请教 prep 07 - 82题

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