扫描二维码，直接登录
题库 / Prep2007E1-SC-82
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.
annually by preventing illness among employees and gain as much as $200 billion through improving performance of workers if they simply provided
annually if they prevented employee illness and gain as much as $200 billion through worker performance improved by simply providing
annually in employee illness prevention and gain as much as $200 billion through worker performance improved by simply providing
in employee illness prevention and gain as much as $200 billion through improving performance of workers if they simply provided
by preventing illness among employees and gain as much as $200 billion through improved worker performance if they simply provided
by、through代表通过的意思，and前后需要出现by或through来保持平行
by doing sth／through sth
choice e, by preventing illness方式状语表达的意思是通过预防疾病，公司可以省下58 billion。correct
D: save money in employee illness prevention 在员工疾病预防方面省钱（少花钱给员工疾病预防）
E: save money by preventing illness among employees 通过预防员工之间的疾病省钱
E: save money by preventing illness among employees 通过预防员工之间的疾病省钱
E，they只能指代companies，没有歧义，更优
语义：companies通过某种方式做到省钱和赚钱
语法：
ABC选项：通过观察选项发现，多出annually，此处为redundancy错误，因为开头已经有each year。排除；
D选项：原句合理句意为companies通过某种方式做到省钱和赚钱。对比E发现，by和through有通过某种方式的意思，D选少了by，不平行。排除
D感觉和原文说的不是一个意思了 D说的是在员工疾病防御上可以赚很多钱
E说的是可以通过防止员工生病赚钱