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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
主要考点：redundancy、平行
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
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