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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
ABC. annually 与every year 重复，排除
是通过preventing illness减低成本
不是公司主动提高worker performance导致赚钱，而是（公司净化空气导致的）被提高的 worker performance导致了赚钱。
through improved worker performance和through improving performance of workers的核心词有明显的不同，前者强调的是“worker performance员工绩效”，后者则强调improving这个动作
故E正确
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