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题库 / Prep2007E2-SC-15
In the mid-1920s the Hawthorne Works of the Western Electric Company was the scene of an intensive series of experiments that would investigate changes in working conditions as to their effects on workers' performance.
that would investigate changes in working conditions as to their effects on workers' performance
investigating the effects that changes in working conditions would have on workers' performance
for investigating what the effects on workers' performance are that changes in working conditions would cause
that investigated changes in working conditions' effects on workers' performance
to investigate what the effects changes in working conditions would have on workers' performance
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C的语序：for investigating what the effects (that changes in working conditions would cause) on workers' performance are.
E选项里边：what the effects (changes in working conditions would have) on workers' performance
所以说C的语序怪异，D选项从句少了谓语。
A和D都是调查的changes（工作环境的变化），但是句子的意思是要调查这个工作环境的变化对员工绩效带来的影响(effect)
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