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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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又遇到这题，C后面的结构怎么理解啊？
what the effects on workers' performance are that changes in working conditions would cause，这里的what在are后面作表语的话，后面的that句子是什么成分呢？ that的先行词是谁呢？ 跳跃修饰the effects吗？ 跳的有点远啊……
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