400-1816-180
本題由chris提供
In the mid-1920s the Hawthorne Works of the Western Electric
A. that would investigate changes in working conditions as to their effects on workers' performance
B. investigating the effects that changes in working conditions would have on workers' performance
C. for investigating what the effects on workers' performance are that changes in working conditions would cause
D. that investigated changes in working conditions' effects on workers' performance
E. to investigate what the effects changes in working conditions would have on workers' performance
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答案：
B
A中的代詞th
eir指代不清楚，可能是changes，也可能是conditions；
B的邏輯語義和表達(dá)最佳，investigating現(xiàn)在分詞修飾experiments很簡潔，that從句作為定從修飾effects，意思清晰。
C的動詞放錯地方，what從句，are不應(yīng)該放在performance后。D中的that多余很wordy。E中的what從句差謂語。 
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