At the same time, medical and social science research began to indicate that retirement itself had detrimental effects.

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问题 At the same time, medical and social science research began to indicate that retirement itself had detrimental effects.

选项 A、damaging
B、magnificent
C、useful
D、relevant

答案A

解析 A.damaging有破坏性的,损害的。B.magnificent宏大的,庄严的,堂皇的。C.useful有用的,有益的。D.relevpnt有关的;适当的。
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