問題詳情

5. As we age, our _____ rate is bound to slow down. Middle-aged people should, therefore, exercise on a regular basis in order to stay healthy.
(A) feudalistic
(B)metabolic
(C) specific
(D) prolific

參考答案

答案:B
難度:適中0.607143
統計:A(6),B(17),C(0),D(3),E(0)

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