問題詳情

【題組】66. The author uses power walking as an example mainly because______.　　
(A)it is an outdoor sport　　
(B)it improves our health　　
(C)it uses fewer resources　　
(D)it is recommended by experts

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)