問題詳情

【題組】13.What is the benefit of using two-stranded barbed wire?
(A)Improved rust-resistance
(B)Increased strength
(C)More rapid attachment of barbs
(D)Easier installation.

參考答案

答案：B
難度：簡單0.8
統計：A(0),B(4),C(0),D(1),E(0)