問題詳情

6.Bob-cat means a mini-_____________with push-blade used for the careful distribution of loosegoods in cargo holds of bulk carriers.
(A)conveyor
(B)belt
(C)transfer
(D) caterpillar

參考答案

答案：D
難度：適中0.615385
統計：A(1),B(0),C(1),D(8),E(0)