問題詳情

8 At the security check point, ______________ can detect luggage that contains dangerous items.
(A) speed gun radar
(B) robot
(C) helicopter
(D) X-ray machine

參考答案

答案:D
難度:非常簡單1
統計:A(0),B(0),C(0),D(1),E(0)

內容推薦

內容推薦