問題詳情
33 This device was a high-end maritime receiver that is capable of picking up ship transmissions whilecontinuously_____ a preset frequency range.
(A)scanning
(B)contaminating
(C)condescending
(D) approving
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)