問題詳情

1 Electronics is the study and utilization of systems that function by guiding electron flow in ....... such assemiconductors.
(A) contrivances
(B) devices
(C) pieces
(D) servers

參考答案

答案：B
難度：簡單0.74359
統計：A(1),B(29),C(1),D(5),E(0)