問題詳情
25.為了監視匯流排的絕緣，主配電板上設有絕緣指示燈，正常時這三盞燈如何顯示？
(A)全不亮
(B)一燈亮
(C)二燈亮
(D)一樣亮
(A)全不亮
(B)一燈亮
(C)二燈亮
(D)一樣亮
參考答案
答案：D
難度：簡單0.81295
統計：A(14),B(8),C(4),D(113),E(0)
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