問題詳情
【題組】45.aWhat is the main topic of this passage?
(A) Alternating current versus direct current
(B) Local utility service
(C) What you should know about working with electricity at home
(D) How power reaches your home
參考答案
答案：D
難度：困難0.375
統計：A(0),B(2),C(3),D(3),E(0)