問題詳情
42.aAccording to the passage, which of the following is correct?
(A) Most modern homes use two-wire electrical service.
(B) Three-wire electrical service has one hot wire.
(C) Lowering electric voltage is necessary for electricity use in a house.
(D) Local utility company provides direct current electricity.
(A) Most modern homes use two-wire electrical service.
(B) Three-wire electrical service has one hot wire.
(C) Lowering electric voltage is necessary for electricity use in a house.
(D) Local utility company provides direct current electricity.
參考答案
答案:C
難度:適中0.428571
統計:A(1),B(1),C(3),D(2),E(0)
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