問題詳情

【題組】21.
(A) Its power bill reaches $9 million a year.
(B) It sells thousands of light bulbs a day.
(C) It supplies power to a nearby town.
(D) It generates 70% of the electricity it uses.

參考答案

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)