問題詳情
【題組】24
(A) These components increase the total cost of a solar energy system.
(B) Solar energy is the only renewable energy technology that is not available today.
(C) One solution is to locate large-scale solar electric systems in deserts or marginal lands.
(D) However, solar energy is not produced at night and can also be unreliable due to cloudy weather.
參考答案
答案：D
難度：適中0.411765
統計：A(1),B(4),C(5),D(7),E(0)