問題詳情
Shifani: Fifty years from now is quite a long time to project, but future cities would be green cities, cities that are able to ______ themselves. They can produce their own energy.
(A) run
(B) generate
(C) sustain
(D) produce
參考答案
答案：C
難度：困難0.39515
統計：A(89),B(200),C(277),D(135),E(0)
用户評論
【用戶】張艾莉
【年級】高二下
【評論內容】(B) generate -- 產生(C) sustain --支持.供養(D) produce -- 製造