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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

答案：登入後觀看
難度： 困難
1F
張艾莉 高二下 (2013/03/04)

(B) generate -- 產生
(C) sustain --支持.供養
(D) produce -- 製造


Shifani: Fifty years from now is quite a..-阿摩線上測驗