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The Earth receives 20,000 times more energy from the sun than we currently use. If we used more of this source of heat and light, it __________ all the power needed throughout the world.
(A)supplies
(B)has supplied
(C)was supplying
(D) could supply

答案：D
難度： 非常簡單
最佳解!
小刺客 湯瑪斯 大三上 (2017/02/17)
could .....看完整詳解


The Earth receives 20,000 times more ene..-阿摩線上測驗