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The biggest oil spill happened in 1989. [br] Scientists are studying and develop
The biggest oil spill happened in 1989. [br] Scientists are studying and develop
游客
2023-08-02
33
管理
问题
The biggest oil spill happened in 1989. [br] Scientists are studying and developing solar power, wind power, and hydroelectric______to replace oil.
选项
答案
technologies
解析
在文章最后一段，作者提到了科学家们正在研究和开发太阳能、风能以及水电来替代石油。
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