By the year 2050, experts believe that the problems to explore the food, minerals and energy resources of the sea will have been

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问题 By the year 2050, experts believe that the problems to explore the food, minerals and energy resources of the sea will have been largely solved.

选项

答案到2050年，专家相信开发海洋食品、矿产和能源的问题将会在很大程度上得到解决。

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成人本科学位英语

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