According to a growing number of experts, it is already technically_____to construct a pioneering space colony, powered by solar

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问题 According to a growing number of experts, it is already technically_____to construct a pioneering space colony, powered by solar energy.

选项 A、practical
B、flexible
C、feasible
D、beneficial

答案C

解析空格意思是：根据越来越多专家的观点，以太阳能为动力．开拓空间聚居地在技术上是可行的。各项的意思是：practical“实际的，实践的”；flexible“柔韧性，易曲的，灵活的”；feasible“可行的，切实可行的”；beneficial"有益的，受益的"。

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