A、The engineering problems with solar power.
B、The generation of steam with the latest technology.
C、The importance of exploring new energy sources.
D、The theoretical aspects of sustainable energy.
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A、The engineering problems with solar power.
B、The generation of steam with the latest technology.
C、The importance of exploring new energy sources.
D、The theoretical aspects of sustainable energy.
时间：2021-07-17 21:16 关键词： 综合类 语言 英语六级 2018年12月《大学英语六级》真题（卷一）
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