要求：1. 根据所提供的内容，适当拓展想象，灵活地将所提供的信息体现
现在文章中。
2. 条理清楚，语句通顺，标点正确，书写清晰、规范
3. 字数90个左右，开头和结尾已经学好，不计入总词数。
Please use the information below to help you to prepare a speech about space travel.
Hi, everyone,
I am very happy to show my opinion about space travel.
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Thank you for listening.
