问答题

(Passage 1) Buffalo chips were found to burn evenly, hotly, and cleanly, with little smoke and, interestingly, no odor.

【参考答案】

人们发现干牛粪块不仅燃烧均匀，热量大，而且干净，没烟雾，更有趣的是没臭味。

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问答题

(Passage 2)In the cleaning -up stage, children or Father again gave their hands, so that their significance to the home community was clear.

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