◎ 题干
根据句意和首字母提示补全单词.
1. Don't w________ water. Please turn off the cock after you wash your hands.
2. Gold, silver and iron are all m_______.
3. It's more and more important for everyone to save e_______ now.
4. Air p_______ is quite harmful to our health.
5.The students from a green school are helping collect waste paper and bottles for r________.
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“根据句意和首字母提示补全单词.1. Don't w________ water. Please turn off the cock after you wash your hands.2. Gold, silver and iron are all m_______. 3. I…”主要考查了你对  【单词、词组】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。