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新型冠状病毒防控指引18讲（八）中小学生如何防护
在抗击疫情的特殊时期，中小学采取了延缓开学的措施，以在家学习为主。那么中小学生如何更好的居家防护，兼顾安全、健康和学习呢？有网友画出了“居家线路图”把家庭环境按照接触污染物的级别分成不同区域，这样的做法值得推荐吗
防疫小知识23/76
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