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    Item Type: State Publication
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    State Library of Oregon: Oregon Documents
    This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.

    在面授學習時讓孩子們廣泛並正確的使用口罩, 我們公認是對學生最好的方式。