以下是关于【辽阔的草原】的公开课/优质课视频，一共90个
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06:3497 -
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30:0535 -
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1:01:1718 -
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17:0143 -
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40:4736 -
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41:0773 -
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28:0474 -
3:13:5395 -
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44:0927