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苏教版小学科学一年级下册第三单元,,,,,,,,,,,,,,开始,,,,,30,,,,,29,,,,,28,,,,,27,,,,,26,,,,,25,,,,,24,,,,,23,,,,,22,,,,,21,,,,,20,,,,,19,,,,,18,,,,,17,,,,,16,,,,,15,,,,,14,,,,,13,,,,,12,,,,,11,,,,,10,,,,,9,,,,,8,,,,,7,,,,,6,,,,,5,,,,,4,,,,,3,,,,,2,,,,,1,,,,,,全体 坐好,,
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