京东 11.11 红包
16_Natural Resources
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拾荒者统治 01
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13_Kinds of Weather
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17_Our Earth
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15_Measuring Weather
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1.4 实验：气垫导轨
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February Fifteenth
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14_Look Up
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实验视频：反冲
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11_How Does a Plant Grow？
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12_I Can Sort
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Meditation-January Eighth
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February Twenty-first
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March Twelfth
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March Sixth
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9_Day,Month,Year
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3.1 重力 基本相互作用
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Meditation-Febuary fifth
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Meditation-January Fourth
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Meditation-Febuary second
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March Eighth
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February Sixteenth
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3.2 弹力
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16_3.5.1 实验：验证牛顿第二定律
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February Eighteenth
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实验视频：单摆小车
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18_4.2.2 抛体运动 作业本
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背单词-9.17
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3.2 演示实验：显示微小形变
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Meditation-January Nneteenth
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introductoin to Meditations
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实验视频：验证动量守恒定律
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2.6 伽利略对自由落体运动的研究
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Meditation-January SIxteenth
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27_7.1.1 动量 动量定理
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1.4 实验：打点计时器
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17_4.1.1 曲线运动 运动的合成与分解
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24题-1
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3.1 实验：悬挂法测重心
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Meditation-January Eighteenth