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@ -1,47 +1,47 @@
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# 初中物理八年级上(人教版)
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## <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第一章 机械运动 3725772C8F8B4D5BBE0E72CD4BFCABAD');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第一章 机械运动</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">99+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 长度和时间的测量 C5944F8708B640279437AA0744AE73E2');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 长度和时间的测量</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">73+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 长度和时间的测量 C5944F8708B640279437AA0744AE73E2');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 长度和时间的测量</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">79 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 运动的描述 </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第3节 运动的快慢 CAFFF596531A4E8DBFF53C440C1D4960');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 运动的快慢</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">87+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第4节 测量平均速度 F4C051E3389943C8B7098DC7C156CC0C');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 测量平均速度</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">26+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('本章复习 9AAB79730B354EE09232812944038748');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">54+ </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第3节 运动的快慢 CAFFF596531A4E8DBFF53C440C1D4960');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 运动的快慢</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">34 </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第4节 测量平均速度 F4C051E3389943C8B7098DC7C156CC0C');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 测量平均速度</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">99+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习 </span></div>
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## <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第二章 声现象 4A22793CA7B34FDFA67AA86C9CF598A8');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第二章 声现象</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">99+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 声音的产生与传播 D66050E227014D2D8CF2F195E80DA1E0');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 声音的产生与传播</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">59+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 声音的特性 856E27F3050C482EAD1D4476B6233DAE');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 声音的特性</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">86+ </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第3节 声的利用 77DDBEF309844F29ACD400E593BCE6B0');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 声的利用</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">99+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 噪音的危害和控制 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('本章复习 C0F97A6F1D5742C1AA6DD0121A53AD38');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">78+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 声音的产生与传播 D66050E227014D2D8CF2F195E80DA1E0');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 声音的产生与传播</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">39 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 声音的特性 856E27F3050C482EAD1D4476B6233DAE');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 声音的特性</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">25 </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第3节 声的利用 77DDBEF309844F29ACD400E593BCE6B0');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 声的利用</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">46 </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第4节 噪音的危害和控制 74BF3992B9694F6E8E640DFE79CD1E4C');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 噪音的危害和控制</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">64 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习 </span></div>
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## <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第三章 物态变化 90329E73BC1342D48719F55340C8A408');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第三章 物态变化</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">99+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 温度 1FE77ACB9A894B8A87B1C6F7320DB761');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 温度</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">45+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 熔化和凝固 6E44BAC7CE7C48178B6C7F67EFFA795E');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 熔化和凝固</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">51+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 温度 1FE77ACB9A894B8A87B1C6F7320DB761');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 温度</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">41 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 熔化和凝固 6E44BAC7CE7C48178B6C7F67EFFA795E');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 熔化和凝固</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">67 </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 汽化和液化 </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第4节 升华和凝华 AE495F19C66A49568215C280D1019611');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 升华和凝华</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">92+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('本章复习 84B6D12519BF439D94B8F3968BDAC29C');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">65+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第4节 升华和凝华 AE495F19C66A49568215C280D1019611');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 升华和凝华</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">92 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('本章复习 84B6D12519BF439D94B8F3968BDAC29C');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">85 </span></div>
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## <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第四章 光现象 D1178AE3295F41949563A72499C1D166');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第四章 光现象</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">99+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 光的直线传播 9C38E1C4653343DE9AEE16FE3A595910');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 光的直线传播</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">92+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 光的反射 2F5F67A1B4FF41839CC8F34F6B03F7C8');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 光的反射</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">43+ </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 平面镜成像 </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第4节 光的折射 06E5B72EEAB545F297A88C15D47F6046');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 光的折射</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">49+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第5节 光的色散 638A6464A4614E8082DA345A1650F564');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第5节 光的色散</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">69+ </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习 </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 光的直线传播 9C38E1C4653343DE9AEE16FE3A595910');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 光的直线传播</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">98 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 光的反射 2F5F67A1B4FF41839CC8F34F6B03F7C8');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 光的反射</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">50 </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第3节 平面镜成像 084B7BEB59D14237A360661CBDD994F8');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 平面镜成像</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">68 </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 光的折射 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第5节 光的色散 638A6464A4614E8082DA345A1650F564');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第5节 光的色散</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">94 </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('本章复习 6AA040ADB9D54482A6548339C4977B43');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">37 </span></div>
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## <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第五章 透镜及其应用 7E3E099A59314CD6A7122F4D8115E869');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第五章 透镜及其应用</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">99+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 透镜 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 生活中的透镜 54733BE9852747BA9F9430195496EDB6');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 生活中的透镜</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">56+ </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 凸透镜成像的规律 </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 透镜 C5F2FA5C05A24603996F5BC61F4C1B5F');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 透镜</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">29 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 生活中的透镜 54733BE9852747BA9F9430195496EDB6');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 生活中的透镜</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">87 </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第3节 凸透镜成像的规律 BF0B0C64CC3144F6A95E9C60CA3C14B6');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 凸透镜成像的规律</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">29 </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 眼睛和眼镜 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第5节 显微镜和望远镜 5320746C39C240C29E3F950071456490');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ff5722;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第5节 显微镜和望远镜</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ff5722;color:#ff5722;font-family: 'PingFang';">31+ </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('本章复习 045B4B733548402D88C07D5A776347D8');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">85+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第5节 显微镜和望远镜 5320746C39C240C29E3F950071456490');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第5节 显微镜和望远镜</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">74 </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习 </span></div>
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## <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第六章 质量与密度 AF4F2435E8614746BFC126C9699A3C88');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第六章 质量与密度</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">99+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 质量 EC199323A8BE460EBBC246C3B1312BDC');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 质量</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">98+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 密度 98056050989A49F9A23DBC0F06B5F985');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 密度</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">87+ </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第3节 测量物质的密度 2D59E5209AC3408F97E4719F1672FC27');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 测量物质的密度</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">75+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第4节 密度与社会生活 734DE89CA3F84571898E049A8B8C0707');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 密度与社会生活</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">89+ </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('本章复习 EC9A071850D24092B6AD1602470FFCA2');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">97+ </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第1节 质量 EC199323A8BE460EBBC246C3B1312BDC');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第1节 质量</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">55 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第2节 密度 98056050989A49F9A23DBC0F06B5F985');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第2节 密度</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">90 </span></div>
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##### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第3节 测量物质的密度 </span></div>
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### <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('第4节 密度与社会生活 734DE89CA3F84571898E049A8B8C0707');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #ffb800;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">第4节 密度与社会生活</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #ffb800;color:#ffb800;font-family: 'PingFang';">69 </span></div>
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#### <div style="position: relative;margin-left: 15px;top: -3px;"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #888;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">本章复习 </span></div>
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## <div style="position: relative;margin-left: 15px;top: -3px;"> <a href='#' onclick="layer.alert('期中复习 CD728AC957334CD5B652DFF6C32698E6');"> <span style="padding: 2px 15px;border-radius: 24px;background-color: #07C491;font-size: 8px; border: 0px solid #ecf0f1;color: #fff;font-family: 'PingFang';">期中复习</span> </a> <span style="position: absolute;left: -13px;top:2.5px; padding: 1px 5px;border-radius: 20px;background-color: #fff;font-size: 8px;border: 1px solid #07C491;color:#07C491;font-family: 'PingFang';">99+ </span></div>
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