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htxt=htxt+" □ [精][顶]停课不停学二轮远程学习系列是针对这次疫情高三停课自学编写,讲义内容清晰,习题精准,解析到位。目前计划出十个专题,全部是高考选择题型,既适合考生自学,也适用于老师远程教学。十个专题分别是:化学与STSE必考、化学与传统文化必考、阿伏加德罗常数轮考、电化学必考、实验基础必考、元素周期律必考、有机化学必考、离子反应与氧化还原反应偶考、水溶液曲线轮考、工艺流程选择轮考,持续发布,敬请期待 | ";
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