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htxt=htxt+" □ 包含概念理解和相关计算问题,很好 | ";
htxt=htxt+"abi110 <7-6 20:55> | ";
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";
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htxt=htxt+" □ 好,非常详细! | ";
htxt=htxt+"lululang7 <9-26 20:30> | ";
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";
htxt=htxt+"";
htxt=htxt+"";
htxt=htxt+" □ 好 | ";
htxt=htxt+"20130828 <8-31 17:5> | ";
htxt=htxt+"
";
htxt=htxt+"";
htxt=htxt+"";
htxt=htxt+" □ 以日常生活为切入点引入课题,生动形象且能激发学生兴趣,并让学生认识到化学与生活密切联系,整体显新课标的理念。同时讲解深刻,内容丰富,相信学生能学到很多知识 | ";
htxt=htxt+"894123806 <12-27 12:47> | ";
htxt=htxt+"
";
htxt=htxt+"";
htxt=htxt+"";
htxt=htxt+" □ 课件内容丰富,设计新颖。从生活中常见的矿泉水中含钙量和酒精的度数的单位入手,并列举医院里一些测量值的单位加以对比,引入物质的量浓度,并加以讲解强化。同时讲解稀释溶液的溶质的物质的量不变并进行简单计算。并且讲解很深入 | ";
htxt=htxt+"894123806 <12-26 16:51> | ";
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