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htxt=htxt+"<tr><td height=\"25\">『资料评论』&nbsp;&nbsp;<a href=\"/file_review.asp?id=30396534\" target=\"_blank\"><font color=blue>点击这里发表或查看更多评论</font></a> </td><td align=\"right\"><a href='javascript:void(0)' onclick='sendhp()'><img src='/images/hp.png'  width='16' height='16' border='0' align='absmiddle'></a>好评率：<span id='hpp'>-</span> <a href='javascript:void(0)' onclick='sendcp()'><img src='/images/cp.png' width='20' height='17' border='0' align='absmiddle'></a>差评率：<span id='cpp'>-</span></td></tr>"
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htxt=htxt+"<td width=\"80%\" class=\"txt\">&nbsp;□ 根据初学化学者的思维程序：实验→现象→物理性质、化学反应→化学性质→结构；性质、反应→用途、存在、制法及其逆向提出问题、解决问题，形成以物质结构为起点的后学化学者的思维程序：结构→性质→反应→现象→用途、存在、制法。此处，正是根据后者程序学习钠。    熟练掌握后学化学者的思维程序后，学者就能终生学习、不断发展。</td>";
htxt=htxt+"<td width=\"20%\" align=\"right\" valign=\"top\" >zsfzlj <1-24 11:44></td>";
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