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htxt=htxt+"<tr><td height=\"25\">『资料评论』&nbsp;&nbsp;<a href=\"/file_review.asp?id=30282351\" 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;□ very good </td>";
htxt=htxt+"<td width=\"20%\" align=\"right\" valign=\"top\" >mu685424364 <2-4 17:36></td>";
htxt=htxt+"</tr></table>";
htxt=htxt+"<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"2\" bgcolor=\"#EFF2F4\">";
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htxt=htxt+"<td width=\"80%\" class=\"txt\">&nbsp;□ 非常好  内容好  版式也不错</td>";
htxt=htxt+"<td width=\"20%\" align=\"right\" valign=\"top\" >luguini <3-22 23:31></td>";
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htxt=htxt+"<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"2\">";
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htxt=htxt+"<td width=\"80%\" class=\"txt\">&nbsp;□ very good</td>";
htxt=htxt+"<td width=\"20%\" align=\"right\" valign=\"top\" >5uguo <2-16 14:28></td>";
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htxt=htxt+"<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"2\" bgcolor=\"#EFF2F4\">";
htxt=htxt+"<tr>";
htxt=htxt+"<td width=\"80%\" class=\"txt\">&nbsp;□ 烷烃中碳与碳以单键相连，烯烃中含有碳碳双键，那么碳和碳是否能以三键相连呢？那么这节课我们就来认识一下另一类脂肪烃，即炔烃。</td>";
htxt=htxt+"<td width=\"20%\" align=\"right\" valign=\"top\" >zhangzhiyin <1-21 20:37></td>";
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htxt=htxt+"<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"2\">";
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htxt=htxt+"<td width=\"80%\" class=\"txt\">&nbsp;□ 好</td>";
htxt=htxt+"<td width=\"20%\" align=\"right\" valign=\"top\" >hujing456789 <12-30 22:4></td>";
htxt=htxt+"</tr></table>";

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