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document.write("       <table width=\"100%\" border=\"0\" align=\"center\" cellpadding=\"3\" cellspacing=\"1\" style=\"word-break:break-all; word-wrap:break-all;\">        <tr>           <td height=\"30\"><span class=\"name\">本站网友 匿名</span> <font color=\"#666666\">ip:42.7.134.*</font></td>          <td><div align=\"right\"><font color=\"#666666\">2018-10-05 21:25:16 </font></div></td>        </tr>        <tr valign=\"top\">           <td height=\"20\" colspan=\"2\" class=\"text\">已知农民对农作物洒下某农药，经t日后，农药的残留量为40&amp;#180; (0.18)t ，而此农药的残留量需低于0.001，才不会对人体造成无害，试求至少需多少日后采收农作物，才是安全的作法。</td>        </tr>        <tr>           <td height=\"10\">&nbsp;</td>                  </tr>      </table>      <table width=\"100%\" border=\"0\" cellspacing=\"1\" cellpadding=\"3\">        <tr>          <td background=\"/skin/default/images/plhrbg.gif\"></td>        </tr>      </table>");
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