document.write("<option value='8'>长白山林蛙油</option><option value='9'>&nbsp;&nbsp;├&nbsp;林蛙油鉴别</option><option value='10'>&nbsp;&nbsp;└&nbsp;长白山林蛙常识</option><option value='14'>长白山特产灵芝</option><option value='15'>&nbsp;&nbsp;├&nbsp;灵芝鉴别</option><option value='16'>&nbsp;&nbsp;└&nbsp;灵芝常识</option><option value='20'>吉林人参</option><option value='21'>&nbsp;&nbsp;├&nbsp;人参鉴别</option><option value='22'>&nbsp;&nbsp;└&nbsp;人参常识</option><option value='17'>鹿茸鹿产品</option><option value='18'>&nbsp;&nbsp;├&nbsp;鹿茸鹿产品鉴别</option><option value='19'>&nbsp;&nbsp;└&nbsp;鹿茸鹿产品常识</option><option value='23'>菌类</option><option value='24'>&nbsp;&nbsp;├&nbsp;菌类鉴别</option><option value='25'>&nbsp;&nbsp;└&nbsp;菌类常识</option><option value='26'>坚果</option><option value='27'>&nbsp;&nbsp;└&nbsp;坚果常识</option><option value='12'>中药材</option><option value='13'>&nbsp;&nbsp;└&nbsp;长白山中药材鉴别</option><option value='34'>蓝莓</option><option value='32'>浮石</option>");