<select id='slt_orderby' name='slt_orderby'><option value="/house/sale/mentougou/oby-50-a5?key=%e5%89%8d%e5%b1%af">时间从新到旧</option><option value="/house/sale/mentougou/oby1-50-a5?key=%e5%89%8d%e5%b1%af" selected>时间从旧到新</option><option value="/house/sale/mentougou/oby2-50-a5?key=%e5%89%8d%e5%b1%af">价格从大到小</option><option value="/house/sale/mentougou/oby3-50-a5?key=%e5%89%8d%e5%b1%af">价格从小到大</option><option value="/house/sale/mentougou/oby4-50-a5?key=%e5%89%8d%e5%b1%af">面积从大到小</option><option value="/house/sale/mentougou/oby5-50-a5?key=%e5%89%8d%e5%b1%af">面积从小到大</option><option value="/house/sale/mentougou/oby6-50-a5?key=%e5%89%8d%e5%b1%af">户型从小到大</option><option value="/house/sale/mentougou/oby7-50-a5?key=%e5%89%8d%e5%b1%af">户型从小到大</option></select>