<select id='slt_orderby' name='slt_orderby'><option value="/house/rent/mentougou/oby---obyunitthree" selected>时间从新到旧</option><option value="/house/rent/mentougou/oby1---oby1unitthree">时间从旧到新</option><option value="/house/rent/mentougou/oby2---oby2unitthree">价格从大到小</option><option value="/house/rent/mentougou/oby3---oby3unitthree">价格从小到大</option><option value="/house/rent/mentougou/oby4---oby4unitthree">面积从大到小</option><option value="/house/rent/mentougou/oby5---oby5unitthree">面积从小到大</option><option value="/house/rent/mentougou/oby6---oby6unitthree">户型从小到大</option><option value="/house/rent/mentougou/oby7---oby7unitthree">户型从小到大</option></select>