<select id='slt_orderby' name='slt_orderby'><option value="/house/rent/yanqing/unitthree-----oby-a-a7">时间从新到旧</option><option value="/house/rent/yanqing/unitthree-----oby1-a-a7" selected>时间从旧到新</option><option value="/house/rent/yanqing/unitthree-----oby2-a-a7">价格从大到小</option><option value="/house/rent/yanqing/unitthree-----oby3-a-a7">价格从小到大</option><option value="/house/rent/yanqing/unitthree-----oby4-a-a7">面积从大到小</option><option value="/house/rent/yanqing/unitthree-----oby5-a-a7">面积从小到大</option><option value="/house/rent/yanqing/unitthree-----oby6-a-a7">户型从小到大</option><option value="/house/rent/yanqing/unitthree-----oby7-a-a7">户型从小到大</option></select>