<html><body><select> <option label="Volvo">Volvo (Latin for "I roll")</option> <option label="Saab">Saab (Swedish Aeroplane AB)</option> <option label="Mercedes">Mercedes (Mercedes-Benz)</option> <option label="Audi">Audi (Auto Union Deutschland Ingolstadt)</option></select><p><b>注释：</b>只有 IE 7+ 支持 label 属性。</p></body></html>