1 <form> 2 <input type="text"> 3 <input type="password"> 4 <input type="hidden"> 5 <input type="radio" name="sex" value="男">男 6 <input type="radio" name="sex" value="女">女 7 <input type="checkbox" name="country" value="中国">中国 8 <input type="checkbox" name="country" value="美国">美国 9 <select>10 <option value="1" selected>1</option>11 <option value="2">2</option>12 </select>13 <textarea rows="8" cols="40"></textarea>14 <input type="submit">15 </form>