<select name="你的亲人">
<option value="dad">爸爸</option>
<option value="mom" selected>妈妈</option>
<option value="sister">姐妹</option>
<option value="brother">兄弟</option>
</select>
<textarea name="message" rows="10" cols="40">
I love my family.I love my father,my mother,my sisters and my brother.
</textarea>
<br/>
<button type="button" onclick="alert('欢迎跟我做朋友!')">不要点我!</button>