<form>

   <label>你对什么运动感兴趣：</label>

   <br />

   <label for="manpao">慢跑</label>

  <input type="checkbox" name="yundong" id="manpao" />

  <br />

  <label for="dengshan">登山</label>

  <input type="checkbox" name="yundong" id="dengshan" />

  <br />

  <label for="lanqiu">篮球</label>

  <input type="checkbox" name="yundong" id="lanqiu">

</form>