1
<form action="/plays/html-form-submit" method="get">2
<input type="radio" name="sex" value="Male"> Male<br>3
<input type="radio" name="sex" value="Female" checked="checked"> Female<br>4
<input type="submit" value="提交">5
</form>
<form action="/plays/html-form-submit" method="get"> <input type="radio" name="sex" value="Male"> Male<br> <input type="radio" name="sex" value="Female" checked="checked"> Female<br> <input type="submit" value="提交"></form>