如何检查所有单选按钮的验证?每个问题都必须检查。
<td>QA02</td>
<td>The administrative staff is friendly.</td>
<td><input type="radio" name="QA02" value="1"></td>
<td><input type="radio" name=QA02 value="2"></td>
<td><input type="radio" name=QA02 value="3"></td>
<td><input type="radio" name=QA02 value="4"></td>
<td><input type="radio" name=QA02 value="5"></td>
<td>QA03</td>
<td>The administrative staff shows professionalism in their work.</td>
<td><input type="radio" name="QA03" value="1"></td>
<td><input type="radio" name=QA03 value="2"></td>
<td><input type="radio" name=QA03 value="3"></td>
<td><input type="radio" name=QA03 value="4"></td>
<td><input type="radio" name=QA03 value="5"></td>