anchor.diff:      <option value="new_conception">新概念英语(4198)</option>
       <%
           }
  -        if ("CET4".equals(request.getAttribute("words_type"))) {
  +        if ("CET4".equalsIgnoreCase((String)request.getAttribute("words_type"))) {
       %>
       <option value="CET4" selected="selected">4级(5042)</option>
       <%
  
positive.code:     <option value="GRE">GRE(7496)</option>
      <%
          }
          if ("ADULT".equals(request.getAttribute("words_type"))) {
      %>
      <option value="ADULT" selected="selected">成人英语(7216)</option>
      <%
  
negative.code:     <option value="university">大学(3670)</option>
      <%
          }
          if ("new_conception".equalsIgnoreCase((String)request.getAttribute("words_type"))) {
      %>
      <option value="new_conception" selected="selected">新概念英语(4198)</option>
      <%
  