jqObj.bind('change', function () {
      debugger;
    });

<div id="area-146">
                    <div class="blockContent">
                        <div class="form-element duplicate ">
                            <label for="71">Idioma </label>
                        <select id="combo-71" style="width: 200px;">
                            <option value="Russo">Russo</option>
                            <option value="Sueco">Sueco</option>
                        </select>
                        <input id="text-71" value="Escolhe uma opção" style="margin-left: -203px; width: 180px; height: 1.2em; border: 0;">
                          <br style="clear: left;">
                        </div>
                        <div class="form-element duplicate ">
                            <label for="72">Escrita </label>
    <input class="peq" id="72" maxlength="35" name="Input.Fields[72]" size="35" title="" type="text" value="">                      <br style="clear: left;">
                        </div>
                        <div class="form-element duplicate ">
                            <label for="73">Conversação </label>
    <input class="peq" id="73" maxlength="35" name="Input.Fields[73]" size="35" title="" type="text" value="">                      <br style="clear: left;">
                        </div>
                        <div class="form-element duplicate ">
                            <label for="85"> </label>
                          <br>
                          <br style="clear: left;">
                        </div>
                    </div>

                  <div id="area-146-2"><div class="form-element duplicate ">
                            <label for="71">Idioma </label>
                        <select id="combo-71-2" style="width: 200px;">
                            <option value="Russo">Russo</option>
                            <option value="Sueco">Sueco</option>
                        </select>
                        <input id="text-71-2" value="Escolhe uma opção" style="margin-left: -203px; width: 180px; height: 1.2em; border: 0;">
                          <br style="clear: left;">
                        </div><div class="form-element duplicate ">
                            <label for="72">Escrita </label>
    <input class="peq" id="72-2" maxlength="35" name="Input.Fields[72]" size="35" title="" type="text" value="">                      <br style="clear: left;">
                        </div><div class="form-element duplicate ">
                            <label for="73">Conversação </label>
    <input class="peq" id="73-2" maxlength="35" name="Input.Fields[73]" size="35" title="" type="text" value="">                      <br style="clear: left;">
                        </div><div class="form-element duplicate ">
                            <label for="85"> </label>
                          <br>
                          <br style="clear: left;">
                        </div></div></div>

[<select id=​"combo-71" style=​"width:​ 200px;​">​…​</select>​, <select id=​"combo-71-2" style=​"width:​ 200px;​">​…​</select>​]

$('#area-146').delegate('select', 'change', function(){
    //glorious code!
});