A.请留言...< textarea>B.<input……</h1> <div class="topic__options"> <p>若要产生一个4行30列的多行文本框，并在多行文本框中默认显示“请留言...”,如下图所示，则下列代码正确的是（）。<br/><img src="https://img.zhaokaoti.com/STUploads/2021/4/29/Images/43a953c522de4281b425b452b31dd7a4.png"/></p> <br /> <br /> <p>A.<textarea rows="4"cols="30">请留言...< /textarea><br/>B.<input type="textarea"rows="4"cols="30"value="请留言…"/><br/>C.<textarea rows="4"cols="30"value="请留言…">< /textarea><br/>D.<textarea rows="4"cols="30"value="请留言…"/></p> </div> </div> <div class="ppmg1" style="padding-top: 20px;"> <script type="text/javascript">ppwebbdf_m('6812429');</script> </div> <div class="catalog_box clearfix"> <a href="https://m.zhaokaoti.com/shiti/283fda81f60547be9a7c314079953599.html"><span class="up_btn"><上一题</span></a> <a href="https://m.zhaokaoti.com/tiku/1c801356b8f64e0ba9ff7bee3657ce15"><span class="catalog_btn">目录</span></a> <a href="https://m.zhaokaoti.com/shiti/6b1e8ec85fde4949bd30894c2e481c8d.html"><span class="next_btn">下一题></span></a> </div> <div class="answer-analysis"> <button class="look--answer" id="lookbtn" onclick="ViewAnswers('https://m.zhaokaoti.com/MobileViewAnswer/Verify?guid=97c8060d536d4113986108255cd4477e&stfrom=1&origin=m')">点击查看答案</button> <button class="look--answer" style="background-color: #ff6959;" onclick="window.location.href='https://m.zhaokaoti.com/MobileUser/Login?origin=m_index'">打开小程序，免费文字、语音、拍照搜题找答案</button> </div> <div class="result__list"> <div class="result__list-title"> <span>热门</span><span>试题</span> </div> <div class="ad_main" style="padding-top:20px;margin-left: 0px;"> <div class="ad_main_box"> <script type="text/javascript">ppwebbdf_m('6812432');</script> </div> </div> <div class="list"> <div class="item"> <a title="如果使用CompareValidator控件验证两个密码是否相同，则必须设置的属性有（）。" href="https://m.zhaokaoti.com/view/shiti/04253BBB45881658.html"> <p class="content"><span>多项选择题</span>如果使用CompareValidator控件验证两个密码是否相同，则必须设置的属性有（）。</p> <p>A.ControlToCompare<br/>B.ErrorMessage<br/>C.ControlToValidate<br/>D.TextMode</p> </a> <button class="look--answer" onclick="ViewAnswers('https://m.zhaokaoti.com/MobileViewAnswer/Verify?guid=283fda81f60547be9a7c314079953599&stfrom=1&origin=m')">点击查看答案</button> </div> <div class="item"> <a title="使用（）关键字修饰的类不允许被继承" href="https://m.zhaokaoti.com/view/shiti/C8A8807D9A3297AE.html"> <p class="content"><span>单项选择题</span>使用（）关键字修饰的类不允许被继承</p> <p>A.sealed<br/>B.override<br/>C.delegate<br/>D.public</p> </a> <button class="look--answer" onclick="ViewAnswers('https://m.zhaokaoti.com/MobileViewAnswer/Verify?guid=2c708359ed0741c98fbe71153dc764aa&stfrom=1&origin=m')">点击查看答案</button> </div> <div class="item"> <a title="下列关于继承和接口的说法，正确的是（）。" href="https://m.zhaokaoti.com/view/shiti/356522E19152C756.html"> <p class="content"><span>单项选择题</span>下列关于继承和接口的说法，正确的是（）。</p> <p>A.C#不允许实现多个接口，但可以有多个父类<br/>B.C#允许实现多个接口，但不能有多个父类<br/>C.C#不允许实现多个接口，也不允许有多个父类<br/>D.C#允许实现多个接口，也允许有多个父类</p> </a> <button class="look--answer" onclick="ViewAnswers('https://m.zhaokaoti.com/MobileViewAnswer/Verify?guid=28070dbe68c4451c90f40964c6abcaf2&stfrom=1&origin=m')">点击查看答案</button> </div> <div class="item"> <a title="设置标签中的一行文本垂直居中，使用的CSS样式属性是（）。" href="https://m.zhaokaoti.com/view/shiti/F50814AD0E9F8298.html"> <p class="content"><span>单项选择题</span>设置标签中的一行文本垂直居中，使用的CSS样式属性是（）。</p> <p>A.vertical-align<br/>B.text-align<br/>C.valign<br/>D.height和line-height</p> </a> <button class="look--answer" onclick="ViewAnswers('https://m.zhaokaoti.com/MobileViewAnswer/Verify?guid=452fd3e87524458ca762849200de776b&stfrom=1&origin=m')">点击查看答案</button> </div> <div class="item"> <a title="下列关于继承的说法，错误的是（）。" href="https://m.zhaokaoti.com/view/shiti/573166F9D9F3304F.html"> <p class="content"><span>单项选择题</span>下列关于继承的说法，错误的是（）。</p> <p>A.在C#中，object类是所有类的基类<br/>B.子类不能直接访问父类的私有成员<br/>C.在创建子类对象时会自动调用父类的构造函数<br/>D.调用类中成员时使用base关键字，调用父类成员时使用this关键字</p> </a> <button class="look--answer" onclick="ViewAnswers('https://m.zhaokaoti.com/MobileViewAnswer/Verify?guid=aaa1a45a804f449e97ec818c62f08558&stfrom=1&origin=m')">点击查看答案</button> </div> </div> </div> </div> </div> </div> </div> <!-- 底部 Start --> <div class="promotionOne" id="promotionOne" style="margin-bottom: 55px;"></div> <div class="promotion" id="promotion" style="z-index: 9999;"></div> <!-- 底部 Start --> <script type="text/javascript" src="//static.zhaokaoti.com/zhaokaoti/common/artdialog/dialog-plus-min.js"></script> <script type="text/javascript" src="//static.zhaokaoti.com/zhaokaoti/dist/js/jquery.cookie.js"></script> <script type="text/javascript" src="//static.zhaokaoti.com/zhaokaoti/phone/js/common.js"></script> <script type="text/javascript" src="//static.zhaokaoti.com/zhaokaoti/phone/js/downhtml.js?v=202405201055"></script> <script type="text/javascript" id="loginregister"></script> <script type="text/javascript"> document.getElementById("loginregister").src = "//static.zhaokaoti.com/zhaokaoti/phone/js/login.min.js?v=" + Math.random(); var murlpath = "https://m.zhaokaoti.com/"; var stid = "97c8060d536d4113986108255cd4477e"; var stid = "20966018"; var viewid = "F30F33D306560B89"; $('.back').click(() => { history.back(); }); (function () { var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); var _hmt = _hmt || []; (function () { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?9e39d27531974d089d1a954d66a326bd"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> <script charset="UTF-8" id="LA_COLLECT" src="//sdk.51.la/js-sdk-pro.min.js"></script> <script>LA.init({ id: "Jk3GwVaM6KkPYdcA", ck: "Jk3GwVaM6KkPYdcA" })</script> </body> </html>