观察以下代码,并完成指定操作:<;ul class="menu">;<;li>;<;a>;菜单一<;/a>;<;span style="display:none;">;菜单项介绍<;/span>;<;/li>;<;li>;<;a>;菜单一<;/a>;<;span style="display:none;">;菜单项介绍<;/span>;<;/li>;<;li>;<;a>;菜单一<;/a>;<;span style="display:none;">;菜单项介绍<;/span>;<;/li>;<;li>;<;a>;菜单二<;/a>;<;span style="display:none;">;菜单项介绍<;/span>;<;/li>;<;/ul>;1)当鼠标放在列表项上时显示span为块元素类型______________________2)设置菜单二背景色为#EEEEEE______________________
举一反三
- <ol> <li><span style="font-family:宋体">论文的一般投稿流程是()</span></li> </ol>
- 在HTML页面中有如下结构的代码: <div id=’header’> <h3><span>S3N认证考试</span></h3> <ul> <li>一</li> <li>二</li> <li>三</li> <li>四</li> </ul> </div> 请问下列选项()所示jQuery代码,不能够让汉字四的颜色变成红色
- 制作横向菜单时,用于标记菜单项的li必须设置的属性是() A: li{text-align:center;} B: li{text-decoration:none;} C: li{text-align:left;} D: li{float:left;}
- <p class="p1" style="border:0px; margin:0px 0px 1.416em; padding:0px; text-align:left; -webkit-text-stroke-width:0px"><span style="font-size:16px"><span style="text-rendering:optimizeLegibility"><span style="outline:0px"><span style="font-style:normal"><span style="font-variant:normal"><span style="font-weight:400"><span style="font-stretch:normal"><span style="line-height:1.6em !important"><span style="font-family:"Songti SC""><span style="vertical-align:baseline"><span style="color:#4c4c4c"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><b style="text-rendering:optimizeLegibility; font-weight:bold; margin:0px; padding:0px; border:0px; outline:0px; font-style:inherit; font-variant:inherit; font-stretch:inherit; font-size:inherit; line-height:1.4em; font-family:inherit; vertical-align:baseline"> 实践题(请根据以下给定的研究情境回答问题)</b></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p> <p class="p1" style="border:0px; margin:20px 0px 1.416em; padding:0px; text-align:left; -webkit-text-stroke-width:0px"><span style="font-size:16px"><span style="text-rendering:optimizeLegibility"><span style="outline:0px"><span style="font-style:normal"><span style="font-variant:normal"><span style="font-weight:400"><span style="font-stretch:normal"><span style="line-height:1.6em !important"><span style="font-family:"Songti SC""><span style="vertical-align:baseline"><span style="color:#4c4c4c"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="white-space:normal"><span style="widows:2"><span style="word-spacing:0px"><span style="background-color:#ffffff"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">有学者想要研究中国城市中农民工的城市定居意愿,基于对移民研究的相关文献阅读,发现对于移民的定居意愿到底是由就业与收入预期(经济动机因素)、还是他们在流入地和流出地的社会交往与融入程度(社会融入因素)决定,学者们还存在争论。基于此,学者通过对中国城市农民工的问卷调查数据来检验其定居意愿是受经济因素还是社会融入因素的影响。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p> (1)这是一项什么类型的研究? <p></p> <p></p>
- 智慧职教: <p>阅读障碍的主要原因有<span style="text-decoration: underline;"> </span><span style="text-decoration: none;">。</span></p>