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<span>行内元素</span>
<img width="150px" src="../音视频/ad8.jpeg" alt="图片加载失败文字说明">
<img src="https://img1.baidu.com/it/u=1960110688,1786190632&fm=253&app=138&size=w931&n=0&f=JPEG&fmt=auto?sec=1685466000&t=c9eb18d2d11a1876c67cdc0e07de8b59" alt="">
<div>块级元素</div>
<h1 id="box">一级标题</h1>
<h2>二级标题</h2>
<h3>三级标题</h3>
<h4>四级标题</h4>
<h5>五级标题</h5>
<h6>六级标题</h6>
<a href="./2-块级元素和行内元素.html" >跳转到2页面</a>
<a href="https://www.baidu.com" >百度一下</a>
<a href="mailto:2681091754@qq.com">打开邮箱</a>
<br><br><br><br><br><br><br><br><br><br>
<br><br><br><br><br><br><br><br><br><br>
<span>行内元素</span><br><span>行内元素</span>
<a href="#">回到顶部</a>
<br>
<a href="#box">回到h1标题</a>
<hr>
<div>hr是分割线</div>
<p>段落标签</p>
<a href="./4-音视频.html">跳转到音视频</a>
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