链接，图片，及表格
上代码
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>0317作业</title></head><body style="border:0px; margin: 0; padding: 0;"><header><nav class="nav"><ul><li><a href="">菜单一</a></li><li><a href="">菜单二</a></li><li><a href="">菜单三</a></li><li><a href="">菜单四</a></li></ul></nav><img id="ad" src="https://img.php.cn/upload/aroundimg/000/000/001/623c25c006c91144.jpg" alt="广告"></header><!--header 样式--><style>header {width: 100%;height: auto;}ul {float: left;display: flex;}li {list-style: none;}a {text-align: center;margin: 0px 10px 0px 10px;line-height: 50%;text-decoration-line: none;}a:hover {color: rgb(156, 241, 144);background-color: rgb(130, 190, 243);}#ad {width: 100%;}</style><main><div id="neirong">主要内容</div><hr style="width: 100% -2px;;border: 1;padding: 0;margin: 0;"><div id="showimg"><div id="subshow"><div><p>项目一</p><img src="./img/img1.png" alt="img1"></div><div><p>项目二</p><img src="./img/img1.png" alt="img1"></div><div><p>项目三</p><img src="./img/img1.png" alt="img1"></div><div><p>项目四</p><img src="./img/img1.png" alt="img1"></div></div></div></main><!--main 样式--><style>main {width: 100%;}#neirong {margin-top: 40px;text-align: center;font-size: larger;color: brown;}#subshow {display: flex;}#subshow p {text-align: center;}#subshow img {width: 100%;}</style><div id="kechengbiao"><table cellspacing="0" border="1"><caption>课程表</caption><thead><th>课程</th><th>星期1</th><th>星期2</th><th>星期3</th><th>星期4</th><th>星期5</th><tbody><tr><td>语文</td><td>√</td><td>√</td><td>√</td><td>√</td><td>√</td></tr><tr><td>数学</td><td>√</td><td>√</td><td>√</td><td>√</td><td>√</td></tr><tr><td>英语</td><td>√</td><td></td><td>√</td><td></td><td>√</td></tr><tr><td>化学</td><td></td><td>√</td><td></td><td>√</td><td></td></tr><tr><td>物理</td><td></td><td>√</td><td>√</td><td></td><td></td></tr><tr><td>生物</td><td>√</td><td></td><td></td><td></td><td>√</td></tr><tr><td colspan="6">补课</td></tr><tr><td rowspan="2">7~8点</td><td>钢琴</td><td>书法</td><td>太极</td><td>舞蹈</td><td>游泳</td></tr><tr><td>拳击</td><td>LOL</td><td>围棋</td><td>唱歌</td><td>针灸</td></tr><tr><td rowspan="2">8~9点</td><td>逛街</td><td>滑冰</td><td>标枪</td><td>铅球</td><td>射击</td></tr><tr><td>画画</td><td>冥想</td><td>做饭</td><td>雕刻</td><td>总结</td></tr></tbody></th></thead></table></div><!--课程表 样式--><style>#kechengbiao {background-color: antiquewhite; width: 100%;}table {text-align: center;margin: auto;}</style><footer style="position: absolute;text-align: center;width: 100%;">Bruce.Lau</footer></body></html>
