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實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
    <head>
        <title>页面标题(w3cschool.cn)</title>
    </head>
    <body>
        <h1>我的第一个标题</h1>
        <p>我的第一个段落。</p>
    </body>
</html>
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