代码：
<!-- test.html-->
<html>
<head>
<title>test.html</title>
<meta name="keywords" content="keyword1,keyword2,keyword3">
<meta name="description" content="this is my page">
<meta name="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
</head>
<body>
<h2 align=left>互联网发展的起源</h2>
<br/> <image src="123.jpg" width="200" height="150" align="left">
</body>
</html>