摘要：<!DOCTYPE:HTML><html><head><meta encoding="utf-8">hello htmlworld</head><body> <div>my name is 好宝宝 NISUN，and I want to learn
<!DOCTYPE:HTML>
<html>
<head>
<meta encoding="utf-8">
hello htmlworld
</head>
<body>
<div>
my name is 好宝宝 NISUN，and I want to learning html with my great intreast.
</div>
</body>
</html>
批改老师：西门大官人批改时间：2019-03-03 10:39:03
老师总结：第5行的"hello htmlworld"本意是想作为标题吧？应该放到<title></title>标签中。
