单选题

为一个HTML文档加一个标题应该使用的HTML标记是:()

A

B

C

D…</p></div><div class="info"><h3 class="title">正确答案</h3><script>ai2();</script><div class="text"><img alt="来源:www.examk.com" src="data:image/png;base64,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" /></div></div><div class="info"><h3 class="title">答案解析</h3><div class="text"> 略 </div></div></div><div class="box"><div class="hd"><div class="title title--blue"><i class="icon"></i><span>相似试题</span></div></div><ul class="qlist"><li><p class="text">为了标识一个HTML文档应该使用的HTML标记是()。</p><p class="ft"><span class="mode">单选题</span><a href="/p/431145164.html" class="btn-outline">查看答案</a></p></li><li><p class="text">DOM为HTML文档定义了一个与平台无关的程序接口,使用该接口不可以控制文档的()。</p><p class="ft"><span class="mode">单选题</span><a href="/p/3418214313.html" class="btn-outline">查看答案</a></p></li><li><p class="text">为了标识一个HTML文件应该使用的HTML标记是()</p><p class="ft"><span class="mode">单选题</span><a href="/p/2921438170.html" class="btn-outline">查看答案</a></p></li><li><p class="text">为了标识一个HTML文件开始应该使用的HTML标记是()。</p><p class="ft"><span class="mode">单选题</span><a href="/p/383588946.html" class="btn-outline">查看答案</a></p></li><li><p class="text">在JavaScript中,document对象的()方法用于向document对象所对应的HTML文档页面写入内容,()属性为document对象所对应的HTML文档定义标题。</p><p 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