×
单选题
13、在HTML中,用于设置页面元信息的标示符是( )。
A
<title>
B
<base>
C
<head>
D
<meta>
答案解析
正确答案：D
解析：
这道题目考察的是HTML中用于设置页面元信息的标示符。
解析各个选项：
A.：这个标签用于定义文档的标题，这个标题会显示在浏览器的标签栏或者标题栏上，但它不是专门用于设置页面元信息的。<br/><br/>B. <base>：<base> 标签为页面上的所有 URL 规定一个基本 URL。无论页面上的链接是什么，拥有 <base> 标签后，浏览器都会自动将链接的基本 URL 解析为 <base> 标签中指定的那个。但它也不是专门用于设置页面元信息的。<br/><br/>C. <head>：<head> 标签用于包含了所有的头部（header）元素。这些元素描述了文档的元数据（meta-data），包括文档的标题（title）、使用的字符集、对外部文件（如样式表、脚本）的引用等。但 <head> 本身不是用于设置页面元信息的具体标签，而是包含这些信息的容器。<br/><br/>D. <meta>：<meta> 标签提供了 HTML 文档的元数据。元数据是关于数据的数据，不会直接显示在页面上，但是对于机器是可读的。元数据可用于浏览器（如何显示内容或重新加载页面），搜索引擎（关键词），或其他 web 服务。这正是用于设置页面元信息的标签。<br/><br/>因此，正确答案是 D，<meta> 标签用于设置页面元信息。</div>
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<div class="setting-label" style="width: 80px; font-weight: 500; font-size: 13px;">选择章节：</div>
<div class="setting-control" style="flex: 1;">
<select id="zhangjiexl" class="chapter-select" style="width: 100%; padding: 5px; border-radius: 4px; border: 1px solid #ddd; background-color: white; font-size: 13px;">
<option value="0" selected>全部章节</option>
</select>
</div>
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<!-- 考试时间 -->
<div class="paper-setting-item" style="display: flex; align-items: center;">
<div class="setting-label" style="width: 80px; font-weight: 500; font-size: 13px;">考试时间：</div>
<div class="setting-control" style="flex: 1;">
<input id="exam-time" type="time" value="01:00:00" step="1" style="width: 100%; padding: 5px; border-radius: 4px; border: 1px solid #ddd; background-color: white; font-size: 13px;">
</div>
</div>
</div>
<div class="paper-setting" style="margin-bottom: 10px;">
<div class="question-type" style="padding: 8px 0;">
<div class="type-name" style="font-size: 14px;">单选题<span style="margin-left:8px;" id="danxuantixs">0</span></div>
<div class="type-info" style="gap: 8px;">
<div class="type-count">
<span style="font-size: 13px;">数量：</span>
<input id="dxnum" type="number" min="0" max="1000" value="0" autocomplete="off" class="question-count" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-score">
<span style="font-size: 13px;">分值：</span>
<input id="dxfnum" type="number" value="1" autocomplete="off" class="question-score" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-total" data-type="single" style="font-size: 13px;">共0分</div>
</div>
</div>
<div class="question-type" style="padding: 8px 0;">
<div class="type-name" style="font-size: 14px;">多选题<span style="margin-left:8px;" id="duoxuantixs">0</span></div>
<div class="type-info" style="gap: 8px;">
<div class="type-count">
<span style="font-size: 13px;">数量：</span>
<input id="duoxnum" type="number" min="0" max="1000" value="0" autocomplete="off" class="question-count" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-score">
<span style="font-size: 13px;">分值：</span>
<input id="duoxfnum" type="number" value="1" autocomplete="off" class="question-score" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-total" data-type="multiple" style="font-size: 13px;">共0分</div>
</div>
</div>
<div class="question-type" style="padding: 8px 0;">
<div class="type-name" style="font-size: 14px;">判断题<span style="margin-left:8px;" id="panduantixs">0</span></div>
<div class="type-info" style="gap: 8px;">
<div class="type-count">
<span style="font-size: 13px;">数量：</span>
<input id="pdnum" type="number" min="0" max="1000" value="0" autocomplete="off" class="question-count" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-score">
<span style="font-size: 13px;">分值：</span>
<input id="pdfnum" type="number" value="1" autocomplete="off" class="question-score" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-total" data-type="judge" style="font-size: 13px;">共0分</div>
</div>
</div>
<div class="question-type" style="padding: 8px 0;">
<div class="type-name" style="font-size: 14px;">填空题<span style="margin-left:8px;" id="tiankongtixs">0</span></div>
<div class="type-info" style="gap: 8px;">
<div class="type-count">
<span style="font-size: 13px;">数量：</span>
<input id="tknum" type="number" min="0" max="1000" value="0" autocomplete="off" class="question-count" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-score">
<span style="font-size: 13px;">分值：</span>
<input id="tkfnum" type="number" value="1" autocomplete="off" class="question-score" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-total" data-type="fill" style="font-size: 13px;">共0分</div>
</div>
</div>
<div class="question-type" style="padding: 8px 0;">
<div class="type-name" style="font-size: 14px;">简答题<span style="margin-left:8px;" id="jiandatixs">0</span></div>
<div class="type-info" style="gap: 8px;">
<div class="type-count">
<span style="font-size: 13px;">数量：</span>
<input id="jdnum" type="number" min="0" max="1000" value="0" autocomplete="off" class="question-count" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-score">
<span style="font-size: 13px;">分值：</span>
<input id="jdfnum" type="number" value="1" autocomplete="off" class="question-score" data-type="single" style="width: 60px; padding: 3px 5px;">
</div>
<div class="type-total" data-type="program" style="font-size: 13px;">共0分</div>
</div>
</div>
</div>
<div class="paper-summary" style="padding: 10px; margin-bottom: 10px;">
<div class="summary-item">
<div class="summary-label" style="font-size: 13px;">总题数</div>
<div id="ztnum" class="summary-value" id="total-questions" style="font-size: 16px;">0题</div>
</div>
<div class="summary-item">
<div class="summary-label" style="font-size: 13px;">总分值</div>
<div id="zfnum" class="summary-value" id="total-score" style="font-size: 16px;">0分</div>
</div>
</div>
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<button id="cancel-paper-btn" class="modal-btn cancel-btn">取消</button>
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<h3 class="modal-title">考试记录</h3>
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<p class="modal-desc">以下是您的考试记录，点击可查看详情：</p>
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<!-- 考试记录项会动态加载 -->
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解析各个选项：
A.