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            <title><![CDATA[有关 THU 选课的一些常见问题与注意事项]]></title>
            <link>https://ouuan.moe/post/2022/07/thu-course-selection-tips</link>
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            <pubDate>Mon, 25 Jul 2022 13:05:32 GMT</pubDate>
            <description><![CDATA[<p>还记得刚入学的时候<span class="mojikumi-line-end">，</span>我一开始完全没弄明白要怎么选课<span class="mojikumi-line-end">，</span>当时就想着弄明白了要写一篇选课指南<span class="mojikumi-line-end">。</span></p>
<p>后来<span class="mojikumi-line-end">，</span>我弄明白之后发现不记得自己以前为什么不明白了<span class="mojikumi-line-end">，</span>写不出来了<span class="mojikumi-line-start">（</span></p>
<p>再后来<span class="mojikumi-line-end">，</span>我发现一些身边的同学到了选大二的课的时候还没弄明白选课流程<span class="mojikumi-line-start">（</span></p>
]]></description>
            <content:encoded><![CDATA[<p>还记得刚入学的时候<span class="mojikumi-line-end">，</span>我一开始完全没弄明白要怎么选课<span class="mojikumi-line-end">，</span>当时就想着弄明白了要写一篇选课指南<span class="mojikumi-line-end">。</span></p>
<p>后来<span class="mojikumi-line-end">，</span>我弄明白之后发现不记得自己以前为什么不明白了<span class="mojikumi-line-end">，</span>写不出来了<span class="mojikumi-line-start">（</span></p>
<p>再后来<span class="mojikumi-line-end">，</span>我发现一些身边的同学到了选大二的课的时候还没弄明白选课流程<span class="mojikumi-line-start">（</span></p>

<aside role="note" data-v-a2ab257f><div class="shadow-md rd-1 b-l-6 my-6 bg-orange-1 dark:bg-orange-9 b-orange" data-v-a2ab257f><div class="p-3 flex justify-between items-center" data-v-a2ab257f><h2 class="flex items-center gap-1 font-bold" data-v-a2ab257f><span class="text-5 i-mdi-alert-circle-outline text-orange" data-v-a2ab257f></span><!--v-if--><span data-v-a2ab257f>Warning</span></h2><!--v-if--></div><div class="overflow-auto rd-br-1 bg-card px-6 dark:bg-bghover" data-v-a2ab257f><p>本文内容仅供参考<span class="mojikumi-line-end">，</span>可能因为规则具有时效性<span class="mojikumi-line-end">、</span>不同院系之间存在差别<span class="mojikumi-line-end">、</span>笔者的认识错误或笔误而与实际选课不符<span class="mojikumi-line-end">，</span>还请以实际的选课规则为准<span class="mojikumi-line-end">，</span>必要时向老师或辅导员咨询<span class="mojikumi-line-end">。</span></p></div></div></aside>
<p>当然如果发现了什么错误可以评论区告诉我<span class="mojikumi-line-end">。</span></p>
<h2 id="选课入口------在哪选课啊，我找不到" class="heading"><a href="#选课入口------在哪选课啊，我找不到" class="heading-anchor" aria-label="章节： 选课入口 —— 在哪选课啊，我找不到" tabindex="-1"></a><span>选课入口 —— 在哪选课啊<span class="mojikumi-line-end">，</span>我找不到</span></h2>
<p><a href="https://zhjwxk.cic.tsinghua.edu.cn/xklogin.do">中文选课入口</a></p>
<p>反正我是每次在地址栏输入 <code>xk</code><span class="mojikumi-line-end">，</span>然后匹配到的第一个历史记录就是选课入口<span class="mojikumi-line-end">。</span></p>
<p>也可以在 info 的应用列表中找到<span class="mojikumi-line-start">“</span>本科生选课<span class="mojikumi-line-end">”</span>进入<span class="mojikumi-line-end">。</span></p>
<p>如果是在校外<span class="mojikumi-line-end">，</span>就要用 VPN 访问<span class="mojikumi-line-end">，</span>一般使用 <a href="https://webvpn.tsinghua.edu.cn/">webvpn</a><span class="mojikumi-line-end">，</span>登录进去后就会有选课入口的链接<span class="mojikumi-line-end">。</span></p>
<p>在抢课刚开始等热门时段<span class="mojikumi-line-end">，</span>选课系统一般会非常卡<span class="mojikumi-line-end">，</span>据说使用 <a href="https://zhjwxkyw.cic.tsinghua.edu.cn/xklogin.do">英文选课系统</a> 会不卡一些<span class="mojikumi-line-end">，</span>但不确定是不是真的<span class="mojikumi-line-end">。</span></p>
<p>另外<span class="mojikumi-line-end">，</span>选课系统登录的验证码是大小写敏感的<span class="mojikumi-line-end">。</span>登录会话过期很快<span class="mojikumi-line-end">，</span>可以感觉快要过期了就新开一个页面登录<span class="mojikumi-line-end">，</span>防止原先的页面报错<span class="mojikumi-line-end">，</span>抢课开始前尤其要注意先重新登录一下<span class="mojikumi-line-end">。</span></p>
<h2 id="选课流程------什么是预选、正选、补退选？什么是抽签、抢课？" class="heading"><a href="#选课流程------什么是预选、正选、补退选？什么是抽签、抢课？" class="heading-anchor" aria-label="章节： 选课流程 —— 什么是预选、正选、补退选？什么是抽签、抢课？" tabindex="-1"></a><span>选课流程 —— 什么是预选<span class="mojikumi-line-end">、</span>正选<span class="mojikumi-line-end">、</span>补退选？什么是抽签<span class="mojikumi-line-end">、</span>抢课？</span></h2>
<h3 id="选课流程" class="heading"><a href="#选课流程" class="heading-anchor" aria-label="章节： 选课流程" tabindex="-1"></a><span>选课流程</span></h3>
<h4 id="新生选课流程" class="heading"><a href="#新生选课流程" class="heading-anchor" aria-label="章节： 新生选课流程" tabindex="-1"></a><span>新生选课流程</span></h4>
<p>刚入学时的第一次选课与后面的选课是有一定差异的<span class="mojikumi-line-end">，</span>如果不意识到这一点<span class="mojikumi-line-end">，</span>看到一个对正常选课流程的描述<span class="mojikumi-line-end">，</span>发现和新生选课不同<span class="mojikumi-line-end">，</span>就可能被搞晕<span class="mojikumi-line-end">。</span></p>
<p>新生选课主要有这些特点<span class="mojikumi-line-end">：</span></p>
<ul>
<li>没有正选环节</li>
<li>不分一二三志愿</li>
<li>老生已在上学期末完成了预选和正选<span class="mojikumi-line-end">，</span>而新生在入学时才会进行预选</li>
<li>一些课程会在老生选课时给新生预留部分课容量<span class="mojikumi-line-start">（</span>若新生没选满<span class="mojikumi-line-end">，</span>老生可以在补退选时再抢课<span class="mojikumi-line-end">）</span></li>
</ul>
<h4 id="正常选课流程" class="heading"><a href="#正常选课流程" class="heading-anchor" aria-label="章节： 正常选课流程" tabindex="-1"></a><span>正常选课流程</span></h4>
<p>在选课系统点击<span class="mojikumi-line-start">“</span>选课时间安排<span class="mojikumi-line-end">”</span>就能看到当前学期的完整选课时间安排<span class="mojikumi-line-end">。</span></p>
<p>一般来说<span class="mojikumi-line-end">，</span>选课的主体流程为: 预选 → 正选 → 补退选第一阶段 → 补退选第二阶段 &#x26; 特殊原因补选</p>
<p>除此之外<span class="mojikumi-line-end">，</span>还会有二级选课<span class="mojikumi-line-end">、</span>重修体育课分项等特殊类型选课<span class="mojikumi-line-end">，</span>以及记 P/F 和退课<span class="mojikumi-line-end">。</span></p>
<a id="记得选课！" name="记得选课！" aria-hidden="true"></a>
<aside role="note" data-v-a2ab257f><div class="shadow-md rd-1 b-l-6 my-6 bg-orange-1 dark:bg-orange-9 b-orange" data-v-a2ab257f><div class="p-3 flex justify-between items-center" data-v-a2ab257f><h5 class="flex items-center gap-1 font-bold" data-v-a2ab257f><span class="text-5 i-mdi-alert-circle-outline text-orange" data-v-a2ab257f></span><span class="sr-only" data-v-a2ab257f>Warning: </span><span data-v-a2ab257f>记得选课！</span></h5><!--v-if--></div><div class="overflow-auto rd-br-1 bg-card px-6 dark:bg-bghover" data-v-a2ab257f><p><s>你在说啥？我怎么会忘记选课<span class="mojikumi-line-end">，</span>不会有通知吗</s></p><p>可能会和你想象中不同<span class="mojikumi-line-end">，</span>选课经常是没有通知的<span class="mojikumi-line-end">，</span>或者<span class="mojikumi-line-end">，</span>更准确地说<span class="mojikumi-line-end">，</span>你不一定关注了发布通知的渠道<span class="mojikumi-line-end">，</span>以及通知可能发布得比选课时间早很多<span class="mojikumi-line-end">，</span>等到选课时你可能已经忘了<span class="mojikumi-line-end">。</span></p><p>运气好时<span class="mojikumi-line-end">，</span>你可能会收到通知<span class="mojikumi-line-end">，</span>看到群里或者线下有同学在讨论选课相关的话题<span class="mojikumi-line-end">。</span>但是<span class="mojikumi-line-end">，</span>如果你运气不太好<span class="mojikumi-line-end">，</span>或者是你遇到的是 <strong>二级选课<span class="mojikumi-line-end">、</span>补退选<span class="mojikumi-line-end">、</span>记 P/F<span class="mojikumi-line-end">、</span>退课</strong> 等并非人人关注的选课环节<span class="mojikumi-line-end">，</span>可能真的没有任何人会来通知你<span class="mojikumi-line-end">。</span>所以<span class="mojikumi-line-end">，</span>一定要在选课期间关注选课时间安排<span class="mojikumi-line-end">，</span>不要错过选课<span class="mojikumi-line-end">。</span></p></div></div></aside>
<h4 id="夏季学期（小学期）选课流程" class="heading"><a href="#夏季学期（小学期）选课流程" class="heading-anchor" aria-label="章节： 夏季学期（小学期）选课流程" tabindex="-1"></a><span>夏季学期<span class="mojikumi-line-start">（</span>小学期<span class="mojikumi-line-end">）</span>选课流程</span></h4>
<p>夏季学期没有预选也没有补退选<span class="mojikumi-line-start">（</span>有特殊原因补选<span class="mojikumi">）</span><span class="mojikumi-line-end">，</span>也就是不抽签直接抢课<span class="mojikumi-line-end">。</span>不同课程的上课时间<span class="mojikumi-line-start">（</span>周数<span class="mojikumi-line-end">）</span>差别很大<span class="mojikumi-line-end">，</span>但退课统一在秋季学期开学前不久<span class="mojikumi-line-end">，</span>此时课程可能已经结束<span class="mojikumi-line-end">。</span>具体差别请在夏季学期选课时查看选课系统中的<span class="mojikumi-line-start">“</span>选课时间安排<span class="mojikumi">”</span><span class="mojikumi-line-end">。</span></p>
<h3 id="选课环节" class="heading"><a href="#选课环节" class="heading-anchor" aria-label="章节： 选课环节" tabindex="-1"></a><span>选课环节</span></h3>
<h4 id="预选" class="heading"><a href="#预选" class="heading-anchor" aria-label="章节： 预选" tabindex="-1"></a><span>预选</span></h4>
<p>所谓的<span class="mojikumi-line-start">“</span>抽签<span class="mojikumi">”</span> <s><span class="mojikumi-line-start">“</span>赌场<span class="mojikumi-line-end">”</span></s> 指的就是预选了<span class="mojikumi-line-end">。</span></p>
<p>对于每个课<span class="mojikumi-line-end">，</span>若选课人数超过课容量<span class="mojikumi-line-end">，</span>就会在预选结束后进行抽签<span class="mojikumi-line-end">，</span>在选了这个课的人里随机抽取课容量这么多的人成功选上这门课<span class="mojikumi-line-end">，</span>而其他人则按随机顺序加入 Waiting List<span class="mojikumi-line-end">。</span></p>
<p>但是<span class="mojikumi-line-end">，</span>这里的<span class="mojikumi-line-start">“</span>随机<span class="mojikumi-line-end">”</span>不是完全的随机<span class="mojikumi-line-end">，</span>而是有优先级的 —— 先看课程属性<span class="mojikumi-line-end">，</span>再看志愿优先级<span class="mojikumi-line-end">。</span>课程属性分为必修<span class="mojikumi-line-end">、</span>限选<span class="mojikumi-line-end">、</span>任选<span class="mojikumi-line-end">，</span>除新生选课外志愿分为一二三三档<span class="mojikumi-line-end">，</span>满足特殊条件的话还可以在任选课中拿到<span class="mojikumi-line-start">“</span>优先志愿<span class="mojikumi">”</span><span class="mojikumi-line-end">，</span>总的排序就是: 必修一志愿 > 必修二志愿 > 必修三志愿 > 限选一志愿 > 限选二志愿 > 限选三志愿 > 任选优先志愿 > 任选一志愿 > 任选二志愿 > 任选三志愿<span class="mojikumi-line-end">。</span></p>
<p>抽签时<span class="mojikumi-line-end">，</span>会先依次让每个优先级的所有人选上课<span class="mojikumi-line-end">，</span>如果一个优先级的人数大于当前课余量<span class="mojikumi-line-end">，</span>就会在这一优先级内随机抽取课余量这么多人选上课<span class="mojikumi-line-end">，</span>而没有抽到的人以及更低优先级的人则会落选<span class="mojikumi-line-end">，</span>并按优先级顺序加入 Waiting List<span class="mojikumi-line-end">。</span>也可以理解为以优先级为第一关键字<span class="mojikumi-line-end">、</span>随机数为第二关键字进行排序<span class="mojikumi-line-end">，</span>然后取前课容量这么多的人选上课<span class="mojikumi-line-end">，</span>余下的人按原序加入 Waiting List<span class="mojikumi-line-end">。</span></p>
<a id="waiting-list-顺序与志愿优先级" name="waiting-list-顺序与志愿优先级" aria-hidden="true"></a>
<aside role="note" data-v-a2ab257f><div class="shadow-md rd-1 b-l-6 my-6 bg-blue-1 dark:bg-blue-9 b-blue" data-v-a2ab257f><div class="p-3 flex justify-between items-center" data-v-a2ab257f><h5 class="flex items-center gap-1 font-bold" data-v-a2ab257f><span class="text-5 i-mdi-pencil text-blue" data-v-a2ab257f></span><span class="sr-only" data-v-a2ab257f>Note: </span><span data-v-a2ab257f>Waiting List 顺序与志愿优先级</span></h5><!--v-if--></div><div class="overflow-auto rd-br-1 bg-card px-6 dark:bg-bghover" data-v-a2ab257f><p>有一个流传甚广的传言<span class="mojikumi-line-end">，</span>是 Waiting List 顺序与志愿优先级无关<span class="mojikumi-line-end">。</span>这个传言能流传开来<span class="mojikumi-line-end">，</span>大概是因为实际抽到的 WL 位置不能 100% 证伪这个传言<span class="mojikumi-line-end">，</span>而每学期又只有最多那么几门课会进入 WL<span class="mojikumi-line-end">，</span>也很难收集足够多的数据以在大概率上证伪<span class="mojikumi-line-end">。</span>而一旦把中午 12:00 的志愿当作最终志愿<span class="mojikumi-line-end">，</span>把有人退出队列后的队列位置当作抽到的队列位置<span class="mojikumi-line-end">，</span>或者是怎么算错了<span class="mojikumi-line-end">，</span>就可能误以为<span class="mojikumi-line-start">“</span>证实<span class="mojikumi-line-end">”</span>了这个传言<span class="mojikumi-line-end">。</span></p><p>实际上 <a href="https://announce.cic.tsinghua.edu.cn/node/26766">本科生选课系统Waiting List方案介绍</a> 就明确说了<span class="mojikumi-line-end">：</span></p><blockquote>
<p>未中签的学生<span class="mojikumi-line-end">，</span>系统根据抽签级别顺序进入该课程的WL中候选<span class="mojikumi-line-end">。</span>同一级别的学生随机排序<span class="mojikumi-line-end">。</span></p>
</blockquote><p>但大家看起来都没有看到这个方案介绍<span class="mojikumi-line-end">，</span>都靠口口相传来了解选课规则<span class="mojikumi-line-start">（</span></p></div></div></aside>
<p>一二三志愿是选课者自行选择的<span class="mojikumi-line-end">，</span><strong>每个课程属性</strong>分别可以选择至多 1 门一志愿<span class="mojikumi-line-end">、</span>至多 2 门二志愿<span class="mojikumi-line-end">、</span>任意门三志愿<span class="mojikumi-line-end">，</span>而不同课程属性的志愿之间互不影响<span class="mojikumi-line-end">，</span>也就是说必修一志愿和任选一志愿可以各有一个<span class="mojikumi-line-end">。</span>优先志愿一般是给相关院系/专业的学生<span class="mojikumi-line-end">，</span>需要满足的条件会写在<span class="mojikumi-line-start">“</span>选课文字说明<span class="mojikumi-line-end">”</span>中<span class="mojikumi-line-end">，</span>例如<span class="mojikumi-line-end">，</span>课程<span class="mojikumi-line-start">“</span>计算机科学基础<span class="mojikumi-line-end">”</span>的选课文字说明为<span class="mojikumi-line-start">“</span>优先:计算机类<span class="mojikumi-line-end">、</span>信息与计算科学专业学生选课<span class="mojikumi">”</span><span class="mojikumi-line-end">。</span></p>
<p>在预选期间<span class="mojikumi-line-end">，</span>可以多次修改所选的课程或志愿等级<span class="mojikumi-line-end">，</span>也可以在<span class="mojikumi-line-start">“</span>选课查询 → 志愿填报情况查询<span class="mojikumi-line-end">”</span>中查到所有课的志愿填报情况<span class="mojikumi-line-end">。</span>但是<span class="mojikumi-line-end">，</span>这个志愿填报情况并非实时更新<span class="mojikumi-line-end">，</span>而是只会在每天 8<span class="mojikumi-line-end">、</span>12<span class="mojikumi-line-end">、</span>16<span class="mojikumi-line-end">、</span>20 点更新<span class="mojikumi-line-end">，</span>且预选阶段的最后一次更新会在预选结束前四小时左右<span class="mojikumi-line-end">，</span>所以<span class="mojikumi-line-end">，</span>你查到的志愿填报情况可能和最终的真实情况差别极大<span class="mojikumi-line-end">。</span>如何选择填报志愿的时机<span class="mojikumi-line-end">、</span>如何根据情报调整自己的志愿等级<span class="mojikumi-line-end">、</span>教师乃至课程选择<span class="mojikumi-line-end">，</span>都是一场惊心动魄的博弈 <s><span class="mojikumi-line-end">，</span>这也是预选被称作<span class="mojikumi-line-start">“</span>赌场<span class="mojikumi-line-end">”</span>的重要原因之一</s><span class="mojikumi">。</span><wbr><span class="mojikumi-line-start">（</span>博弈有风险<span class="mojikumi-line-end">，</span>推荐同学们尽早填报真实志愿<span class="mojikumi-line-end">，</span>瞒报志愿可能害人害己<span class="mojikumi">。</span><span class="mojikumi-line-end">）</span></p>
<p>抽签结果一般大约在预选结束三天后<span class="mojikumi-line-end">、</span>正选开始前一天公布<span class="mojikumi-line-start">（</span>可能是要安排教室<span class="mojikumi-line-end">、</span>必要时调整课容量之类的？<span class="mojikumi">）</span><span class="mojikumi-line-end">。</span></p>
<p>在抽签完成后<span class="mojikumi-line-end">，</span>可以在选课系统的课表查询中查看中签情况<span class="mojikumi-line-end">，</span>选上的课会和预选时一样是 <span style="color:#855512;">棕色</span> 的<span class="mojikumi-line-end">，</span>而掉了的课则会显示为<span class="mojikumi-line-start">“</span>候选<span class="mojikumi-line-end">”</span>并且是 <span style="color:#6684A5;">蓝色</span> 的<span class="mojikumi-line-end">。</span></p>
<h4 id="正选、补退选、waiting-list" class="heading"><a href="#正选、补退选、waiting-list" class="heading-anchor" aria-label="章节： 正选、补退选、Waiting List" tabindex="-1"></a><span>正选<span class="mojikumi-line-end">、</span>补退选<span class="mojikumi-line-end">、</span>Waiting List</span></h4>
<p>所谓的<span class="mojikumi-line-start">“</span>抢课<span class="mojikumi-line-end">”</span>主要指的就是正选<span class="mojikumi-line-end">，</span>以及补退选<span class="mojikumi-line-end">。</span></p>
<p>这两者在选课操作上基本上是一样的<span class="mojikumi-line-end">，</span>最大的区别就是正选在上学期末<span class="mojikumi-line-end">、</span>预选结束约四天后进行<span class="mojikumi-line-end">，</span>而补退选在新学期开始上课后进行<span class="mojikumi-line-end">，</span>新生选课则没有正选环节<span class="mojikumi-line-end">。</span></p>
<p>在这一环节中<span class="mojikumi-line-end">，</span>选课不再以抽签进行<span class="mojikumi-line-end">，</span>而是先到先得<span class="mojikumi-line-end">。</span></p>
<p>在这一阶段中<span class="mojikumi-line-end">，</span>除了选课<span class="mojikumi-line-end">，</span>还可以退选<span class="mojikumi-line-end">。</span>这里就涉及到了 <i>Waiting List</i> 的概念<span class="mojikumi-line-end">。</span>顾名思义<span class="mojikumi-line-end">，</span>Waiting List<span class="mojikumi-line-start">（</span>简称 WL<span class="mojikumi-line-end">）</span>就是排队等待课程坑位空出来<span class="mojikumi-line-end">，</span>而空出坑位一般就是有人退选了<span class="mojikumi-line-start">（</span>也可能是课程扩容了<span class="mojikumi">）</span><span class="mojikumi-line-end">。</span>当出现新的课余量时<span class="mojikumi-line-end">，</span>排在 WL 最前端的人就会递补选上这门课<span class="mojikumi-line-end">。</span>可以选择退出 WL<span class="mojikumi-line-end">，</span>这也可以看作是退选的一种<span class="mojikumi-line-end">。</span></p>
<p>特别地<span class="mojikumi-line-end">，</span>补退选分为两个阶段<span class="mojikumi-line-end">，</span>分别位于上课第一周和上课第二周<span class="mojikumi-line-end">，</span>在第二阶段中只能退选不能补选<span class="mojikumi-line-end">。</span></p>
<a id="退出-wl" name="退出-wl" aria-hidden="true"></a>
<aside role="note" data-v-a2ab257f><div class="shadow-md rd-1 b-l-6 my-6 bg-blue-1 dark:bg-blue-9 b-blue" data-v-a2ab257f><div class="p-3 flex justify-between items-center" data-v-a2ab257f><h5 class="flex items-center gap-1 font-bold" data-v-a2ab257f><span class="text-5 i-mdi-pencil text-blue" data-v-a2ab257f></span><span class="sr-only" data-v-a2ab257f>Note: </span><span data-v-a2ab257f>退出 WL</span></h5><!--v-if--></div><div class="overflow-auto rd-br-1 bg-card px-6 dark:bg-bghover" data-v-a2ab257f><p>想选的课只要苦苦等待就可能有机会选上<span class="mojikumi-line-end">，</span>为什么要退出呢？主要有两个原因<span class="mojikumi-line-end">：</span></p><ol>
<li>
<p>同一个课程号的课只能选一个<span class="mojikumi-line-end">。</span>例如<span class="mojikumi-line-end">，</span>你选了 A 老师的数学分析<span class="mojikumi-line-end">，</span>不幸进入 WL<span class="mojikumi-line-end">，</span>只有退出 WL 才能再选 B 老师的数学分析<span class="mojikumi-line-end">。</span></p>
</li>
<li>
<p>WL 中的课程不受学分限制<span class="mojikumi-line-end">，</span>但递补时受学分限制<span class="mojikumi-line-end">。</span>例如<span class="mojikumi-line-end">，</span>你已经选择了 24 学分的课程<span class="mojikumi-line-end">，</span>学分限制为 26<span class="mojikumi-line-end">，</span>你还有两门 2 学分的课程 A 和 B 在 WL 中<span class="mojikumi-line-end">，</span>你比起 B 更想选上 A<span class="mojikumi-line-end">，</span>并且两门课都排在 WL 前端<span class="mojikumi-line-end">，</span>有希望成功递补<span class="mojikumi-line-end">。</span>第二天早上<span class="mojikumi-line-end">，</span>你起来一看<span class="mojikumi-line-end">，</span>两门课都递补了<span class="mojikumi-line-end">，</span>但 B 先递补上<span class="mojikumi-line-end">，</span>占满了学分限制<span class="mojikumi-line-end">，</span>所以后递补的 A 就直接退出了 WL<span class="mojikumi-line-end">，</span>如果想选就得再排在 WL 尾部了<span class="mojikumi-line-end">。</span>所以<span class="mojikumi-line-end">，</span>如果学分总数可能受限而 WL 中的课程递补希望大<span class="mojikumi-line-end">，</span>应当考虑退选已选上的课或其他 WL 中的课来留出学分<span class="mojikumi-line-end">。</span></p>
</li>
</ol><p>如何退出 WL 也是困扰很多同学的一大难题<span class="mojikumi-line-start">（</span><s>选课系统的 UI 是谁设计的</s><span class="mojikumi">）</span><span class="mojikumi-line-end">。</span>在<span class="mojikumi-line-start">“</span>选课查询 → 队列系统查询<span class="mojikumi-line-end">”</span>中只能查询队列信息而不能退出队列<span class="mojikumi-line-end">，</span>要在<span class="mojikumi-line-start">“</span>选课操作 → 一级选课 → 队列信息<span class="mojikumi-line-end">”</span>里退出<span class="mojikumi">。</span><wbr><span class="mojikumi-line-start">（</span>知道在哪退 WL 可能让你在新生第一次补退选中抢占先机<span class="mojikumi-line-start">（</span><s>也可能不止新生那一次<span class="mojikumi-line-end">，</span>直到选大二的课的时候我室友还在问我怎么退 WL</s></p></div></div></aside>
<h4 id="二级选课" class="heading"><a href="#二级选课" class="heading-anchor" aria-label="章节： 二级选课" tabindex="-1"></a><span>二级选课</span></h4>
<p>二级选课也是先到先得<span class="mojikumi-line-end">，</span>分为两次<span class="mojikumi-line-end">，</span>第一次一般位于上学期正选结束后不久<span class="mojikumi-line-end">，</span>第二次一般和补退选一样位于新学期第一周<span class="mojikumi-line-end">。</span></p>
<p>一般来说大部分课不需要二级选课<span class="mojikumi-line-end">，</span>实验课可能会有二级选课<span class="mojikumi-line-end">。</span>在课程信息中会标明一个课是否有二级选课<span class="mojikumi-line-end">，</span>但选课前不一定会告诉你有哪些时间段可以选<span class="mojikumi-line-end">，</span>所以可能需要预留出一些时间给二级课<span class="mojikumi-line-end">，</span>不能选太满或者太分散以至于没有大段的空余时间<span class="mojikumi-line-start">（</span>依具体课程而定<span class="mojikumi-line-end">，</span>可以考虑咨询学长学姐或者老师<span class="mojikumi">）</span><span class="mojikumi-line-end">。</span>数学课的习题课也可能会被标注成有二级选课<span class="mojikumi-line-end">，</span>但我目前上过的数学课都不会真的进行二级选课<span class="mojikumi-line-end">，</span>而是会和同学们一起协商出习题课的时间<span class="mojikumi-line-end">。</span></p>
<p>另外<span class="mojikumi-line-end">，</span>游泳测试需要二级选课<span class="mojikumi-line-end">，</span>且只能在开学后的第二次二级选课选<span class="mojikumi-line-end">。</span></p>
<h4 id="特殊原因补选（手选）" class="heading"><a href="#特殊原因补选（手选）" class="heading-anchor" aria-label="章节： 特殊原因补选（手选）" tabindex="-1"></a><span>特殊原因补选<span class="mojikumi-line-start">（</span>手选<span class="mojikumi-line-end">）</span></span></h4>
<p>特殊原因补选<span class="mojikumi-line-end">，</span>也称手选<span class="mojikumi-line-start">（</span>手动选课<span class="mojikumi">）</span><span class="mojikumi-line-end">，</span>可以无视各种选课规则<span class="mojikumi-line-start">（</span>不受课程容量<span class="mojikumi-line-end">、</span>院系专业等限制<span class="mojikumi-line-end">，</span>甚至可以同时选上课时间冲突的两门课<span class="mojikumi">）</span><span class="mojikumi-line-end">，</span>只要任课教师和开课院系同意<span class="mojikumi-line-start">（</span>如果课容量满了<span class="mojikumi-line-end">，</span>可能需要说明具体原因<span class="mojikumi-line-end">，</span>但如果只是受到专业限制之类的<span class="mojikumi-line-end">，</span>还是很容易申请通过的<span class="mojikumi">）</span><span class="mojikumi-line-end">，</span>就能选上课<span class="mojikumi-line-end">。</span>申请流程详见 <a href="https://jwcbg.cic.tsinghua.edu.cn/download.jsp?attachSeq=2962">网上特殊原因补选课申请系统操作说明<span class="mojikumi-line-start">（</span>学生篇<span class="mojikumi">）</span>.docx</a></p>
<p>由于手选一般安排在开学后第二周<span class="mojikumi-line-end">，</span>最好是通过提前和老师发邮件等方式确定能否手选上<span class="mojikumi-line-end">，</span>也可以一并了解上课地点以及发布给选上课的同学的相关通知<span class="mojikumi-line-end">。</span></p>
<h4 id="记-pf" class="heading"><a href="#记-pf" class="heading-anchor" aria-label="章节： 记 P/F" tabindex="-1"></a><span>记 P/F</span></h4>
<p>记 P/F 即成绩以 P(ass) 或 F(ailure) 记录<span class="mojikumi-line-end">，</span>不记录具体等级<span class="mojikumi-line-end">，</span>只要过了就都一样<span class="mojikumi-line-end">。</span>记 P/F 的课不会有绩点<span class="mojikumi-line-end">，</span>也不会计入 GPA<span class="mojikumi-line-end">。</span></p>
<p>一般情况下<span class="mojikumi-line-end">，</span>只有任选课可以记 P/F<span class="mojikumi-line-end">，</span>必修和限选课不能记<span class="mojikumi-line-end">，</span>并且每学期最多只能选择一门课记 P/F<span class="mojikumi-line-end">。</span>实际操作中<span class="mojikumi-line-end">，</span>如果想记 P/F 的课完全是自己感兴趣而选的<span class="mojikumi-line-end">、</span>不在培养方案中<span class="mojikumi-line-end">，</span>应该就可以放心记 P/F<span class="mojikumi-line-end">；</span>而如果在培养方案中的话<span class="mojikumi-line-end">，</span>最好咨询一下<span class="mojikumi-line-start">（</span>教务<span class="mojikumi-line-end">）</span>老师或者辅导员<span class="mojikumi-line-end">，</span>以免对培养方案的完成或者保研等造成影响<span class="mojikumi-line-end">。</span></p>
<p>除了在记 P/F 阶段在选课系统中主动记 P/F<span class="mojikumi-line-end">，</span>有的课程<span class="mojikumi-line-start">（</span>一般是通识课<span class="mojikumi-line-end">、</span>选修课<span class="mojikumi-line-end">）</span>会自带 P/F<span class="mojikumi-line-end">，</span>即无需手动选择就以 P/F 记录成绩<span class="mojikumi-line-end">，</span>这样的 P/F 不会占用每学期一门课的名额<span class="mojikumi-line-end">，</span>也不会对培养方案的完成造成影响<span class="mojikumi-line-end">。</span>有的课程会在课程介绍中说明是否自带 P/F<span class="mojikumi-line-end">，</span>而有的课就需要咨询学长学姐或者等开课后才知道了<span class="mojikumi-line-end">。</span></p>
<h4 id="退课" class="heading"><a href="#退课" class="heading-anchor" aria-label="章节： 退课" tabindex="-1"></a><span>退课</span></h4>
<p>每学期会有两次退课阶段<span class="mojikumi-line-end">，</span>一般安排在期中附近以及期中后一个月左右<span class="mojikumi-line-end">。</span>在退课阶段退课<span class="mojikumi-line-end">，</span>除非退掉的是还没开课的课程<span class="mojikumi-line-start">（</span>一般是在第一次退课时退掉后八周开课的课程<span class="mojikumi">）</span><span class="mojikumi-line-end">，</span>会在成绩单上记一个 <span class="mojikumi">“</span>W<span class="mojikumi">”</span><wbr><span class="mojikumi-line-start">（</span>W <s>onderful</s> ithdrew<span class="mojikumi">）</span><span class="mojikumi-line-end">。</span>这个 <span class="mojikumi">“</span>W<span class="mojikumi">”</span> 貌似不会有什么实际的影响<span class="mojikumi-line-end">，</span>但总之会显示在你的成绩单上<span class="mojikumi-line-end">。</span></p>
<p>大家一般会因为对课程不感兴趣<span class="mojikumi-line-end">、</span>对自己前半学期的学习情况不满意 <del><span class="mojikumi-line-end">、</span>对期中考试的成绩不满意</del> 等原因而选择退课<span class="mojikumi-line-end">。</span>退课是一件需要慎重考虑的事<span class="mojikumi-line-end">，</span>如果退掉的是比较重要的课<span class="mojikumi-line-end">，</span>就要考虑到重修带来的各方面的影响<span class="mojikumi-line-end">。</span></p>
<a id="第二次退课" name="第二次退课" aria-hidden="true"></a>
<aside role="note" data-v-a2ab257f><div class="shadow-md rd-1 b-l-6 my-6 bg-blue-1 dark:bg-blue-9 b-blue" data-v-a2ab257f><div class="p-3 flex justify-between items-center" data-v-a2ab257f><h5 class="flex items-center gap-1 font-bold" data-v-a2ab257f><span class="text-5 i-mdi-info-circle-outline text-blue" data-v-a2ab257f></span><span class="sr-only" data-v-a2ab257f>Info: </span><span data-v-a2ab257f>第二次退课</span></h5><!--v-if--></div><div class="overflow-auto rd-br-1 bg-card px-6 dark:bg-bghover" data-v-a2ab257f><p>自 2023-2024 秋季学期起<span class="mojikumi-line-end">，</span>位于期中后的第二次退课只能退后八周开设的课程<span class="mojikumi-line-end">。</span></p></div></div></aside>
<a id="我到底是在退课，退课，还是退课------删课-vs-退选-vs-退课" name="我到底是在退课，退课，还是退课------删课-vs-退选-vs-退课" aria-hidden="true"></a>
<aside role="note" data-v-a2ab257f><div class="shadow-md rd-1 b-l-6 my-6 bg-blue-1 dark:bg-blue-9 b-blue" data-v-a2ab257f><div class="p-3 flex justify-between items-center" data-v-a2ab257f><h5 class="flex items-center gap-1 font-bold" data-v-a2ab257f><span class="text-5 i-mdi-pencil text-blue" data-v-a2ab257f></span><span class="sr-only" data-v-a2ab257f>Note: </span><span data-v-a2ab257f>我到底是在退课，退课，还是退课 😵 —— 删课 vs 退选 vs 退课</span></h5><!--v-if--></div><div class="overflow-auto rd-br-1 bg-card px-6 dark:bg-bghover" data-v-a2ab257f><p>在预选<span class="mojikumi-line-end">、</span>正选/补退选<span class="mojikumi-line-end">、</span>退课三个不同的阶段<span class="mojikumi-line-end">，</span>都有类似<span class="mojikumi-line-start">“</span>退课<span class="mojikumi-line-end">”</span>的操作<span class="mojikumi-line-end">。</span>其实我也不知道这三个阶段中的<span class="mojikumi-line-start">“</span>退课<span class="mojikumi-line-end">”</span>分别应当叫做什么<span class="mojikumi-line-end">，</span>而在实际交谈中<span class="mojikumi-line-end">，</span>同学们可能会把这三种<span class="mojikumi-line-start">“</span>退课<span class="mojikumi-line-end">”</span>混为一谈<span class="mojikumi-line-end">。</span></p><p>在预选阶段<span class="mojikumi-line-end">，</span>删除一门课是不会有任何负面影响的<span class="mojikumi-line-end">，</span>选一门课再删掉和从来没选过完全一样<span class="mojikumi-line-end">，</span>删掉再选和不删也完全一样<span class="mojikumi-line-start">（</span>当然<span class="mojikumi-line-end">，</span>你会需要多操作两次<span class="mojikumi-line-end">，</span>而且别人看到的志愿填报情况可能会不一样<span class="mojikumi">）</span><span class="mojikumi-line-end">。</span></p><p>在正选/补退选阶段<span class="mojikumi-line-end">，</span>如果退选一门课<span class="mojikumi-line-end">，</span>空出来的位置就随时可能被他人抢走<span class="mojikumi-line-end">，</span>如果 WL 中有其他同学则会立刻递补<span class="mojikumi-line-end">，</span>但成绩单上不会有 <span class="mojikumi">“</span>W<span class="mojikumi">”</span><span class="mojikumi-line-end">，</span>也可以再次选课<span class="mojikumi-line-start">（</span>除了补退选第二阶段<span class="mojikumi">）</span><span class="mojikumi-line-end">。</span></p><p>在退课阶段退课<span class="mojikumi-line-end">，</span>就是真正的退课了<span class="mojikumi-line-end">，</span>没有再选课的机会<span class="mojikumi-line-end">，</span>并且成绩单上会有一个 <span class="mojikumi">“</span>W<span class="mojikumi">”</span><wbr><span class="mojikumi-line-start">（</span>除非后八周课程尚未开课<span class="mojikumi">）</span><span class="mojikumi-line-end">。</span></p></div></div></aside>
<h2 id="课程信息与选课操作------怎么找不到要选的课？怎么知道课在哪上呢？" class="heading"><a href="#课程信息与选课操作------怎么找不到要选的课？怎么知道课在哪上呢？" class="heading-anchor" aria-label="章节： 课程信息与选课操作 —— 怎么找不到要选的课？怎么知道课在哪上呢？" tabindex="-1"></a><span>课程信息与选课操作 —— 怎么找不到要选的课？怎么知道课在哪上呢？</span></h2>
<h3 id="切换学期" class="heading"><a href="#切换学期" class="heading-anchor" aria-label="章节： 切换学期" tabindex="-1"></a><span>切换学期</span></h3>
<p>选课系统的左上角可以选择学期<span class="mojikumi-line-end">，</span>选课前需要先确认选择的是正确的学期<span class="mojikumi-line-end">。</span></p>
<h3 id="查看课程信息" class="heading"><a href="#查看课程信息" class="heading-anchor" aria-label="章节： 查看课程信息" tabindex="-1"></a><span>查看课程信息</span></h3>
<p>在选课系统的<span class="mojikumi-line-start">“</span>开课信息 → 一级课开课信息<span class="mojikumi-line-end">”</span>中可以找到当前学期所有课程的信息<span class="mojikumi-line-end">，</span>可以在这搜索你想上的通识选修课有没有开课<span class="mojikumi-line-end">，</span>查看课程简介<span class="mojikumi-line-end">、</span>上课时间<span class="mojikumi-line-end">、</span>选课要求<span class="mojikumi-line-end">，</span>查看教师信息<span class="mojikumi-line-start">（</span>包括邮箱<span class="mojikumi">）</span><span class="mojikumi-line-end">。</span></p>
<h3 id="选课操作与课程属性" class="heading"><a href="#选课操作与课程属性" class="heading-anchor" aria-label="章节： 选课操作与课程属性" tabindex="-1"></a><span>选课操作与课程属性</span></h3>
<p>在<span class="mojikumi-line-start">“</span>选课操作 → 一级选课<span class="mojikumi-line-end">”</span>中<span class="mojikumi-line-end">，</span>首先看到的会是当前学期的必修课<span class="mojikumi-line-end">。</span>如果在必修课和限选课<span class="mojikumi-line-start">（</span>以及体育课<span class="mojikumi-line-end">）</span>中都没有看到想报的课<span class="mojikumi-line-end">，</span>就要在任选课中手动搜索<span class="mojikumi-line-end">。</span></p>
<p><s>这不是废话吗</s> 但是<span class="mojikumi-line-end">，</span>这里的课程属性可能和你想像中不一样<span class="mojikumi-line-end">，</span>因为同一个课程在不同地方会有不同的属性<span class="mojikumi-line-end">：</span></p>
<ul>
<li>在培养方案中会有课程属性<span class="mojikumi-line-end">，</span>你认为的课程该有的属性很可能是培养方案中的课程属性<span class="mojikumi-line-end">。</span></li>
<li>选课系统中的课程属性取决于当前学期的指导性教学计划<span class="mojikumi-line-end">，</span>一门课很可能只在一个学期是必修<span class="mojikumi-line-end">，</span>而在别的学期就只是任选<span class="mojikumi-line-end">。</span>特别地<span class="mojikumi-line-end">，</span>外语课总是任选<span class="mojikumi-line-end">。</span></li>
<li>info 上的成绩单以及培养方案完成情况中会另有一套课程属性<span class="mojikumi-line-end">，</span>大致是限选课变成了必修<span class="mojikumi-line-end">，</span>任选课变成了限选<span class="mojikumi-line-end">，</span>培养方案外的课才是任选<span class="mojikumi-line-end">。</span></li>
</ul>
<p>需要注意的是<span class="mojikumi-line-end">，</span>决定志愿优先级的课程属性是由教学计划决定的<span class="mojikumi-line-end">，</span>这也是鼓励大家按教学计划选择必修课<span class="mojikumi-line-end">，</span>如果错过了必修课在教学计划的学期<span class="mojikumi-line-end">，</span>之后的志愿等级可能就是任选了<span class="mojikumi-line-end">。</span></p>
<h3 id="教室位置查看" class="heading"><a href="#教室位置查看" class="heading-anchor" aria-label="章节： 教室位置查看" tabindex="-1"></a><span>教室位置查看</span></h3>
<p>教室的位置在预选时是尚未安排好的<span class="mojikumi-line-end">，</span>要在预选结果出来后才能在课表等位置看到教室在哪<span class="mojikumi-line-end">。</span></p>
<p>在 <a href="https://tsinghua.app/courses">courseX</a> 上可以看到他人分享的教室位置信息<span class="mojikumi-line-end">，</span>但不一定全<span class="mojikumi-line-end">。</span>这些信息主要是 <a href="https://tsinghua.app/learnX">learnX</a> 在用户主动同意后自动收集的<span class="mojikumi-line-end">，</span>learnX 是对 <a href="https://learn.tsinghua.edu.cn">网络学堂</a> 非常好的补充<span class="mojikumi-line-end">，</span>推荐使用<span class="mojikumi-line-end">，</span>也希望大家能在设置中开启课程信息共享<span class="mojikumi-line-end">。</span></p>
<h3 id="关于上课时间" class="heading"><a href="#关于上课时间" class="heading-anchor" aria-label="章节： 关于上课时间" tabindex="-1"></a><span>关于上课时间</span></h3>
<p>上课时间一般会以大节编号和周数的形式呈现<span class="mojikumi-line-end">，</span>例如 <code>1<wbr>-<wbr>1<wbr>(全周),<wbr>3<wbr>-<wbr>4<wbr>(全周)</code> 表示每周一第一大节和每周三第四大节上课<span class="mojikumi-line-end">，</span><code>4-6(前八周)</code> 表示前八周周四第六大节上课<span class="mojikumi-line-end">。</span></p>
<p>每大节的具体时间可以在课表中查看<span class="mojikumi-line-end">。</span>一大节一般是两小节课各 45min 中间有 5min 休息<span class="mojikumi-line-end">，</span>但第二大节和第六大节都有三小节<span class="mojikumi-line-end">，</span>有的课会上满三小节<span class="mojikumi-line-end">，</span>而有的课会只上两小节<span class="mojikumi-line-end">，</span>而这一般可以通过课程的学分看出来<span class="mojikumi-line-end">，</span>每一学分对应全周的一小节课<span class="mojikumi-line-end">，</span>也就是八周的两小节课<span class="mojikumi-line-end">。</span>如果一个 4 学分的课在全周的一个第二大节和一个第三大节上<span class="mojikumi-line-end">，</span>那很有可能就是第二大节只上两小节<span class="mojikumi-line-end">。</span>特别地<span class="mojikumi-line-end">，</span>思想道德与法治<span class="mojikumi-line-end">、</span>中国近现代史纲要<span class="mojikumi-line-end">、</span>马克思主义基本原理等课程会比学时对应的学分多一分<span class="mojikumi-line-end">，</span>这三节课分别是 3<span class="mojikumi-line-end">、</span>3<span class="mojikumi-line-end">、</span>4 学分<span class="mojikumi-line-end">，</span>但分别对应全周上 2<span class="mojikumi-line-end">、</span>2<span class="mojikumi-line-end">、</span>3 小节<span class="mojikumi-line-end">。</span></p>
<h3 id="往年开课信息" class="heading"><a href="#往年开课信息" class="heading-anchor" aria-label="章节： 往年开课信息" tabindex="-1"></a><span>往年开课信息</span></h3>
<ul>
<li>开放选课时选课系统中可以查询上一学年的课程评价信息</li>
<li>选课系统中切换学期可能可以查看上学期的课程信息</li>
<li>网络学堂上可以搜索往年课程信息</li>
<li><a href="https://announce.cic.tsinghua.edu.cn/node/25833">历年本科生开课目录</a></li>
</ul>
<h2 id="体育课------为什么-26-分的限制-ta-可以报-28-分还不用申请特批学分？" class="heading"><a href="#体育课------为什么-26-分的限制-ta-可以报-28-分还不用申请特批学分？" class="heading-anchor" aria-label="章节： 体育课 —— 为什么 26 分的限制 TA 可以报 28 分还不用申请特批学分？" tabindex="-1"></a><span>体育课 —— 为什么 26 分的限制 TA 可以报 28 分还不用申请特批学分？</span></h2>
<p>体育课在选课中有一些特殊之处<span class="mojikumi-line-end">：</span></p>
<ol>
<li>体育课是不占用学分限制的</li>
<li>体育课在选课时具有单独的课程属性<span class="mojikumi-line-end">，</span>算在必限任之外<span class="mojikumi-line-start">（</span>这也是有人找不到或者忘记报体育课的一大原因<span class="mojikumi-line-end">）</span></li>
<li>体育课虽然只能上一门<span class="mojikumi-line-end">，</span>但预选时可以报很多门<span class="mojikumi-line-end">，</span>等级高的志愿优先选上<span class="mojikumi-line-end">，</span>等级低的志愿就会自动取消</li>
<li>如果体育课挂科了<span class="mojikumi-line-end">，</span>重修选课时会有特殊的流程<span class="mojikumi-line-end">，</span>详见<span class="mojikumi-line-start">“</span>选课时间安排<span class="mojikumi-line-end">”</span></li>
</ol>
<p>正因为前三点<span class="mojikumi-line-end">，</span>可以多报几门体育课<span class="mojikumi-line-end">，</span>提高选上想上的课的概率<span class="mojikumi-line-end">，</span>既不会占用学分限制也不会浪费一二志愿<span class="mojikumi-line-end">。</span></p>]]></content:encoded>
            <category domain="https://ouuan.moe/tag/%E9%80%89%E8%AF%BE">选课</category>
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