题目内容

Linux的终端软件英文名称是什么？

A. cmd
B. console
C. terminal
D. background

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下载安装软件的命令是什么？

A. apt-getinstall
B. vim-version
C. sudo
D. setup

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下列选项中，描述正确的是（）

A. 通过required属性校验输入框填写内容不能为空，如果为空将弹出提示框，并进行表单提交。
B. 通过required属性校验输入框填写内容不能为空，如果为空将弹出提示框，并阻止表单提交。
C. 通过pattern 属性规定用于验证 input 域的模式（pattern），它接受正则表达式。
D. 通过pattern 属性规定用于验证 input 域的模式（pattern），它接受任意表达式。

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下列选项中，描述正确的是（）

A. maxlength属性可以应用于标签<br> B. maxlength属性只能应用于<input>标签<br> C. placeholder属性可以应用于<textarea>标签<br> D. placeholder属性只能应用于<input>标签<br></p><div class="getanswer"><a href="/q/oM7n9b.html"> 查看答案 </a></div></div><div class="queslist-item"><div class="queslist-title"><h3>HTML5表单验证是应用插件来实现的。()</h3></div><p class="queslist-options"> A. 对<br> B. 错<br></p><div class="getanswer"><a href="/q/VN86V6.html"> 查看答案 </a></div></div></div></div><div class="content-right"><div class="appbanner"><a target="_blank" href="https://www.fenbi.com/depot/fenbi-search-question/index.html?app=souti&signVendor=01DCE437F1F4D23E37869A597C44D560" rel="nofollow"><img src="/img/banner.jpg" title="答案查题题库" alt="答案查题题库"></a></div></div></div><div class="modal"><div class="login-box"><div class="login-modal"><div class="login-title">登录</div><div class="login-body"><form action="#" onsubmit="return false"><input type="hidden" name="_token" value="uwDR77HFxjjiZSSDUGqAt2UMGgHp2wZiZ6OvVBvK"><input id="count" maxlength="30" name="email" type="text" placeholder="邮箱" required><input id="password" maxlength="20" name="password" type="password" placeholder="密码" required><button type="submit" onclick="login()">登录</button></form></div><div class="login-tips"><span class="goforgetpwd">忘记密码</span> | <span class="goregist">立即注册</span></div></div><div class="regist-modal"><div class="login-title">注册</div><div class="login-body"><form action="#" onsubmit="return false" method="post"><input id="regist-count" maxlength="30" name="count" type="text" placeholder="邮箱"><input id="regist-password" maxlength="20" name="password" type="password" placeholder="密码"><div class="code"><input maxlength="6" name="code" id="regist-code" type="text" placeholder="验证码"><span id="regist-code-btn" onclick="send_email('reg')">获取验证码</span></div><button type="submit" onclick="regist()">注册</button></form></div><div class="login-tips"><span class="gologin">已有账号立即登录</span></div></div><div class="forgetpwd-modal"><div class="login-title">忘记密码</div><div class="login-body"><form action="#" onsubmit="return false" method="post"><input id="forget-count" maxlength="30" name="count" type="text" placeholder="邮箱"><input id="forget-password" maxlength="20" name="password" type="password" placeholder="新的密码"><div class="code"><input maxlength="6" name="code" id="forget-code" type="text" placeholder="验证码"><span id="forget-code-btn" onclick="send_email('forget')">获取验证码</span></div><button type="submit" onclick="forget()">找回密码</button></form></div><div class="login-tips"><span class="goregist">立即注册</span></div></div></div><div class="paybox"><div class="paybox-top"><img src="/img/oweb_tc_iconvip.png" alt="vip"><span class="paybox-top-title">套餐购买</span><span class="paybox-top-tips">该问题答案仅对会员开放，欢迎开通会员</span></div><div class="paybox-bottom"><div class="paybox-bottom-content"><ul class="tclist"><li class=" active " data-id="1"><div class="tc-num"> ¥ <span>19.9</span></div><div class="tc-price"> 0.64/天 </div><div class="tc-time"> 1个月(不限次) </div></li><li class=" " data-id="2"><div class="tc-num"> ¥ <span>19.9</span></div><div class="tc-price"> 1000次 </div><div class="tc-time"> (不限时) </div></li><li class=" " data-id="3"><div class="tc-num"> ¥ <span>29.9</span></div><div class="tc-price"> 0.32/天 </div><div class="tc-time"> 3个月(不限次) </div></li><li class=" " data-id="4"><div class="tc-num"> ¥ <span>59.9</span></div><div class="tc-price"> 0.16/天 </div><div class="tc-time"> 1年(不限次) </div></li></ul><div class="pay-platform"><span class="pay-platform-tips">请选择支付方式</span><div class="pay-platform-list"><div class="pay-platform-item active" data-id="1"><img src="/img/weixin.png" alt="weixin"> 微信支付 </div><div class="pay-platform-item" data-id="2"><img src="/img/zhifubao.png" alt="zhifubao"> 支付宝支付 </div></div></div><span class="pay-tips"></span><div class="paybtn"> 立即支付 </div></div></div></div><div class="paycode"><div class="paycode-title"><span id="paycode-platform"></span><span id="paycode-price">39.8</span></div><div id="paycode-img"></div><div id="paycode-orderId"></div><div class="paycode-tips"> 遇到问题请联系<a href="https://jq.qq.com/?_wv=1027&k=zDjL9k2Z" rel="nofollow">在线客服</a></div></div><div class="checkOrder"><div class="checkOrder-title"> 请不要关闭本页面，支付完成请点击<span style="color: red;">【支付完成】</span>按钮 </div><div class="checkOrder-btn"><div id="checkOrder">支付完成</div><div id="cancelOrder">取消订单</div></div><div class="checkOrder-tips"> 遇到问题请联系<a href="https://jq.qq.com/?_wv=1027&k=zDjL9k2Z" rel="nofollow">在线客服</a></div></div></div><div class="tips"></div><div class="footer"><div class="footer-content"><a href="/agreement.html" target="_blank">免责声明</a> | <a href="/sitemap-index.xml" target="_blank">网站地图</a> <br><a href="https://beian.miit.gov.cn/" rel="nofollow" target="_blank">粤ICP备18049098号-5</a> <a href="#" target="_blank">查题吧版权所有 ©2020-2024</a> <a href="" target="_blank">营业执照</a></div></div><script> (function(){ var bp = document.createElement('script'); 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Linux的终端软件英文名称是什么？

A. cmd B. console C. terminal D. background

下载安装软件的命令是什么？

下列选项中，描述正确的是（）

下列选项中，描述正确的是（）

A. cmd
B. console
C. terminal
D. background