首页全国计算机等级考试二级 模拟试卷第30套（2026年1月）
2026年全国
全国计算机等级考试二级 模拟试卷第30套（2026年1月）
题号
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五
评分
单项选择题 (共40题)
1.
以下哪个选项能用于验证用户输入的密码和确认密码是否一致？
A.If语句
B.For循环
C.While循环
D.Do While循环
难度: ★★★★★知识点: 第十二章 综合应用与项目开发使用次数: 138
2.
3.
关于函数参数，以下哪项说法是错误的？
A.形参可以有默认值
B.可以使用可变参数（*args）
C.可以在函数内修改全局变量
D.不能重复定义相同参数名
难度: ★★★★★知识点: 第四章 函数与模块使用次数: 138
4.
5.
以下哪项是print调试中常见的问题？
A.print语句过多导致性能下降
B.无法控制输出格式
C.程序输出被重定向到文件
D.输出信息量少
难度: ★★★★★知识点: 第八章 异常处理与调试使用次数: 138
6.
7.
8.
9.
以下哪项是正确的f-string格式化方式？
A.f'Hello {name}'
B.f'Hello {name} age {age}'
C.f'Hello {name}, age {age}'
D.以上都是
难度: ★★★★★知识点: 第六章 字符串处理使用次数: 138
10.
11.
12.
13.
14.
下列哪一个函数划分方式更符合规范？
A.将所有的计算操作集中在主函数中。
B.将不同的逻辑任务划分到不同的函数中。
C.将未使用的函数全部删除。
D.所有的函数都使用相同的参数。
难度: ★★★★★知识点: 第十一章 模块化程序设计使用次数: 138
15.
以下哪一项不是软件质量保证标准的特点？
A.提供标准化的质量框架
B.只适用于功能软件
C.强调软件质量的可衡量性
D.支持软件项目的持续改进
难度: ★★★★★知识点: 第四章 测试管理与质量保证使用次数: 138
16.
17.
18.
若要使用random模块中的random()函数生成随机浮点数，正确的导入方式是？
A.import random
B.from random import random
C.import random as r
D.from random import *
难度: ★★★★★知识点: 第四章 函数与模块使用次数: 138
19.
20.
以下哪个事件是 DOM Level 2 的标准事件？
A.onclick
B.onmouseover
C.ontouchstart
D.onhashchange
难度: ★★★★★知识点: 第三章 JavaScript基础使用次数: 138
21.
定义一个定时器，每 2 秒执行一次函数，正确的语句是？
A.setInterval(function, 2000)
B.setTimeout(function, 2000)
C.setInterval(2000, function)
D.setTimeout(2000, function)
难度: ★★★★★知识点: 第五章 BOM对象与浏览器操作使用次数: 138
22.
在执行SELECT语句时，以下哪一项是必须的？
A.FROM子句
B.WHERE子句
C.ORDER BY子句
D.GROUP BY子句
难度: ★★★★★知识点: 第九章 Java数据库编程使用次数: 138
23.
24.
在Java中，使用哪种类可以实现一个线程安全的队列？
A.LinkedList
B.ArrayList
C.Vector
D.HashMap
难度: ★★★★★知识点: 第八章 程序设计语言与实践使用次数: 138
25.
JavaScript在网页开发中主要承担的角色是什么？
A.页面布局定义
B.样式设计
C.动态行为和交互逻辑处理
D.数据存储
难度: ★★★★★知识点: 第三章 JavaScript基础使用次数: 138
26.
27.
28.
以下代码的执行结果是？
int x = 5;
if (x < 10) {
printf("x is less than 10");
} else {
printf("x is greater or equal to 10");
}
A.x is less than 10
B.x is greater or equal to 10
C.输出两个语句
D.无输出
难度: ★★★★★知识点: 第八章 程序设计语言与实践使用次数: 138
29.
30.
以下哪种Wi-Fi标准同时支持2.4GHz和5GHz频段？
A.802.11a
B.802.11b
C.802.11g
D.802.11n
难度: ★★★★★知识点: 第三章 局域网技术使用次数: 138
31.
32.
动态规划算法的最优子结构是指？
A.大问题的最优解包含子问题的最优解
B.问题必须能够用递归方式解决
C.子问题之间存在依赖关系
D.问题具有重叠子问题
难度: ★★★★★知识点: 第六章 算法与数据结构基础使用次数: 138
33.
在 Windows 系统中安装 JDK 后，如何配置环境变量？
A.通过系统设置修改 PATH
B.在命令行中执行 'set PATH' 命令
C.在系统属性中设置 JAVA_HOME 和 PATH
D.所有以上选项
难度: ★★★★★知识点: 第一章 Java语言概述使用次数: 138
34.
下列哪项是分支结构的典型应用？
A.打印 1 到 10 的数字
B.根据用户输入判断是否执行某个功能
C.多次执行同一段代码
D.按顺序执行代码块
难度: ★★★★★知识点: 第四章 程序设计基础使用次数: 138
35.
Premiere中导入素材到项目文件的正确操作是？
A.从文件菜单选择'导入'，然后选择需要导入的素材文件。
B.直接拖拽素材文件到项目面板。
C.使用媒体浏览器的拖放功能。
D.以上都正确。
难度: ★★★★★知识点: 第三章 多媒体软件系统使用次数: 138
36.
在Java中，比较两个字符串是否相等应使用哪个方法？
A.equals()
B.==
C.compareTo()
D.equalsIgnoreCase()
难度: ★★★★★知识点: 第三章 数组与字符串使用次数: 138
37.
38.
在 JDBC 中，关闭数据库连接的顺序应该是？
A.关闭 ResultSet -> Statement -> Connection
B.关闭 Statement -> ResultSet -> Connection
C.关闭 Connection -> Statement -> ResultSet
D.关闭 ResultSet -> Connection -> Statement
难度: ★★★★★知识点: 第十一章 Java应用开发综合使用次数: 138
39.
以下哪个是JavaScript中常用的类型转换函数？
A.parseInt()
B.parseFloat()
C.toString()
D.all of the above
难度: ★★★★★知识点: 第七章 网络编程与应用开发使用次数: 138
40.
关于Java序列化中的版本控制，以下说法正确的是？
A.不需要关心版本号，系统会自动处理
B.必须在类中明确定义serialVersionUID
C.通过transient关键字可以避免版本控制问题
D.版本控制仅影响反序列化，不影响序列化
难度: ★★★★★知识点: 第七章 输入输出流使用次数: 138
多项选择题 (共10题)
41.
以下哪个场景最适合使用自动化测试进行耗时的测试？
A.测试周期较短的项目
B.需要频繁运行的简单测试用例
C.与系统集成相关但无需高频执行的测试
D.测试脚本运行时间极长，难以人工重复
难度: ★★★★★知识点: 第五章 测试自动化与持续集成使用次数: 138
42.
43.
数据库物理设计中的分区技术主要用于解决什么问题？
A.提高事务的并发性
B.提高数据库的可扩展性和查询效率
C.确保数据的完整性
D.提升数据库的安全性
难度: ★★★★★知识点: 第四章 数据库设计与应用使用次数: 138
44.
45.
以下哪个工具可以用于创建交互式多媒体课件？
A.Flash
B.CorelDRAW
C.Photoshop
D.SolidWorks
难度: ★★★★★知识点: 第六章 多媒体应用开发基础使用次数: 138
46.
47.
软件生命周期中的关键阶段包括？
A.需求分析、设计、编码、测试、维护
B.撰写文档、调试、部署、升级
C.需求收集、项目管理、用户反馈
D.开发、测试、发布、宣传
难度: ★★★★★知识点: 第七章 软件工程与项目管理使用次数: 138
48.
在PowerPoint中，导出为PDF文件时，是否可以保留动画和过渡效果？
A.不能保留
B.可以保留
C.只有部分效果可以保留
D.根据文件大小决定
难度: ★★★★★知识点: 第四章 综合应用与实践使用次数: 138
49.
50.
在配置网络服务时，若发现服务无法启动，应优先检查哪个日志文件？
A./var/log/messages
B./var/log/dmesg
C./var/log/syslog
D./var/log/nginx/error.log
难度: ★★★★★知识点: 第八章 网络应用案例分析使用次数: 138
判断题 (共10题)
51.
52.
53.
H.264/AVC 的编码层包括哪些部分？
A.视频序列层、图像层、宏块层
B.视频序列层、图像层、片层
C.网络抽象层、图像层、片层
D.视频序列层、视频层、图层
难度: ★★★★★知识点: 第四章 多媒体数据压缩技术使用次数: 138
54.
55.
索引的使用场景不包括以下哪一项？
A.频繁进行SELECT操作的字段
B.频繁进行UPDATE操作的字段
C.经常用于排序的字段
D.经常用于连接条件的字段
难度: ★★★★★知识点: 第三章 数据库基础使用次数: 138
56.
57.
下列哪项不是Java GUI程序运行时调试的工具？
A.JVisualVM
B.Eclipse调试器
C.JUnit测试框架
D.JConsole
难度: ★★★★★知识点: 第八章 图形用户界面（GUI）基础使用次数: 138
58.
以下哪个HTML标签用于定义网页的标题？
A.</span></div><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>B.</span><span data-v-1e838f61><head></span></div><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>C.</span><span data-v-1e838f61><h1></span></div><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>D.</span><span data-v-1e838f61><body></span></div><!--]--></div><div class="flex flex-wrap items-center gap-2 sm:gap-4 text-xs text-[#666666] mb-3" data-v-1e838f61><span class="flex items-center gap-1" data-v-1e838f61> 难度: <!--[--><span class="text-yellow-400 text-gray-300" data-v-1e838f61>★</span><span class="text-yellow-400 text-gray-300" data-v-1e838f61>★</span><span class="text-yellow-400 text-gray-300" data-v-1e838f61>★</span><span class="text-gray-300" data-v-1e838f61>★</span><span class="text-gray-300" data-v-1e838f61>★</span><!--]--></span><span class="truncate" data-v-1e838f61>知识点: 第七章 网络编程与应用开发</span><span class="whitespace-nowrap" data-v-1e838f61>使用次数: 138</span></div><div class="flex items-center justify-end gap-1 sm:gap-2" data-v-1e838f61><button class="px-2 sm:px-3 py-1 text-xs sm:text-sm text-[#ffa116] hover:bg-orange-500/10 rounded transition flex items-center gap-1" data-v-1e838f61><svg class="w-3 h-3 sm:w-4 sm:h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" data-v-1e838f61><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" data-v-1e838f61></path></svg> 复制 </button><a href="/papersall/question/cfzp07" class="px-2 sm:px-3 py-1 text-xs sm:text-sm text-ncre-primary hover:bg-orange-500/10 rounded transition flex items-center gap-1" data-v-1e838f61><svg class="w-3 h-3 sm:w-4 sm:h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" data-v-1e838f61><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" data-v-1e838f61></path></svg> 详情 </a></div></div></div></div><div class="mb-4 sm:mb-6 p-3 sm:p-4 border border-gray-100 rounded-lg hover:border-ncre-primary transition" data-v-1e838f61><div class="flex gap-2 sm:gap-3" data-v-1e838f61><span class="flex-shrink-0 text-[#333333] font-medium text-sm sm:text-base" data-v-1e838f61>59.</span><div class="flex-1 min-w-0" data-v-1e838f61><div class="text-[#333333] mb-2 sm:mb-3 text-sm sm:text-base" data-v-1e838f61>在Web程序设计中，用于动态更新网页元素内部HTML内容的属性是？</div><div class="space-y-1 sm:space-y-2 mb-3 sm:mb-4" data-v-1e838f61><!--[--><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>A.</span><span data-v-1e838f61>textContent</span></div><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>B.</span><span data-v-1e838f61>innerHTML</span></div><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>C.</span><span data-v-1e838f61>innerText</span></div><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>D.</span><span data-v-1e838f61>value</span></div><!--]--></div><div class="flex flex-wrap items-center gap-2 sm:gap-4 text-xs text-[#666666] mb-3" data-v-1e838f61><span class="flex items-center gap-1" data-v-1e838f61> 难度: <!--[--><span class="text-yellow-400 text-gray-300" data-v-1e838f61>★</span><span class="text-yellow-400 text-gray-300" data-v-1e838f61>★</span><span class="text-yellow-400 text-gray-300" data-v-1e838f61>★</span><span class="text-gray-300" data-v-1e838f61>★</span><span class="text-gray-300" data-v-1e838f61>★</span><!--]--></span><span class="truncate" data-v-1e838f61>知识点: 第七章 Web开发实践</span><span class="whitespace-nowrap" data-v-1e838f61>使用次数: 138</span></div><div class="flex items-center justify-end gap-1 sm:gap-2" data-v-1e838f61><button class="px-2 sm:px-3 py-1 text-xs sm:text-sm text-[#ffa116] hover:bg-orange-500/10 rounded transition flex items-center gap-1" data-v-1e838f61><svg class="w-3 h-3 sm:w-4 sm:h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" data-v-1e838f61><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" data-v-1e838f61></path></svg> 复制 </button><a href="/papersall/question/hxby2d" class="px-2 sm:px-3 py-1 text-xs sm:text-sm text-ncre-primary hover:bg-orange-500/10 rounded transition flex items-center gap-1" data-v-1e838f61><svg class="w-3 h-3 sm:w-4 sm:h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" data-v-1e838f61><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" data-v-1e838f61></path></svg> 详情 </a></div></div></div></div><div class="mb-4 sm:mb-6 p-3 sm:p-4 border border-gray-100 rounded-lg hover:border-ncre-primary transition" data-v-1e838f61><div class="flex gap-2 sm:gap-3" data-v-1e838f61><span class="flex-shrink-0 text-[#333333] font-medium text-sm sm:text-base" data-v-1e838f61>60.</span><div class="flex-1 min-w-0" data-v-1e838f61><div class="text-[#333333] mb-2 sm:mb-3 text-sm sm:text-base" data-v-1e838f61>以下哪个函数调用使用的是关键字参数？</div><div class="space-y-1 sm:space-y-2 mb-3 sm:mb-4" data-v-1e838f61><!--[--><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>A.</span><span data-v-1e838f61>func(1, 2)</span></div><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>B.</span><span data-v-1e838f61>func(a=1, b=2)</span></div><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>C.</span><span data-v-1e838f61>func(1, 2, 3)</span></div><div class="flex gap-2 text-[#333333] text-sm sm:text-base" data-v-1e838f61><span class="font-medium flex-shrink-0" data-v-1e838f61>D.</span><span data-v-1e838f61>func(a=1, b=2, c=3, d=4)</span></div><!--]--></div><div class="flex flex-wrap items-center gap-2 sm:gap-4 text-xs text-[#666666] mb-3" data-v-1e838f61><span class="flex items-center gap-1" data-v-1e838f61> 难度: <!--[--><span class="text-yellow-400 text-gray-300" data-v-1e838f61>★</span><span class="text-yellow-400 text-gray-300" data-v-1e838f61>★</span><span class="text-yellow-400 text-gray-300" data-v-1e838f61>★</span><span class="text-gray-300" data-v-1e838f61>★</span><span class="text-gray-300" data-v-1e838f61>★</span><!--]--></span><span class="truncate" data-v-1e838f61>知识点: 第四章 函数与模块</span><span class="whitespace-nowrap" data-v-1e838f61>使用次数: 138</span></div><div class="flex items-center justify-end gap-1 sm:gap-2" data-v-1e838f61><button class="px-2 sm:px-3 py-1 text-xs sm:text-sm text-[#ffa116] hover:bg-orange-500/10 rounded transition flex items-center gap-1" data-v-1e838f61><svg class="w-3 h-3 sm:w-4 sm:h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" data-v-1e838f61><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" data-v-1e838f61></path></svg> 复制 </button><a href="/papersall/question/pktrk4" class="px-2 sm:px-3 py-1 text-xs sm:text-sm text-ncre-primary hover:bg-orange-500/10 rounded transition flex items-center gap-1" data-v-1e838f61><svg class="w-3 h-3 sm:w-4 sm:h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" data-v-1e838f61><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" data-v-1e838f61></path></svg> 详情 </a></div></div></div></div><!--]--></div><!--]--></div></div><div class="space-y-4" data-v-1e838f61><div class="bg-white rounded-xl border border-gray-200 p-4" data-v-1e838f61><button class="w-full bg-[#3B82F6] text-white py-3 rounded-lg font-medium hover:bg-[#2563EB] transition" data-v-1e838f61> 立即下载 </button></div><div class="bg-white rounded-xl border border-gray-200 p-4" data-v-1e838f61><div class="flex items-center justify-between mb-4" data-v-1e838f61><span class="text-sm text-[#666666]" data-v-1e838f61>试题总数:</span><span class="font-bold text-[#333333]" data-v-1e838f61>60</span></div><div class="flex items-center justify-between mb-4" data-v-1e838f61><span class="text-sm text-[#666666]" data-v-1e838f61>总体难度:</span><span class="font-bold text-[#333333]" data-v-1e838f61>中等</span></div></div><div class="bg-white rounded-xl border border-gray-200 p-4" data-v-1e838f61><h4 class="font-bold text-ncre-primary mb-3 flex items-center gap-2" data-v-1e838f61><span class="w-1 h-4 bg-ncre-primary rounded" data-v-1e838f61></span> 难度统计 </h4><table class="w-full text-sm" data-v-1e838f61><thead data-v-1e838f61><tr class="text-[#666666]" data-v-1e838f61><th class="text-left py-2" data-v-1e838f61>难度系数</th><th class="text-center py-2" data-v-1e838f61>数量</th><th class="text-right py-2" data-v-1e838f61>占比</th></tr></thead><tbody class="text-[#333333]" data-v-1e838f61><!--[--><tr data-v-1e838f61><td class="py-2" data-v-1e838f61>中等</td><td class="text-center py-2" data-v-1e838f61>60</td><td class="text-right py-2" data-v-1e838f61>100.00%</td></tr><!--]--></tbody></table></div><div class="bg-white rounded-xl border border-gray-200 p-4" data-v-1e838f61><h4 class="font-bold text-ncre-primary mb-3 flex items-center gap-2" data-v-1e838f61><span class="w-1 h-4 bg-ncre-primary rounded" data-v-1e838f61></span> 题型统计 </h4><table class="w-full text-sm" data-v-1e838f61><thead data-v-1e838f61><tr class="text-[#666666]" data-v-1e838f61><th class="text-left py-2" data-v-1e838f61>大题类型</th><th class="text-center py-2" data-v-1e838f61>数量</th><th class="text-right py-2" data-v-1e838f61>占比</th></tr></thead><tbody class="text-[#333333]" data-v-1e838f61><!--[--><tr data-v-1e838f61><td class="py-2" data-v-1e838f61>单选题</td><td class="text-center py-2" data-v-1e838f61>60</td><td class="text-right py-2" data-v-1e838f61>100.00%</td></tr><!--]--></tbody></table></div></div></div></main><!--]--></main><footer class="footer-dark text-white mt-16"><div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12"><div class="grid grid-cols-1 md:grid-cols-4 gap-8"><div><div class="flex items-center space-x-3 mb-4"><div class="w-10 h-10 logo-gradient rounded-lg flex items-center justify-center"><svg class="w-6 h-6 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" 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<script type="application/json" data-nuxt-data="nuxt-app" data-ssr="true" id="__NUXT_DATA__">[["ShallowReactive",1],{"data":2,"state":1188,"once":1200,"_errors":1201,"serverRendered":5,"path":1204,"pinia":1205},["ShallowReactive",3],{"$fPZ21i3nX7jgvMY2IRYe-VHdIklSN_8oA7LV88IH60NA":4,"$f6IvCgESqZLsEW5e6eit2wk17q_yINuM3cZyt56r8tgg":1158},{"success":5,"data":6,"timestamp":1157},true,{"id":7,"blueprint_id":8,"project_id":9,"title":10,"year":11,"totalScore":12,"durationMinutes":13,"structure":14,"questions":29,"level":1156},98939,98079,236,"全国计算机等级考试二级 模拟试卷第30套（2026年1月）",2026,100,120,[15,20,25],{"desc":16,"type":17,"count":18,"score":19},"单项选择题","single",40,1.5,{"desc":21,"type":22,"count":23,"score":24},"多项选择题","multi",10,2,{"desc":26,"type":27,"count":23,"score":28},"判断题","judgment",1,[30,56,74,94,115,134,151,172,193,212,230,251,270,289,310,331,352,371,388,409,424,443,464,480,499,514,533,552,569,585,604,623,642,661,680,699,718,737,756,775,793,812,831,850,867,886,905,924,945,963,982,998,1017,1036,1053,1072,1091,1110,1124,1141],{"id":31,"topic_id":32,"type":17,"difficulty":33,"content":34,"options":35,"answer":37,"analysis":48,"source":49,"subject_id":50,"subject_name":51,"chapter_id":52,"chapter_name":53,"section_id":54,"section_name":55,"sortOrder":28,"originalType":17,"originalScore":19},433123,110229,3,"以下哪个选项能用于验证用户输入的密码和确认密码是否一致？",[36,39,42,45],{"key":37,"text":38},"A","If语句",{"key":40,"text":41},"B","For循环",{"key":43,"text":44},"C","While循环",{"key":46,"text":47},"D","Do 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控件的事件处理",{"id":75,"topic_id":76,"type":17,"difficulty":33,"content":77,"options":78,"answer":43,"analysis":87,"source":49,"subject_id":88,"subject_name":89,"chapter_id":90,"chapter_name":91,"section_id":92,"section_name":93,"sortOrder":33,"originalType":17,"originalScore":19},431661,110101,"关于函数参数，以下哪项说法是错误的？",[79,81,83,85],{"key":37,"text":80},"形参可以有默认值",{"key":40,"text":82},"可以使用可变参数（*args）",{"key":43,"text":84},"可以在函数内修改全局变量",{"key":46,"text":86},"不能重复定义相同参数名","在函数内修改全局变量需要使用global声明，否则会创建局部变量。选项C是错误的。",1482,"Python程序设计",11504,"第四章 函数与模块",33449,"第一节 函数的定义与调用",{"id":95,"topic_id":96,"type":17,"difficulty":33,"content":97,"options":98,"answer":40,"analysis":107,"source":49,"subject_id":108,"subject_name":109,"chapter_id":110,"chapter_name":111,"section_id":112,"section_name":113,"sortOrder":114,"originalType":17,"originalScore":19},435890,110472,"以下哪项攻击会对网络服务造成严重影响？",[99,101,103,105],{"key":37,"text":100},"SQL注入",{"key":40,"text":102},"DDoS攻击",{"key":43,"text":104},"XSS攻击",{"key":46,"text":106},"中间人攻击","DDoS攻击通过大量请求使网络服务瘫痪，严重影响可用性。其他选项主要是针对数据的攻击。",1488,"信息技术",11550,"第一章 计算机基础知识",33585,"第五节 信息安全与法律意识",4,{"id":116,"topic_id":117,"type":17,"difficulty":33,"content":118,"options":119,"answer":37,"analysis":128,"source":49,"subject_id":88,"subject_name":89,"chapter_id":129,"chapter_name":130,"section_id":131,"section_name":132,"sortOrder":133,"originalType":17,"originalScore":19},432074,110135,"以下哪项是print调试中常见的问题？",[120,122,124,126],{"key":37,"text":121},"print语句过多导致性能下降",{"key":40,"text":123},"无法控制输出格式",{"key":43,"text":125},"程序输出被重定向到文件",{"key":46,"text":127},"输出信息量少","在程序中加入过多print语句会影响程序运行效率，特别是处理大量数据或频繁调用时。",11508,"第八章 异常处理与调试",33462,"第二节 调试方法",5,{"id":135,"topic_id":136,"type":17,"difficulty":33,"content":137,"options":138,"answer":43,"analysis":147,"source":49,"subject_id":108,"subject_name":109,"chapter_id":110,"chapter_name":111,"section_id":148,"section_name":149,"sortOrder":150,"originalType":17,"originalScore":19},435690,110453,"计算机的基本运算能力主要体现在其能够执行哪些运算？",[139,141,143,145],{"key":37,"text":140},"数值运算",{"key":40,"text":142},"逻辑运算",{"key":43,"text":144},"数值运算和逻辑运算",{"key":46,"text":146},"图像处理运算","计算机不仅能够执行数值运算，还能执行逻辑运算，这是其核心运算能力的体现。",33581,"第一节 计算机概述",6,{"id":152,"topic_id":153,"type":17,"difficulty":33,"content":154,"options":155,"answer":40,"analysis":164,"source":49,"subject_id":165,"subject_name":166,"chapter_id":167,"chapter_name":168,"section_id":169,"section_name":170,"sortOrder":171,"originalType":17,"originalScore":19},437134,110574,"子网划分后，主机位的位数为3位时，一个子网最多可以容纳多少台主机？",[156,158,160,162],{"key":37,"text":157},"4",{"key":40,"text":159},"6",{"key":43,"text":161},"8",{"key":46,"text":163},"10","主机位为3位时，可用主机数为2^3 - 2 = 6，因为需要排除全0和全1的地址。",1490,"计算机基础与程序设计",11561,"第二章 网络技术基础",33619,"第二节 网络协议与通信",7,{"id":173,"topic_id":174,"type":17,"difficulty":33,"content":175,"options":176,"answer":43,"analysis":185,"source":49,"subject_id":186,"subject_name":187,"chapter_id":188,"chapter_name":189,"section_id":190,"section_name":191,"sortOrder":192,"originalType":17,"originalScore":19},433640,110277,"以下哪个事件属于冒泡事件？",[177,179,181,183],{"key":37,"text":178},"onload",{"key":40,"text":180},"onmouseover",{"key":43,"text":182},"onclick",{"key":46,"text":184},"onsubmit","onclick事件属于冒泡事件，它会在元素自身以及其父元素中传播，而onload等事件则是捕获或特定事件。",1484,"Web程序设计",11527,"第四章 DOM操作与事件处理",33515,"第四节 事件处理进阶",8,{"id":194,"topic_id":195,"type":17,"difficulty":33,"content":196,"options":197,"answer":46,"analysis":206,"source":49,"subject_id":88,"subject_name":89,"chapter_id":207,"chapter_name":208,"section_id":209,"section_name":210,"sortOrder":211,"originalType":17,"originalScore":19},431934,110123,"以下哪项是正确的f-string格式化方式？",[198,200,202,204],{"key":37,"text":199},"f'Hello {name}'",{"key":40,"text":201},"f'Hello {name} 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