Unit 3 The Internet-2026-2027学年高中英语词汇精讲精练必修第二册（人教版）

Unit 3 The Internet 词汇精讲精练 核心词汇概览： internet network log log on log off surf surf the internet benefit benefit from distance at a distance inspire now that access have access to contact keep in contact with cash update database software search engine document surf convenience convenient cashless digital native identity identity card confirm function privacy theft database attack cybercrime cybercriminal target threat online offline ups and downs breakdown software virus hack hacker system 词汇精讲 序号 单词/短语 词汇讲解 inspire 释义：叶.鼓舞：激励：启发思考 /mn'spaie(r)/ 词汇变形：inspiration(m,)灵感；鼓舞人心的人/事；inspired(adj,) 受启发的；有灵感的；inspiring(adj)鼓舞人心的 搭配：inspire sb.to do sth.激励某人做某事：inspire sb.with sth.用 某事激励某人；beinspired by..受…启发 易混辨析：inspire强调激发内在情感或创造力；encourage侧重给予 勇气或支持 例句：His success in.spired many young people to pursue their dreams. 他的成功激励了许多年轻人去追求梦想。 access 释义：n.通道；（使用、查阅、接近或面见的）机会；权利：vt.进 /'aekses/ 入：使用；获取 词汇变形：accessible(adj)可进入的；可使用的；易接近的： accessibility(n.)可接近性；便利性 搭配：have access to..可以使用/有机会接触到；gain/get access to..获得…的使用权；access the internet上网；access information获取信息 易混辨析：access强调进入或使用的权利/途径；entrance侧重入口 本身；approach指接近的方法或途径 例句：Students in rural areas now have better access to online learning resources. 农村地区的学生现在有更好的机会接触在线学习资源。 3 contact 释义：t.联络；联系；n.联系；接触 /'kontaekt/ 词汇变形：contactless(ad.)非接触式的（如支付）；contactable (adj)可联系到的 搭配：make contact with..与…取得联系；keep in contact with 与…保持联系；lose contact with..与…失去联系；contact sb by phone/email通过电话/邮件联系某人 易混辨析：contact侧重主动联系的行为：touch更侧重状态(lose touch);communicate强调交流信息 例句：It is important to keep in contact with your family while studying abroad 在国外学习时与家人保持联系很重要。 update 释义：t.更新；向…提供最新信息；n.更新：最新消息 .Ap'dert/ 词汇变形：updated(adj)更新的；现代化的：up-to-date(adj)最新 的：跟上时代的 搭配：update sb.on sth.向某人通报某事的最新情况；keep sb, updated让某人随时了解最新情况；software update软件更新； update information更新信息 易混辨析：update指对内容或版本进行刷新；renew偏重更换旧物： refresh侧重于重新载入或恢复活力 例句：You should regularly update your antivirus software to protect your computer. 你应该定期更新杀毒软件以保护你的电脑。 confirm 释义：t.确认：证实；批准 /kan'f3:m/ 词汇变形：confirmation(n.)确认；证实；confirmed(adj.)被证实 的：习惯性的 搭配：confirm sth.确认某事；confirm that..证实…；confirm b.in sth.使某人坚定（信念等）；It is confirmed that..据证实… 易混辨析：confirm强调通过证据/信息使某事确定：prove强调通过 事实验证；approve侧重官方批准 例句：Please confirm your attendance by sending an email before Friday. 请在周五前发送电子邮件确认出席。 6 function 释义：n.功能；作用；职能：vi.起作用；运转 /'fAnkfn/ 词汇变形：functional(adj)功能的；实用的：起作用：functionality ()功能性；功能 搭配：function as..起…作用；perform a function执行功能； basic function基本功能；function properly正常运转 易混辨析：function强调事物固有的用途或作用；role更侧重角色或 地位；purpose强调目的 例句：The search engine's main function is to help users find information quickly. 搜索引擎的主要功能是帮助用户快速找到信息。 privacy 释义：n.隐私；私密 /privasi/ 词汇变形：private(adj)私人的；私密的；privatize(v,)使私有化； privation(n)缺乏；贫困（注意区别） 搭配：privacy policy隐私政策；invade one's privacy侵犯某人的隐 私；right to privacy隐私权；privacy settings隐私设置 易混辨析：privacy侧重个人生活不受干扰的权利；secrecy强调保密 性；solitude侧重独处状态 例句：Vith the rise of the internet,.protecting personal privacy has become a serious concern. 随着互联网的兴起，保护个人隐私已成为一个严重的问题。 8 attack 释义：t.&vi.攻击；抨击；n.攻击；抨击：发作 /月'tek/ 词汇变形：attacker(n)攻击者；袭击者；attacked(adj,)被攻击的 搭配：attack on..对…的攻击；nder attack受到攻击；heart attack心脏病发作；cyber attack网络攻击；attack sb.for sth.因某 事抨击某人 易混辨析：attack指猛然发起攻击；assault更侧重暴力袭击： criticize侧重口头/书面批评（比attack程度轻） 例句：The company's database suffered a serious cyber attack last month 该公司的数据库上个月遭受了一次严重的网络攻击。 threat 释义：n.威胁；恐吓；构成威胁的人/事物 /Oret/ 词汇变形：hreaten(v,)威胁；恐吓；threatening(adj)有威胁的；危 险的：threatened(adj)受到威胁的 搭配：pose a threat to..对…构成威胁；nder threat受到威胁； security threat安全威胁；threat of..…的威胁；threaten to do sth 威胁要做某事 易混辨析：threat强调潜在的危害；isk强调风险概率；danger强调 危险状态 例句：Cybercrime is a growing threat to both individuals and businesses 网络犯罪对个人和企业都是一个日益增长的威胁。 10 hack 释义：t.&v.黑客入侵；非法侵入（计算机系统） /haek/ 词汇变形：hacker(n,)黑客；hacking)黑客行为：hacked(adj)被 入侵的 搭配：hack into..非法侵入（系统)；hack one's way through..强 行通过；hack sth.off砍掉 易混辨析：hack专指非法侵入计算机系统：crack更侧重破解密码或 保护：breach指突破防线（更正式) 例句：Hackers managed to hack into the company's email system and steal sensitive data 黑客设法侵入了公司的电子邮件系统并窃取了敏感数据。 hacker 释义：n.黑客 /'haeka(r)/ 词汇变形：hack(v);hacking);hacktivist(n)黑客行动主义者 搭配：hacker attack黑客攻击；hacker group黑客组织；ethical hacker白帽黑客；hacker culture黑客文化 易混辨析：hacker通常指非法入侵者：但ethical hacker指受雇检测 安全漏洞的“白帽黑客”；cracker指恶意破解者（更贬义） 例句：A skilled hacker can break into a system within minutes if there is a security i丑aw 如果有安全漏洞， 一个熟练的黑客可以在几分钟内攻入系统。 12 system 释义：n.系统；体系；制度 /'sIstam/ 词汇变形：systematic(adj)系统性的；有条理的；systematize(v) 使系统化；systemic(adj)全身的；系统的 搭配：operating system操作系统；system failure系统故障； immune system免疫系统；system ofgovernment政体；system analysis系统分析 易混辨析：system指有组织的整体：network强调互联的节点； structure侧重结构层次 例句：The company decided to upgrade its computer system to improve efficiency. 公司决定升级其计算机系统以提高效率。 二、专项训练 (一)单句填空（每空1词，共12小题） 1.The speaker's speech was so inspiring that it (inspire)many students to take action. 2.Citizens should have equal (access)to public health services 3.If you need further information,please do not hesitate (contact)our customer service. 4.We will keep you (update)on any changes to the schedule 5.The experiment results (confirm)that the new drug is effective. 6.This device can (function)as both a phone and a tablet. 7.Many people worry about their (private)being exposed on social media 8.The network was under (attack)from a large number of bots 9.The pollution in this area poses a serious_ (threat)to local wildlife 10.It is illegal (hack)into someone else's computer without permission. 11.The (hack)managed to steal thousands of users'passwords. 12.Agood education (system)helps develop students'abilities in all aspects. (二)单句表达（根据汉语提示，用本单元核心词汇/短语完成句子，每空不限词数，共8 小题) 1这位老师的经历激励我更加努力地学习。 The teacher's experience work harder. 2现在，许多农村孩子也有机会使用互联网。 Nowadays,many children in rural areas also the Internet. 3我们应该通过电子邮件与他保持联系。 We should him by email. 4.请及时更新你的个人资料，以便我们联系你。 Please your personal information so that we can contact you 5.已经确认会议将于下周举行。 It that the meeting will be held next week. 6这个新应用程序的主要功能是帮助用户管理时间。 The main this new app is to help users manage their time. 7网络犯罪对个人和公司都构成了严重威胁。 Cybercrime a serious both individuals and companies. 8.黑客试图入侵公司的数据库，但被安全系统阻止了。 The hacker tried to the company's database,but was stopped by the security system. (三)短文填空 In today's digital age,the Internet plays an important role in our daily lives.It provides us with easy 1 (access)to all kinds ofinformation.However,with its convenience come risks.2 (hack)often try to break into computer 3 (system)to steal personal data.Such 4 (attack)can lead to serious losses.It is reported that a major company was once 5 (threat)by a group of cybercriminals.The company's 6 (private)was invaded,and many users'identities were stolen.To stay safe online, we need to take measures.First,keep your software 7 (update)regularly to fix security holes.Second,be careful when you 8 (contact)strangers online.Third, never share your passwords with others.9 (confirm)the source before clicking on any link.These steps can help protect us from 10 (threat).In addition,schools should educate students about the 11 (function)of cybersecurity.Only by doing so can we enjoy the benefits of the Internet without falling victim to 12 (hack). 三、参考答案 (一)单句填空 1inspired;2.access;3.to contact;4.updated;5.confirmed;6.function;7.privacy; 8.attack;9.threat;10.to hack;11hacker;12.system (二)单句表达 1.inspired me to;2.have access to;3.keep in contact with;4.update;in time;5.is confirmed;6.function of;7.poses;threat to;8.hack into (三)短文填空 1.access;2.Hackers;3.systems;4.attacks;5.threatened;6.privacy;7.updated; 8.contact;9.Confirm;10.threats;11.function;12.hackers