Unit 4 Information Technology Topic Talk 词汇+知识点课件-2025-2026学年高中英语北师大版必修第二册

该高中英语课件聚焦信息技术主题词汇，通过预习检测（英汉互译）引导学生自测基础，再经词性拓展（派生词、反义词）构建词汇网络，结合重难点词精讲（课文原句、短语及语境用法），最后以随堂测试巩固，形成“预习-拓展-精讲-检测”的完整学习支架，前后知识点衔接紧密。 其亮点在于紧扣语言能力与思维品质培养，通过词根词缀拓展（如convenience→convenient）、词义辨析（affect/effect）及语义助记（admit的“进入-接纳-承认”关联）深化理解，语境化佳句赏读和练习（如用recommend造句）强化运用。采用“词不离句”教学法，学生能高效掌握词汇并提升表达能力，教师可直接使用模块化内容提升教学效率。

Unit 4 Information Technology Topic Talk词汇 1 目 录 01. 单词领读 02. 词性拓展 03. 单词讲解 04. 随堂测试 单词领读 01 单词预习检测 —— 英汉互译 应用程序 n __________ 使能够；使成为可能 vt __________ 便利；方便 n __________ 结果；效应；作用；影响 n __________ （巨大）影响；（巨大）作用 n __________ 上瘾的；入迷的 adj __________ 沉迷 __________ 真正地；当然；确实 adv __________ app / application enable convenience effect impact addicted indeed be addicted to 5 单词预习检测 —— 英汉互译 9. 下载（文件）v __________ 10. 推荐；介绍 n __________ 11. 探讨；探究 v __________ 12. 个性；人格 n __________ 13. 承认 v __________ 14. 闹钟 n __________ 15. self-focused adj __________ 16. 补chairman n __________ recommendation explore personality admit alarm 以自我为中心的；关注自我的 主席；董事长 download 6 单词预习检测 —— 英汉互译 17. 补chairwoman n __________ 18. 补load v __________ 19. super adj __________ 20. avatar n __________ 21. 补admission n __________ 装载；装填 ；［计算机］载入 极好的；超级的 （网络上代表个人的）头像；虚拟替身；图标 承认；接纳；进入权；入场费 女主席；女董事长 7 词性拓展 02 1．enable vt.使可能，使发生→able adj.有能力的；(某方面)擅长的 →ability n．能力；才能 2．convenience n．方便，便利→convenient adj.方便的，便利的 →inconvenient adj.不方便的；麻烦的 3．effect n．效应；影响 →effective adj.有效的；实际的；生效的，起作用的 4．addicted adj.对……着迷的；沉迷的 →addict n．对……入迷的人；瘾君子 →addictive adj.(药物等)使人上瘾的；使人入迷的 →addiction n．瘾；入迷；嗜好 5．download vt.下载→upload vt.上传→unload vt.卸载；卸下 6．recommendation n．建议，提议；推荐 →recommend vt.推荐；劝告，建议 7．explore vt.探究；探讨；探险→exploration  n．探测；探索 →explorer n．探险家；勘探者 8．admit vi.&vt.承认→admission n．承认，招认；(机构、组织等的)准许加入；入场费，门票费 重难点词精讲 03 课文原句：provide convenience(教材P6) ★convenience n．方便，便利 1.convenience (1)for convenience 为了方便起见 at one’s convenience在某人方便的时候 for one’s convenience＝for the convenience of sb.为了方便某人 (2)convenient adj.方便的；便利的(人不能做主语) It is convenient for sb.to do sth.对某人来说做某事是方便的。 [佳句赏读]　感悟句意·背诵 ①I love exploring new technologies，because they provide convenience. ②For convenience，you’d better download a new app called “Alarm Clock”． ③If you are interested，please send an application at your convenience to Ms Sun at sun@126.com. ④We hope that you will accept our invitation if it is convenient for you. 13 根据所给汉语，完成下列句子。 1. Can you telephone me __________________（在你方便的时候）to arrange（安排）a meeting? 2. I like shopping in the __________________（便利店）near my home. 3. ________________（方便起见）, you can divide your article into two parts. 4. I would appreciate it if you could tell me your decision _________________ _____________（尽早）. 5. It is worth considering what makes __________________（方便食品）so popular. 6. _________________（对于……是方便的）people to live near the station. convenience at your convenience convenience store For convenience at your earliest convenience foods It is convenient for convenience 14 课文原句：Do you have any recommendation？(教材P99) ★ recommendation n．建议，提议；推荐 2.recommendation (1)a letter of recommendation推荐信 (2)recommend v．提议，建议；推荐 recommend sb.sth.＝recommend sth.to sb.向某人推荐某物 recommend sb.to do sth.建议某人做某事 recommend doing sth.建议做某事 recommend that sb.(should) do sth.建议某人做某事 [佳句赏读]　感悟句意·背诵 ①Could you write me a letter of recommendation at your convenience？ ②Our host shared his experiences and recommended us wonderful places to eat，shop and visit. ③I recommend you to stop working and have a vacation right now. ④It is recommended that passengers (should) not smoke during the flight. 建议乘客在飞行过程中不要吸烟。 16 [单句语法填空/单句写作] ①I strongly recommend that he _________(limit) his time of chatting online. ②The manager recommended_________(meet) the young man personally before employing him as our housekeeper. ③你能推荐一个好的律师给我吗？ ___________________________________________________________________________________________________________? ④我强烈建议你读读《飘》这本书。 ___________________________________________________________. (should) limit meeting Can you recommend me a good lawyer/recommend a good lawyer to me? I strongly recommend that you (should) read the book Gone with the Wind. 3. admit 课文原句：I admit it.(教材P99) ★admit vt.& vi.承认；允许进入；可容纳 (1)admit doing/having done sth.承认做/做过某事 admit that...承认…… be admitted to/into...允许进入；被录取 It is generally/universally admitted that...普遍承认…… (2)admission n．录取；承认；入场费 [佳句赏读]　感悟句意·背诵 ①The self-focused boy eventually admitted his stupid mistake. ②He admitted having gotten addicted to playing computer games for weeks. ③I’m sorry to admit that I am not to adopt your recommendation. ④It’s generally admitted that information technology has a huge impact on our daily life. 人们普遍认为信息技术对我们的日常生活有着巨大影响。 19 admit 语义助记 容许……进入admit （基本义） 承认；供认 进入权 供认 承认 接纳；招收 容许……进入 “容许”事情“进入”内心 “容许”人“进入”组织或机构 “容许”物体“进入”某地 “容许”自己做错了的事“进入”公众视野 接纳； 准许入会 / 学； 入场费 admission 一、写出下列句中画线部分的汉语释义。 1. I have matured and I admit responsibility for my actions. _________ 2. Children under 12 years accompanied by an adult are admitted free. _________ 3. He was studying in the hope of being admitted to an engineering college. _________ 4. A number of people have admitted that despite their success, they aren’t happy. _________ 5. Last admission to the exhibition: 17.15. There is no re-admission. _________ 承认对……负责 允许进入 被录取 承认 admit 最后入场时间 二、根据所给汉语，用适当的词块完成下列句子。 1. You should have the courage to ______________________（承认错误）. 2. Did he ___________________________（承认打破了窗户吗）? 3. This ticket _____________________（可让两人进场）. 4. Their poetry club has recently _____________________________（吸收了几名新社员）. 5. Gates open at 10:30 a.m. and __________________（免费入场）. admit your mistakes admits two persons admitted a few new members admit breaking the window admission is free 课文原句：enable better communication(教材P6)) ★ enable vt.使可能；使发生 1enable sb.to do sth.使某人有能力做某事 2be able to do...能做…… 3have the ability to do sth.有做某事的能力 4.enable 课文原句：Effects/Impacts (教材P6) ★ effect n．效应；影响 (1)have an effect on＝have an impact on 对…有影响 come into effect生效；开始实施 put/bring sth.into effect使生效；落实 (2)effective adj.有效的；起作用的 (3)effectively adv.有效地；生效地 5.effect effect affect vt  影响 to influence sb / sth：（基本义） decisions which affect our lives With the government’s aid, those (who were) affected by the earthquake have moved to the new settlements.  [常用于被动语态] 使感动；打动 to make sb have strong feelings of sadness, pity, etc.： She was deeply affected by the story.  使感染（疾病）： Diseases affect almost everyone at some time during their lives. 【拓展词汇】 affect 语义助记 affect 对精神的 “影响” 对身体的“影响” 使感动；打动 使感染（疾病） 影响 （基本义） 对人或物的“影响” 由 具 象 到 抽 象 词语辨析 affect / effect effect（名词）= result, influence；作用；影响： Does television have an effect on children’s behaviour? 电视对孩子的行为有影响吗？ affect（动词）= to have an influence on sb / sth；影响某人 / 某事： Does television affect children’s behaviour? 电视对孩子的行为有影响吗？ 根据所给汉语，用适当的词块完成下列句子。 1. One _______________（副作用）of modern life is stress. 2. Humor raises your energy, and that can ______________（对……产生影响）everything you do at school, at work, or in your personal life. 3. Some ancient laws are still _______________（有效）. 4. The medicine will not _______________（生效）for two hours. 5. In recent years global warming and the _________________（温室效应）have become a major concern in all countries. effect side effect have an effect on in effect take effect greenhouse effect 课文原句：makes us addicted to it (教材P6) ★ addicted adj.对……着迷的；沉迷的 1be/get addicted to (doing) sth.沉迷于做某事 2addict n.对……入迷/上瘾的人 3addiction n.瘾；入迷；嗜好 6. addicted ①Nowadays，many young people ____________ playing with their cellphones wherever they are，completely ignoring their friends around. 如今，许多年轻人无论在什么地方都沉迷于玩手机，完全忽视了周围的朋友。 ②We are addicted to ___________ new things. 我们沉迷于买新东西。 ③He is now fighting his _________ (addict) to alcohol. 他现在正在努力戒酒。 get addicted to buying addiction impact 写出下列句中画线部分的汉语释义。 1. The impact blew out some of the windows and the sea came rushing in. _________ 2. She found that personality had a major impact on learning. _________ 3. The classes we choose can impact us in the future. _________ 4. The ball impacted against the bat with a loud noise. _________ 冲击力 影响 影响 撞击 随堂测试 04 Ⅰ.单词拼写 1．As the saying goes，“A friend in need is a friend _________.” 2.Personally speaking，you are more _________(以自我为中心的) than what you used to be. 3．Have you downloaded the learning app that I strongly_______ last time? 4．When the _________(警报) sounded，all of us ran out of the classroom. 5．The new traffic rules will soon come into _________. indeed. self-focused recommended alarm effect 6．To his disappointment，his son got _________ to computer games. 7．It’s said that his wife has a strong _________(个性)． 8．It is _________ for you to take a plane because there is a regular bus to the airport. 9．You need to grasp the basic grammar，which will _________ you to make sense of the sentences correctly. 10．I love _________(探索) new technologies because they can provide convenience. addicted personality convenient enable exploring Ⅱ.单句语法填空 1．Best of all，humor raises your energy，and that can have ____ effect on everything you do at school，at work，or in your personal life. 2．Giving employees the tools enables them_________________ (communicate) honestly. 3．There is no denying that such ratings might bring_________ (convenient) to consumers，but they are often misleading and unreliable. 4．It will take a few years to judge the impact that these new ideas will have_________ people. 5．I’m terribly sorry to learn that you are not _________(admit) to your dream senior high middle school. an to communicate convenience on admitted Ⅲ.单句写作 1．我们真诚希望如果方便的话，你能接受我们的邀请。(convenient) _____________________________________________________________________________________________________________ . 2．我强烈建议你限制自己网聊的时间。(recommend) _____________________________________________________________________________________________________________ . 3．人们普遍认为信息技术对我们的日常生活有极大影响。(admit) _____________________________________________________________________________________________________________ . We sincerely hope that you will accept our invitation if it is convenient for you. I strongly recommend that you (should) limit your time of chatting online. It’s generally/universally admitted that information technology has a huge impact on our daily life. . 4．新交通规则将于下周生效。(come into effect) _____________________________________________________________________________________________________________ . 5．这本书太有趣了，孩子们都对它着迷。(addicted) _____________________________________________________________________________________________________________ . New traffic rules will come into effect next month. The book is so interesting that the children are addicted to it. THANK YOU x264 0.128.2216+688+32 a17ff54 tMod [8-bit@4:2:0 X86] $