Unit 4 Information Technology Lesson 1 Avatars 词汇+知识点课件-2025-2026学年高中英语北师大版必修第二册

该高中英语单元复习课件系统梳理了信息技术主题词汇的音形义用，通过词性拓展表、词根词缀助记（如view衍生review、preview）和语境例句串联，将核心词汇如variety、concern、view等的用法及拓展词系统整合，帮助学生构建完整的词汇知识网络。 其亮点在于融合语境化与分层化复习策略，如“不同头脑风暴”活动引导学生辨析diverse、varied等近义词，培养语言能力，“词义转换训练”从“rich→abundant”等高级词替换提升学习能力，随堂测试分单词拼写、语法填空、写作题，满足不同水平学生需求。这种设计助力学生深化词汇运用，教师也能通过练习反馈精准教学，提高复习效率。

Unit 4 Information Technology Lesson 1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 1. 影像；图像 n __________ 2. 身份 n __________ 3. 多样性；变化；种类；品种 n __________ 4. 种种；各种各样的 __________ 5. 立刻的；马上的 adj __________ 6. 性别 n __________ 7. 创造性；创造力 n __________ 8. （计算机）网络日志；博客 n __________ image identity variety a variety of instant sex creativity blog 5 单词预习检测 —— 英汉互译 9. 显而易见地 adv __________ 10. 做实验 / 试验；尝试 v __________ 11. 如今；现在 adv __________ 12. 发型；发式 n __________ 13. 用打字机 / 计算机打（字） v __________ 14. 担心的事；关心的事 n __________ 15. 虚拟的；模拟的 adj __________ 16. 欺骗；欺诈 v __________ 17. 看；看待 vt __________ obviously experiment nowadays hairstyle type concern virtual cheat view 6 单词预习检测 —— 英汉互译 18. fancy adj __________ 19. trick vt __________ 20.补tricky adj __________ 21. 2D (2-dimensional) adj __________ 22.补dimension n __________ 23. instant messenger __________ 24. sensible adj __________ 25. selection n __________ 26.补concerning prep __________ 精致的；花哨的 欺骗；哄骗 棘手的；难对付的 二维的；平面的 维（度） 即时通讯 朴素实用的；明智的；合理的 选择；可选之人或物；选集 关于 7 词性拓展 02 1．trick vt.欺骗，诱骗，哄骗 →tricky adj.狡猾的，诡计多端的；难办的，难对付的 2.identity n．身份；特征 →identify vt.找到，发现；确认，认出；显示，说明身份 →identification n．鉴定；辨认；确认；身份证明 3．variety n．多样化，变化 →vary vi.变化；(大小、形状等)相异，不同 →various adj.各种各样的，各种不同的 4．sensible adj.朴素实用的；明智的，合理的 →sense n．感觉官能；vt.感觉到；意识到；觉察出 5．creativity n．创造力；独创性 →create vt.创造 →creative adj.创造(性)的，创新的 →creator n．创造者，创作者 →creation n．创造，产物 6．obviously adv.显而易见地，明显地 →obvious adj.明显的，显然的 7．experiment vi.&vt.做实验，进行试验；n.实验 →experimental adj.实验性的；试验性的 8．selection n．供选择的同类物品；选择 →select vt.挑选，选择 →selective adj.选择性的；有选择的；认真挑选的 9．type vi.&vt.打；打字n．类型，种类→typist n．打字员 →typical adj.典型的，一贯的，特有的 →typically adv.一般，通常 10．concern n．担忧，忧虑；vt.与……有关；使担心 →concerned adj.关切的，关心的；焦急的，担忧的 →concerning prep.关于；涉及 重难点词精讲 03 课文原句：Yet，very few people knew that future avatars would have such a wide variety of forms and uses.(教材P9) ★ variety n．多样化；变化 1. variety (1)a variety of＝varieties of 各种各样的 the variety of...的多样性 (作主语时，谓语动词用单数) (2)various adj.各种各样的 (3)vary v．使不同；变化 vary from...to...从……到……变化 vary with...随着……变化 [佳句赏读]　感悟句意·背诵 ①People love exploring new technologies for a variety of/varieties of/various reasons. ②As you can see，the personalities vary from person to person. ③As we all know，the prices of fresh fruit vary with seasons greatly，especially some tropical fruits. 我们都知道，新鲜水果的价格随季节变化很大，特别是一些热带水果。 14 [单句语法填空/一句多译] ①No matter what you like to do，there is a way to get involved in __________(variety) activities on Earth Day. ②The variety of fruits in this supermarket ____(be) rich. ③We have learned that there are different _________(variety) of English around the world. ④由于各种原因，她接受了这份工作。 →______________________________________________. →______________________________________________. →______________________________________________. various is varieties She took up the job for a variety of reasons She took up the job for varieties of reasons She took up the job for various reasons 15 different various diverse varied differ “不同”头脑风暴 说到“不同的”英文单词，大家首先想到的是不是“different”？也许有些小伙伴还能想到various，varied，differ，diverse这些词。虽说都可以用来表达“不同的”之意，但是如果在写作中用对了词，你的书面表达将会大大的“不同”。 16 感受“不同” Mom asked me to find relevant information on the internet. But the information I got was rich and varied. Due to the growing popularity of environmentally-related and adventure travel, various types of trips are now being classified as ecotourism. Visiting an apple event is a good chance to see, and often taste, a wide variety of apples. To answer these questions, Brooks surveys a wide range of disciplines. Leaves are found on all kinds of trees, but they differ greatly in size and shape. English is a language shared by several diverse cultures, each of which uses it differently. 17 课文原句：By the late 1990s，they had been used in web chats like instant messenger.(教材P9)) ★ instant adj.即时的；立刻的 n．瞬间，片刻 2.instant (1)instant messenger 即时通讯 instant coffee/noodles速溶咖啡/方便面 (2)in an instant立即地 (3)instantly adv.立即；马上 the instant/instantly ＝as soon as/the moment/the minute/ immediately/directly...一…就… [佳句赏读]　感悟句意·背诵 ①In an instant，he took off his coat and jumped into the water to save the drowning boy. ②I was so familiar with her that I recognized her voice the instant/instantly I picked up the phone. 我对她很熟悉，一拿起电话我就听出了她的声音。 19 [单句语法填空/一句多译] ①Hearing the good news，he rang me up ___________(instant)． ②她一演讲完，大家就开始鼓掌。 →___________________________________________________ ________________.(instant) →________________________________________________ ______.(instantly) instantly The instant she finished her speech，we began to applaud We began to applaud instantly she finished her speech 3. concern 课文原句： The use of avatars has also caused a few concerns.(教材P9) ★concern n．担忧；忧虑 vt.与……有关；使担心 (1)show concern for/about...对……表示担心/关心 (2)concerned adj.担心的；关心的；有关的 be concerned about/for关心；担心 be concerned with与……有关 as far as sb./sth.be concerned就……而言；关于 (3)concerning prep.关于 concern的名词释义和动词相关 担心的事；关心的事 （抽象名词具体化） concern 关于；与……有关； 涉及；牵涉 使担心 担心；忧虑 关心 n v [佳句赏读]　感悟句意·背诵 ①I appreciate the help and concern you’ve showed for me at this difficult time. ②There are various questions concerning pollution and environment. ③More and more people are concerned about young students’ addiction to smartphones. ④As far as I am concerned，the cartoon avatar is more lovely and suitable for me. 23 [单句语法填空/单句写作] ①I recommend you to have a quick word with the person ___________(concern) the interview. ②Nowadays，people are more and more concerned ___________ the quality of life. ③在我看来，骑自行车是一个解决空气污染的好办法。 _______________________________________________________ __________________________________________________. ④毫无疑问，所有的父母都关心自己的孩子。 _____________________________________________________. concerning about/for As far as I am concerned，riding a bicycle is a good solution to air pollution There is no doubt that all parents are concerned about/for their children 二、根据所给提示，用适当的词块完成下列句子。 1. Nowadays people__________________________ ________________（更关心他们所居住的环境）. 2. _____________________（就我个人而言), riding bicycles is a good solution.（江西书面表达） 3. Parents ___________________________________________（关注孩子们的课程选择）. 4. There was no evidence that he ____________________________（与任何犯罪活动有关）. are more concerned about / for the environment As far as I’m concerned are concerned with children’s subject selection was concerned in / with any criminal activity where they live 25 课文原句：to trick others (教材P8)) ★ trick vt.欺骗；哄骗 n．花招；诡计；技巧 (1)trick sb.into doing sth.欺骗某人做…… (2) 捉弄某人 4. trick 【拓展词汇】 tricky adj［非正式用语］棘手的；难对付的： a tricky question / task trick  trick or treat意思是不给糖就捣蛋，指的是万圣节的时候，孩子们要糖果等礼物，如果不遂愿就要搞恶作剧。 万圣节（Halloween）是在每年的11月1日，是西方传统的节日，每当万圣节来临时，小孩都会装扮成各种可爱的鬼怪挨家挨户地敲门，要求获得糖果，否则就会捣乱。传说，每当到万圣节的晚上，各种鬼怪都会装扮成小孩混入人群中，一起庆祝万圣节的来临，而人们为了让鬼怪显得更融合，所以才装扮成各种鬼怪。 根据句意，选出画线部分的最佳释义。 1. She found that she had been tricked by the stranger. ________ 2. I can’t open the box — is there a trick to it? ________ 3. The children played a silly trick on my visitor, but he took it in good part and wasn’t annoyed. ________ 4. These pills should do the trick. You’ll feel much better in no time. ________ trick    诡计 / 恶作剧  起作用  技巧 / 诀窍  欺骗   ①Patience is the trick of _________(do) this job well. 耐心是做好这项工作的技巧。 ②If the neighbors do not give any sweets，the children might play a trick ______ them. 如果邻居不给孩子们糖果，孩子们就会捉弄他们。 ③An advertisement might be trying to trick customers______ buying a product or a service. 广告可能在诱导人们购买产品或服务。 doing on into ①The lake _____________ as we turned the corner. 我们转过弯就看到了湖。 ②_____________，playing computer games is a waste of time. 我认为玩电脑游戏就是浪费时间。 ③_______________ the bad weather，the event will be canceled. 鉴于天气恶劣，赛事将被取消。 ④If you stand at the top of the mountain，you will______________ the whole city. 如果你站在山顶上看，整个城市将一览无余。 ⑤English has been viewed ______ a universal tool of communication. 英语已被看作一种通用的交流工具。 came into view In my view In view of have a good view of as 5. view 课文原句：However，other users view avatars in a more positive light.(教材P9) ★view vt.看；把……视为 n．态度；观点；风景；视野 (1)view...as...把……视为…… (2)come into view进入视野 in/within view在视野以内 in one’s view 在某人看来 have a good view of一览无余 in view of鉴于；考虑到 表达自己的观点： in my view / in my opinion I believe, My own view is that … From my point of view, … In my judgement, 表述别人的观点： according to sb, For sb, Sb’s view is that … In sb’s view Sb is of the opinion that … Sb believes that … 如何用英语表达自己和别人的观点呢？ view语义助记 基本义 人 到 物 由 外 到 内 由  视野；视线  风景；景色 视觉 view n 看到的景色 对人或事物的看法 肉眼看到的范围 看的次数  观点；看法  观看；一睹； 一览 33 由词根view组成的词： re- + view = review (v) 复习 pre- + view = preview (v) 预习 inter- + view = interview (v) 采访；对……进行面试 一、写出下列句子中view的汉语释义。 1. I got a place next to the window, so I had a good view of the sidewalk. ___________ 2. What was the author’s view on factual reading? ___________ 3. Silence may be viewed by some cultural groups as extremely uncomfortable. ___________ 4. Join a guided bike tour and view some of the most popular monuments in Washington, D.C. ___________ 5. If we go on a trip abroad, we can broaden our view and gain knowledge we cannot get from books. ___________ 视野；视线 视作 观赏 / 观看 观点 眼界 view 二、写出下列短语的英语形式。 1. 挡住某人的视线 __________________ 2. 映入眼帘 __________________ 3. 人生观 __________________ 4. 鉴于；考虑到 __________________ 三、将下列句子译成英语。 1. 关于这个话题，我们有不同的观点。 We have _________________________________ the subject. 2. 在我看来，人和人之间没有什么差别。 _________________________________, there is no difference between one person and another. block sb’s view come into view view of life in view of different views on / about From my point of view / In my view 6. more than 课文原句：...they started having more than one avatar：a sensible one for work...(教材P9) ★more than 多于；不仅仅 more than＋数词　多于；超过 more than＋名词　不仅仅是 more than＋形容词/副词　很；非常 more...than...与其说……不如说…… ①For many，fishing is more than a sport；it is an art. 对于很多人来说，钓鱼不仅仅是一项运动，更是一门艺术。 ②Please call me at any time.I’m __________________ to help you in any way I can. 请随时给我打电话。我非常高兴尽我所能帮助你。 ③You are ________________ to stay for dinner but we aren’t having anything special. 非常欢迎你留下来吃饭，但是没有什么特别的饭菜。 ④As the teacher commented，he was ____________________. 正如老师的评论：与其说他笨不如说他懒。 more than happy more than welcome more lazy than stupid identity [C] & [U] [缩写为ID] 身份： create a real / digital identity(教材P9) [C] & [U]（区别人或群体的）个性 / 特征： a sense of national / cultural / group identity 同族词： identity, identify, identification   Once upon a time… His evil face identified him as a bad person. _____________ So, Little Red Riding Hood (LRRH ) was very careful with him. However, she told the wolf that she was going to her grandmother’s house. 表明……的身份 根据上下文，猜测画线单词的释义。 Gray wolf and Little Red Riding Hood 40 The LRRH failed to identify the grey wolf from her grandmother.   _____________ A passed-by hunter identified that there was something wrong with the snore（打呼噜）. _____________ Soon, the hunter found the identity of the sleeping guy was the grey wolf! _____________ 确认；找出(发现) 身份 认出；识别 41 identify 语义助记 “识别”特征归于“同一” 表明……的身份 确认；找出 认出；识别 视为同一 identify （词源义） 人或事物的特征使之“识别” “识别”人或事物的抽象特征 “识别”人的名字、身份或事物的形貌等具体特征 一、将下列短语翻译成英语。 1. 身份证 ___________________ 2. 社会认同 ___________________ 3. 发现某人的身份 ___________________ 4. 保护某人的身份 ___________________ 二、根据句意写出画线部分的汉语释义。 1. We need to identify the best ways of attaining our goals. ___________ 2. The woman’s accent identified her as an American. ___________ 3. Passengers were asked to identify their own suitcases before they were put on the plane. ___________ 4. She was able to identify the thief who stole her bicycle. ___________ an identity / ID card discover sb’s identity protect sb’s identity social identity identity 确认 认出 找出 表明……的身份 43 在平时学习中，我们可以进行两种形式的词义转换练习。 写作方向：用高级词替换一些常用的低级词，为书面表达增色。 阅读方向：用常见的容易理解的词去替换阅读中的高级词，帮助更好的理解。 词义转换训练（写作方向） 由常用到不常用，侧重运用。 1. The area is rich in wildlife. __________ 2. I’m writing to you to express my opinions. ______________ 3. In the coming three years, our school life will be difficult. ___________ 4. Some drivers, cyclists and pedestrians do not think it important to obey the traffic rules. ___________ abundant convey [正式] challenging vital 随堂测试 04 Ⅰ.单词拼写 1．It is ________ that nobody likes being played tricks on. 2．He was ______into buying the second-hand car by his colleague. 3．I’m writing to express my ________(担心) about water pollution in our city. 4．I highly recommend that you should read his______(博客) which is very creative. 5．I ______(喜欢) taking part in the meeting to explore our knowledge about teaching. obvious cheated concern blog fancy 6．In my ______，we students should take an active part in some after-school activities to build up our body. 7．She is good at mixing with all ______ of people. 8．Last week they went over their seeds to make a careful ______(选择)． 9．Taking part in art activities can help reduce stress and build ______(创造力)． 10．Would you like to __________with new hairstyles？ view types selection creativity experiment Ⅱ.单句语法填空 1．His plan was so good______ we all agreed to accept it. 2．The day we have been looking forward to ______(be) coming. 3．These digital identities，______(know) as avatars are a key part of how people use the Internet to communicate. 4．For more information __________(concern) the club，please call Mr Green. 5．Albert Einstein was born in 1879.As a child，few people guessed that he _________(be) a famous scientist whose theories would change the world. that is known concerning would be Ⅲ.单句写作 1．我原打算去参加你的生日派对，但意想不到的事情发生了。(be going to) _____________________________________________________________________________________________________________ . 2．他们做了如此多的面包，拿了一些给那些处于困境中的人。(so...that...) _____________________________________________________________________________________________________________ . 3．你给我打电话的时候我正在参观艺术博物馆。 (be doing...when...) _____________________________________________________________________________________________________________ . I was going to attend your birthday party，but something unexpected happened. They had made so much bread that they gave some to those in need. I was visiting the art museum when you rang me up. 4．我们都向往这一天，科学家能发现更多的宇宙奥秘。 (look forward to) _____________________________________________________________________________________________________________ . 5．考试时不要作弊，否则你会受到惩罚。(cheat) _____________________________________________________________________________________________________________ . We are all looking forward to the day when scientists can discover more secrets of the universe. Don’t cheat in the examination or you’ll be punished. THANK YOU x264 0.128.2216+688+32 a17ff54 tMod [8-bit@4:2:0 X86] $