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

该高中英语课件围绕“avatars”展开，涵盖定义、发展、用途及人们观点，结合过去将来时语法与核心词汇教学。课堂导入通过互动问题、头像图片选择等活动激活学生经验，从单词预习到阅读分析、语法练习、词汇拓展，构建循序渐进的学习支架。 其亮点在于融合语言能力、思维品质与学习能力培养。阅读用表格梳理头像发展历程和使用目的，语法通过对比练习强化过去将来时应用，词汇借助语境猜词和语义助记深化理解。学生在互动中提升语言运用与批判性思维，教师可利用结构化活动高效开展教学。

Unit 4 Information Technology Lesson 1 Avatars 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 2 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 单词预习检测 —— 英汉互译 3 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 单词预习检测 —— 英汉互译 4 What kind of avatar do you use online, a photo of yourself, a cartoon image or something else? Why? Example: I use a cartoon character avatar instead of a photo to protect myself. FYZX (F) - Here are some people with different avatars. Which one do you want to make friends with? Why? (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) Example: I use_________ as my avatar in order to/because_________. Activate and share Why did you choose it? To trick others To avoid online safety risks To express myself freely To create a real/digital identity To protect myself Warming-up What does “avatar” mean? An avatar is a personalized graphical illustration that represents a computer user, or a character or alter ego (另一个我) that represents that user. An avatar can be represented either in three-dimensional form (for example, in games or virtual worlds) or in two-dimensional form as an icon (图像) in Internet forums and virtual worlds. Avatars Definition History Views Uses Design Meaning ... You are going to read an article about avatars. What would you like to learn from it? Write down your questions in the diagram. Prediction Read and explore 1 2 3 4 5 6 definition history purposes of using avatars different views Please read and underline the answers to your questions. 1. what is avatar? While Reading Avatars Details Definition A digital image represents an Internet user. 2. How have avatars developed over decades ? While Reading Avatars Details History 1980s Late 1990s The first simple 2D avatars appeared in role-playing computer games Avatars were being used in web chats 3. How do people use avatars? While Reading Avatars Details Purposes of using avatars To express oneself to create their new identities. ☞ to create their new identities. ☞ to try being someone of the opposite sex. ☞ to call themselves other names. ☞ to have more than one avatar. 3. How do people use avatars? While Reading Avatars Details Purposes of using avatars To represent oneself to create their new identities. ☞a cute cat: I like relaxing and having fun. ☞cartoon characters: I’m a really funny person. ☞have similiar features and look or act like them. ☞look better than they do in real life. 4. What are people’s views on the use of avatatrs ? While Reading Views Negative Positive Avatars Details People spend so much time in virtual worlds that they are becoming afraid of meeting people in the real world. To cheat others online. People look forward to a time when their avatars will act just like a real person and travel around bigger, more exciting virtual world. Recalling Complete the short text with information from the article. Avatars are digital 1 ________that you use to represent yourself online. You can choose an avatar from 2 _________ of ready-made images, or 3 ___________________. Although avatars haven’t been around for long, they are widely used. Avatars let you 4 _____________ and give you 5 _________________. But the use of avatars has also caused 6 ____________. Some users worry that they are spending too much time 7 ______________ that they are becoming afraid of meeting people in the real world. The use of several avatars can also be 8 _____, as people can use avatars to 9 ________________. However, many people see avatars in 10 _______________. express yourself identities a selection create your own images room for creativity a few concerns in virtual worlds a risk cheat others online a positive light Observing Read the sentences. Write P below the underlined parts that refer to the past and PF below the underlined parts that refer to the future in the past. 1. Yet very few people knew that future avatars would have such a wide variety of forms and uses. 2. When people started creating their own avatars, they discovered that they were going to have the power to create new identities that did not look or act like their real selves at all. 3. Many Internet users realised that their avatars would be seen by many people, not just their friends. P PF P P P PF PF 过去将来时 (Past Future) 1.定义：过去将来时表示从过去某时看将要发生的动作或存在的状态 2.结构 would/should +V原 was/were going to+V原 was/were about to+V原 was/were to+V原 表否定：将来不会做某事 2.结构 would/should+not +V原 was/were+not going to+V原 was/were+not about to+V原 was/were+not to+V原 wouldn’t shouldn’t wasn’t weren’t 3.用法 表示从过去的某个时间看将要发生的事，常用于主句为一般过去时的宾语从句中（主过从必过） He told me that he would take an important exam next week. 他告诉我他下周将参加一场重要的考试。 I wondered when we would leave for Beijing. 我想要知道我们什么时候动身去北京。 1. I wasn’t sure whether he (lend) me his book the next morning. 2.This morning, Alice was about (go) out when the door opened and in came some strangers. 3.We decided that we (fly) to Canada the next morning. 4.He was sixteen. In two years, he (be) eighteen. would lend to go would fly would be 试比较以下两组时态： Grammar—Past Future 一般将来时 过去将来时 Grammar—Past Future 概念：“过去将来时” 指的是以过去时间为基点将要发生的情况。比如，“I will go tomorrow. 我明天去。” 这个“明天”属于将来；如果说“I said that I would go the next day. 我说过第二天会去的。”这个“第二天” ，就是属于过去将来。 基本结构： 主语 + was/were going to + 动词原形 I was going to tell him, but he didn’t give me a chance. 我想要告诉他这些事的，但他没给我机会。 主语 + would + 动词原形 He said that he wouldn’t finish his work this afternoon. 他说他今天下午完成不了工作。 主语 + was/were + 现在分词 We were seeing each other later that day, but I had to phone and cancel. 我们本打算那天晚些时候见面的，但我打电话取消了。 主语 + was/were （about）+ 动词不定式 He said they were to leave at six. 他说他们将于6点出发。 24 Grammar Summary was/were going to be/do would be/do 比较was/were going to be/do”和“would be/do”结构 表示过去计划、安排要做的事 表示说话人根据当时的迹象推断将发生的事 表示过去的计划或打算，但因外界干扰而中断 多用于非正式场合或口语中 表示过去将来要发生的事 表示意愿或承诺要做的事 表示过去某个时期常见的情况或习惯性的动作 除用于口语外，多用于正式场合或书面语中 fancy adj. 异常复杂的；精致的；绚丽的；昂贵的 Harry took me to a fancy restaurant for our anniversary. 哈里带我去一家高级餐厅庆祝我们的结婚纪念日。 What do you fancy doing, anyway? 你想做什么呢? fancy v. 想要；想做 fancy doing sth. 设想做某事；想象做某事；喜欢做某事 The Key words The Key words more or less 有几分；约；大概 I was meeting these chaps who were mostly more or less my own age. 我见到了这帮小伙子，他们多数和我年龄相仿。 I suspect that he is more or less involved in the affair. 我怀疑他和这件事多少有些牵连。 a selection of 一系列；汇集了精选的 I did not know at the time that he had translated a selection of Han Shan poems, and he didn’t mention the fact. 那时我并不知道他曾翻译过寒山的诗歌，他自己也没提过。 selection n. 选择；挑选；被挑选的人（物）；可供选择的事物 The Key words 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”。 29 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. 30 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 4. 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 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 5.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… 6. 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. 35 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 7. 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。 8. 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 40 9、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 42 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 43 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 Assignment Organize your group discussion into a short passage. Try to use newly-learnt expressions as many as possible. Thank You ! $