Unit 7 Section B（Vocabulary in use 2a-2c）（同步实用课件）-2025-2026学年八年级英语上册同步精美课件（人教版2024）

该初中英语课件围绕Unit 7 "When Tomorrow Comes"的词汇学习展开，核心内容包括反义词构成规则（否定前缀、合成词、不同词形等）及多元词汇学习策略（歌曲、联系、句子、语篇、思维导图），通过回顾已学词汇引导学生观察归纳反义词构成，再结合AI主题的句子和语篇填空，搭建“观察-归纳-实践”的学习支架，帮助学生系统建立词汇联系。 其亮点在于融合语言能力、思维品质与学习能力培养，如通过“winner/loser”词汇网络构建联系培养分类思维，利用否定前缀规则归纳提升逻辑分析能力，结合AI主题语篇填空（如2c段落）强化语境表达。互动活动（小组竞赛写反义词、思维导图作业）激发主动学习，学生能高效积累词汇并灵活运用，教师可直接采用结构化活动设计，提升教学效率。

Unit 7 When Tomorrow Comes Section B 2a-2c Learning Objectives 能够通过回顾已学词汇，观察并归纳反义词的不同构成方式（如添加前缀、词根变化或使用完全不同的词形）；能够通过主动查阅词典，探索并积累更多反义词，拓展词汇量。 01 02 能够结合语境灵活运用本单元所学新词汇进行表达。 03 能够养成通过对比、分类和自主查阅等高效学习词汇的习惯，增强独立积累和掌握词汇的能力 Secret 1: Learning words in songs old young fast slow poor rich fat thin Secret 2: Learning words by building connections opposites 反义词 Secret 2: Learning words by building connections. 2a Write the opposites of the words. Use your dictionary. Are there any rules? 1. more __________ 2. possible _____________ 3. better _____________ 4. challenging _____________ 5. appear _____________ 6. winner _____________ 7. positive _____________ 8. everywhere _____________ less/fewer worse disappear negative impossible easy/simple loser nowhere 加前缀构成反义词, 如im, in, un, dis,等 合成反义词，常见如input/output，inside/outside，upstairs/downstairs等； 合成反义词 input---output, inside---outside, daytime---nighttime, upstairs---downstairs dis- im- un- non- mis- in- 译为“不 (是)” “无”“非”等。 加在单词前面 , 可变为该词的反义词 , 表示否定意义的前缀 否定前缀 dis- 表否定 dis- agree 同意 dis- disagree 不同意 like 喜欢 dis- dislike 不喜欢 “dis-” 加在________前，改变词义，使其表示与原动词相反的动作或状态。 动词 in- 表否定 active 积极的 in- inactive 不活跃的 ability 能力 in- inability 无能力 “in-” 加在形容词或者_____前，表达否定的含义。 名词 in- im- 是 in- 变体，用于 b/m/p 开头单词前 possible 可能的 im- impossible 不可能的 proper 恰当的 im- improper 不恰当的 patient 耐心的 im- impatient 不耐烦 im- un- 表否定，加在形容词前, 直接否定属性或状态。加在动词前, 表示 “逆转、取消原动作”; 加在名词前：表示 “否定状态或相反事物”。 un- lucky幸运的 un- unlucky 不幸的 comfortable舒适的 un- uncomfortable 不舒服的 cover v. 覆盖 un- uncover 揭开；揭露 rest n. 休息 un- unrest 动荡 non- 表否定 non- stop n.停止 non- nonstop 不间断的行程 sense n. 感觉 non- nonsense 无意义的话 “non-” 加在_______或者_____前，表达否定的含义。 alcoholic（含酒精的 ） non- non-alcoholic 不含酒精的 名词 形容词 mis- 表否定, 核心是 “错误性”描述动作的偏差 或结果的不当。 mis- place v. 放置 mis- misplace 放错地方 understand v. 理解 mis- misunderstand 误解 fortune n. 运气 mis- misfortune 不幸；厄运 “mis-” 加在_______或者_____前，表达否定的含义。 名词 动词 Secret 2: Learning words by building connections---game Work in groups of four, write down as many opposites as possible in two minutes on the paper. Secret 2: Learning words by building connections winner loser win, won winning lose, lost, losing happy, glad, excited, joyful sad, down, worried, angry, disappointed Don’t lose heart. Be positive. Do better next time. easy, simple difficult, challenging Don’t be too proud. Keep working hard. Anything is possible. Complete the sentences in 2b with the correct forms of the words in the box. 2b v. v. v. v. n. mentioned develop influenced services Accept 培养技能 采取步骤 满足公众需求 回避；逃离 Secret 3: Learning words in sentences. 小红书：Christina在努力 Complete the passage in 2c with the correct forms of the words in the box. v. adj. n. n. / adj. adj. 比较级 n. 2c What’s the main idea of this passage? Tip 1: 读大意，判断词性 n./ v. v. n./ v. n./adj. n./v. adj. 小红书：Christina在努力 influence creative challenges traffic worse quality 2c Tip 2: 结合语境选词，注意词形的变化。 adj. challenging adj. creative/ n. creativity badly, worse, worst Complete the passage in 2c with the correct forms of the words in the box. Secret 4: Learning words in passages. 小红书：Christina在努力 the influence of AI good influences bad influences improve the quality of our life build smart transport system solve traffic problems change education make learning better match students’ need jobs some jobs may go away focus on more creative and difficult tasks better or worse? depends on how we choose and use Secret 5: Learning words by drawing mind maps. Keep learning and choose wisely! What the future will be like depends on our actions and choices today! Unit 7 When Tomorrow Comes Vocabulary in use 2a-2c Learning words in songs Learning words by building connections Learning words in sentences Learning words in passages Learning words by drawing mind maps Homework 基础作业：任选2个本单元核心词汇进行发散思考，以关联和拓展更多相关词汇，并用思维导图的方式纪录下来。 拓展作业：围绕“AI给我们的生活打来更多便利还是更多挑战”的话题，搜集资料，每一种观点至少搜集3条论据或例子，为后期的辩论做准备。 accept develop influence mention service challenge create quality traffic bad Match the words with the correct Chinese meanings. 1. n. 素质；质量 adj. 优质的 2. n. 服务 3. v. 增强；发展；开发 4. 差的；坏的 5. n. 挑战；质疑 v. 向......挑战 6. n. 交通 v. 做......买卖 7. v. 提到；写到 8. v. 接受；相信 9. n./ v. 影响 10. v. 创造 1. Accept the challenges and don’t runaway from your problems. 接受挑战，不要逃避你的问题。 challenge /ˈtʃælɪndʒ/n. 挑战；质疑v. 向（某人）挑战 (1)【名词】挑战；质疑 the challenge of... …… 的挑战 face a challenge 面对挑战 take on/accept a challenge 接受挑战 (2)【动词】 向…… 挑战；对…… 怀疑 challenge sb. to sth. 向某人提出挑战要求比试某事物 他向我挑战下一盘棋。He __________________ a game of chess. challenged me to 2. It depends on how we choose to improveand use AI to meet future challenges. 这取决于我们选择如何改进并利用人工智能来迎接未来的挑战。 (1) depend on 取决于；依靠 (2) it/that depends 意为 “那得看情况”。 我们应该学习一些基本的生活技能，因为总有一天我们必须依 靠自己。 We should learn some basic life skills since we must ___________ ourselves some day. depend on 一、 根据首字母或汉语提示完成单词 1. Food safety is the most important. We need food of good q ⁠. 2. — Don’t talk about this matter again. — Sorry， I won’t m it again. uality　 ention　 3. Lu Xun is the a of The True Story of Ah Q（《阿Q正传》）. 4. I often eat at Shenghao Restaurant. Its food and s are excellent. uthor　 ervice　 5. The head teacher often （接受） our advice about having classes. 6. They are all （专家）. You can ask them for help. accepts　 experts　 7. Several people were hurt in the traffic accident. It was really a d ⁠. 8. The teachers often tell us what to do in an e ， such as a fire or an earthquake. 9. He wants to be a p . He is interested in driving planes. 10. Grandma always makes the （客人） feel at home. isaster　 mergency　 ilot　 guests　 11. — Who （影响） you most in your early life？ — My father did. 12. The idea of AI （发展） really quickly in early 2025. influenced　 developed　 二、 用括号内所给单词的适当形式填空 1. Nothing is （possible） if you try your best and stick to it. 2. The sun is rising. Little by little the snow （appear）. 3. The （creative） plays an important role in AI technology. 4. The man is a scientist and （future）. 5. There will be robots （somewhere）. They can take over most of the work. impossible　 is disappearing　 creativity　 futurist　 everywhere　 三、 根据汉语意思，完成英语句子 1. 他是这本书的作者。 He is the book. 2. 你能告诉我们50年后的生活会有什么不同吗？ Can you tell us life different 50 years？ 3. 人工智能将改变我们的工作、学习和生活方式。 AI work， study and live. 4. 在未来，机器人将接管今天的大多数工作。 In the future， robots most jobs of today. author　 of　 the　 how　 will　 be　 in　 will　 change　 how　 we　 will　 take　 over　 5. 当我们（的一些食物）快用完时，智能冰箱会为我们预订食物。 When we are ， a smart refrigerator will ⁠ food for us. 6. 我们不可能为未来做好准备。 It is us for the future. running　 low　 order　 impossible　 for　 to　 prepare　 $