Unit 7 课时5 Section B（2a-2c）（大单元课时课件）英语人教版2024八年级上册

该初中英语课件聚焦科技与未来主题词汇，通过回顾复习Section B (1a—1e)旧词（如guest、researcher），结合2a查字典写反义词及“否定前缀五剑客”（un-、in-等）速览，构建新旧词汇联系，形成词汇学习支架。 其亮点在于以语言能力为核心，2b单句填空（如用mention、develop）和2c篇章填空（AI主题语境）实现词汇从输入到输出；思维品质方面，构词法归纳（否定前缀）和2c语篇结构分析培养逻辑能力；学习能力上，自我检测与小组交流提升运用效率。学生能提升语境词汇运用与主题表达，教师可借助结构化活动高效教学。

Unit 7 When Tomorrow Comes 人教版2024版八年级上册 课时5 Section B (2a—2c) 词汇课 Learning Objectives 1.学生能通过查阅字典、对比分析，准确理解 与科技、未来相关词汇的语义及反义关系；能结合 2c AI 主题语篇，明晰目标词汇在语篇中的语法功能（表预测、影响、建议等）及使用场景。 01 2. 学生能依据句子语境、语法规则及语篇逻辑，正确运用词汇形式完成 2b 单句填空和 2c 篇章填空，在小组交流中，能用“因为句子描述过去动作，所以选‘mentioned’”，提升语境解码与词汇运用能力。 02 3. 学生能借鉴 2c 语篇 “主题引入 — 具体影响 — 总结思考” 的结构，运用目标词汇及 “will + 动词”“I think...” 等句型，写一段 “AI 对未来学习的影响” 短文或分享观点，实现词汇从输入到输出的转化，提升主题内容表达与语篇建构能力。 03 按要求写出正确的单词、词组或句子。 客人 (名词) __________ 2.研究者(名词) ___________ 3. 未来学家(名词) __________ 4. 到处(连词) __________ 5. 机器人学(名词) __________ 6. 工业 (名词) __________ 7. 服务（名词）__________ 8. 灾难（名词）________ 9. 中国的机器人产业增长迅速。 ___________________________ 10. 未来将有更多挑战的工作。 _______________________ 11. 今天的选择将影响你的未来。___________________ 12. 我们的创造力和情商对关系很重要。 ________________________________________ guest researcher futurist everywhere robotics industry service disaster China’s robotics industry is growing fast. There will be more challenging jobs in the future. Today’s choices will influence your future. Our creativity and emotional intelligence are important for relationships. 回顾复习Section B (1a—1e） 1. more _____________ 2. possible _____________ 3. better _____________ 4. challenging _____________ 5. appear _____________ 6. winner _____________ 7. positive _____________ 8. everywhere _____________ Write the opposites of the words. Use your dictionary. 2a less impossible worse easy disappear loser negative nowhere 中考70%的反义词可通过构词法生成，掌握un-、in-、im-、dis-、non-五个高频否定前缀，能快速推断反义词。 构词法核心 un-表“不、未、相反动作”，如happy→unhappy；in-表“不、无”，多接以c、p、m开头的形容词，如correct→incorrect。 前缀含义 通过usual→unusual、possible→impossible等示例，让学生体验见词即能反义的快感，增强记忆信心。 示例体验 否定前缀五剑客速览 5 Complete the sentences with the correct forms of the words in the box. 2b 1. He _____________ a plan to learn German, but he didn’t say when he would start. 2. It is important for young students to ____________ skills that will be valuable in the future. 3. Asimov’s ideas about robots ____________ many sci-fi writers and even some AI scientists. 4. China will take steps to improve the public health system to meet the public’s needs for medical and health ____________. 5. ____________ the challenges and don’t run away from your problems. Try to solve them and then you will find your way. accept develop influence mention service mentioned develop influenced services Accept German /ˈdʒɜːmən/ n. 德语；德国人 adj. 德国的 valuable /ˈvæljuəbl/ adj. 很有用的；宝贵的 challenge /ˈtʃælɪndʒ/ n. 挑战；质疑 v. 向（某人）挑战；对……怀疑 Complete the passage with the correct forms of the words in the box. 2c How will AI technology _______________ the future world? Many experts think AI will improve the _______________ of our future life and change many industries. For example, AI will help us build a smart public transport system and solve _______________ problems. AI will also change education. It will make learning better match what students need. While some jobs may go away, people will focus on more _______________ and difficult tasks. Will AI make our life better or _______________? It depends on how we choose to improve and use AI to meet future _______________. challenge create influence quality traffic bad influence depend /dɪˈpend/ v. 取决于；依靠 depend on / upon 取决于；依靠 quality traffic creative worse challenges public /ˈpʌblɪk/ adj. 公共的；公众的 task /tɑːsk/ n. 任务；工作 1. China will take steps to improve the public health system to meet the public′s needs for medical and health service. 中国将采取措施改善公共卫生系统，以满足公众对医疗和健康服务的需求。 ①. take steps to do sth. 采取措施做某事 step 在此处是可数名词，意为“措施；步骤”。 Language Points! eg: The government must take steps to make the air less polluted. 政府必须采取措施来减少空气污染。 We should take steps to protect our Earth. 我们应当采取措施来保护地球。 [拓展] public 作名词，意为“民众”。 in public 意为“公开地；当众”。 eg: David dressed them down in public. 戴维当众训斥了他们。 ②. public /′pʌblɪk/ [形容词] 公共的；公众的 eg: As we all know，using public chopsticks is necessary when we eat with others. 众所周知，当我们与其他人一起吃饭时，使用公筷是必要的。 Language Points! 2. China will take steps to improve the public health system to meet the public′s needs for medical and health service. 中国将采取措施改善公共卫生系统，以满足公众对医疗和健康服务的需求。 ①. take steps to do sth. 采取措施做某事 step 在此处是可数名词，意为“措施；步骤”。 Language Points! eg: The government must take steps to make the air less polluted. 政府必须采取措施来减少空气污染。 We should take steps to protect our Earth. 我们应当采取措施来保护地球。 [拓展] public 作名词，意为“民众”。 in public 意为“公开地；当众”。 eg: David dressed them down in public. 戴维当众训斥了他们。 ②. public /′pʌblɪk/ [形容词] 公共的；公众的 eg: As we all know，using public chopsticks is necessary when we eat with others. 众所周知，当我们与其他人一起吃饭时，使用公筷是必要的。 Language Points! [拓展] medicine作名词，意为“药；医学”，通常作不可数名词。 take medicine 意为“吃药”。 eg: Good medicine always tastes bitter. 良药苦口。 You should take some medicine and drink more water. 你应该吃些药并且多喝水。 ③. medical /′medɪkl/ [形容词] 医学的；医疗的 medical 作形容词，通常在句中作定语。 Language Points! 3. It depends on how we choose to improve and use AI to meet future challenges. 这取决于我们如何选择改进和利用人工智能来应对未来的挑战。 depend /dɪ′pend/ [动词] 取决于；依靠 depend on/upon 取决于；依靠；指望 depend on/upon sb./sth. to do sth. 依靠某人/某物做某事 Language Points! depend on/upon sb./sth. to do/doing sth. 指望某人/某物做某事 depend on/upon＋从句 取决于······· [拓展] it (all) depends 意为“那得看情况”。 eg: I don′t know if we can help—it all depends. 我不知道我们能不能帮上忙，一切都得看情况而定。 eg: The success or failure of the plan depends on you. 这项计划的成败取决于你。 You can never depend on him to arrive on time. 你决不能指望他准时到达。 Language Points! 自我检测 按要求写出正确的单词、词组或句子。 有价值的 (形容词) __________ 2.公共的(形容词) ___________ 3. 医药的(形容词) __________ 4. 挑战(名词) __________ 5. 任务(名词) __________ 6. 依靠 (短语) __________ 7. 德国人（名词）__________ 8. 接受（动词）________ 9. 中国将会逐步提升公共医疗系统。 ___________________________ 10. 这取决于我们如何选择去提升使用人工智能去面临未来的挑战。 _______________________ valuable public medical challenge task depend on German accept China will take steps to improve the public health system. It depends on how we choose to improve and use AI to meet future challenges. Humans might live on another planet one day! That seemed 1. ____________ (possible) years ago.But now the idea might come true. Stephen Hawking, 2. ____ great British scientist, said that we humans only have 1,000 years to live on the Earth. It means that humans will 3. _____ (fly) to another planet in 1,000 years. In fact, we have found one red planet—Mars. Mars is the fourth planet from the sun and it’s the closest to Earth, but it’s much 4. _______ (cold) than Earth. For many years, scientists have studied Mars.Some years ago, they 5. _______ (send) robots there and wanted to find water and life on Mars. 6. ________ (luck), they impossible 短文填空：阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式 。 Exercises a fly colder sent Luckily found that there is water on it. Then the idea of living on Mars looks possible. In 2013, Dutch scientists first planned to 7. _______ (put) humans on Mars. They offered (提供 ) people one-way tickets to go and build new homes on Mars. 8. ____________________ it was dangerous, over 200,000 people still wanted to take part in it. American scientists showed another plan to get humans to Mars. They are working on 9.__________ (build) larger rockets these days. They are also doing a lot of preparations to help people leave the Earth. I believe that humans will go to Mars and have an even closer look 10. _____ our red neighbor. Exercises put Although/Though building at Thanks for listening 人教版2024版八年级上册 $