Unit 3 Smart Learning暑假预习 2026-2027学年人教版九年级英语上册

Unit 3 Smart Learning暑假预习九年级上册 01 预习航标 → 析目标·明方向 关键词 学习目标导航 学习目标​ 1. 掌握数字学习核心词汇（AI, course, app, digital, note, review, progress, tool, resource, online） 2. 能用 情态动词表推测（must/could/might/can't）​ 判断学习现象的可能性 3. 听懂“智能学习工具”类对话，抓取工具功能、使用感受、学习效果等信息 4. 能结合自身体验，用英语介绍一款学习APP或在线课程，并评价其优劣 学习重点​ 情态动词表推测的肯定/否定/疑问用法；被动语态在数字学习语境中的运用 学习难点​ 精准区分 must be（一定） / could be（可能） / can't be（不可能）​ 的语气强弱；在口语中自然嵌入推测表达，而非生硬套句型 02 教材全解 → 析教材·学新知 考点1 情态动词表推测（本单元 Grammar Focus 核心） 【详解】 情态动词 含义 语气 例句（教材语境） must​ 一定（肯定推测） 几乎100% That must be​ an AI tutor. It answers so fast. could / might​ 可能（不确定推测） 20%~80% This could be​ a useful app for vocabulary. can't​ 不可能（否定推测） 几乎0% It can't be​ a real teacher—it never gets tired! 规则： • 对现在推测：must/could/might/can't + 动词原形 • 对正在发生推测：must/could/might/can't + be + doing • 对过去推测：must/could/might/can't + have done 【典例】 Listen! That ______ be our AI teacher giving a lesson. It sounds exactly like her. A. can't B. must C. might D. could 【答案】 B 【详解】 由 Listen! 和 exactly like her 可知，说话人非常确定，用 must be。 【即练1】 This app ______ be very helpful—it has millions of users.（填 must / could / can't） 【即练2】 That ______ be Tom. He has gone to Shanghai for a competition.（填 must / could / can't） 考点2 情态动词 + be doing（推测正在发生的事） 【详解】 • 结构：must/could/might/can't + be + 现在分词 • 教材 2d 语境：— Who is using the computer? — It must be Lisa. She must be writing her digital notes. 【典例】 Don't make noise. The baby ______ sleeping in the bedroom. A. must B. must be C. must to be D. must being 【答案】 B 【详解】 推测正在进行的动作，用 must be + doing。 【即练1】 Look at the screen! Someone ______ (must be / could be) watching an online course now. 【即练2】 He isn't answering the phone. He ______ (can't be / must be) studying in the library. 考点3 数字学习语境下的被动语态 【详解】 • 智能学习的特点：工具/课程/数据“被”提供、保存、分析 • 常见句型（教材 3a 高频）： • Online courses are offered for free. • Your progress is recorded automatically. • Mistakes can be corrected immediately by AI. 【典例】 In smart learning systems, students' learning data ______ (analyze) to give personal advice. A. analyze B. are analyzed C. is analyzed D. analyzed 【答案】 C 【详解】 data 是不可数名词，且“被分析”，用一般现在时被动 is analyzed。 【即练1】 Digital notes ______ (save) automatically when you close the app. 【即练2】 AI tutors ______ (use) by more and more students nowadays. 考点4 学习工具评价句型（It's + adj. + to do） 【详解】 • 教材 4b 讨论 APP 优劣： • It's convenient to review words with this app. • It's difficult to focus when there are too many ads. • 常搭形容词：convenient, efficient, helpful, difficult, easy, boring 【典例】 It's very ______ to take photos of the blackboard instead of copying by hand. A. efficiently B. efficiency C. efficient D. more efficiently 【答案】 C 【详解】 It's + adj. + to do，用形容词 efficient。 【即练1】 It's ______ (help) to set daily goals in your learning app. 【即练2】 It's not easy ______ (stay) focused with so many notifications. 考点5 学习策略短语（1a–2c 核心词组） 【详解】 短语 含义 例句 take digital notes​ 做电子笔记 I take digital notes on my tablet. review regularly​ 定期复习 You should review regularly to remember better. make progress​ 取得进步 He has made great progress in listening. stay focused​ 保持专注 It's hard to stay focused with games nearby. sign up for​ 报名/注册 I signed up for an online course about AI. 【典例】 If you want to improve, you must ______ what you learned every day. A. sign up for B. stay focused C. review regularly D. take notes 【答案】 C 【详解】 想提高就要“定期复习”，review regularly 符合逻辑。 【即练1】 She ______ a free coding course last week.（用 sign up for 适当形式） 【即练2】 It's important to ______ when the teacher is explaining. 考点6 比较级 + and + 比较级（越来越……） 【详解】 • 教材 3a：Technology is becoming more and more powerful. • 结构： • 多音节：more and more + adj. • 短形容词：adj.-er and adj.-er（faster and faster） 【典例】 With AI help, learning is getting ______. A. easy and easy B. easier and easier C. more easy and more easy D. easiest and easiest 【答案】 B 【详解】 easy 是短形容词，双写 y 前辅音 + er → easier and easier。 【即练1】】 Our learning tools are becoming ______ (smart) and ______. 【即练2】 He is making progress ______ (fast) and ______. 03 过关检测 一、单词拼写（首字母+汉语提示） 1. You can take o______ courses at home.（在线的） 2. AI is a useful t______ for language learning.（工具） 3. Don't forget to r______ what you learned before the exam.（复习） 4. She made great p______ in speaking this term.（进步） 5. These d______ notes can be searched quickly.（数字的） 6. It's c______ to study anytime with a learning app.（方便的） 7. Too many ads make it hard to s______ focused.（保持） 8. He s______ up for a free writing course last month.（报名） 9. Your learning data is a______ stored in the cloud.（自动地） 10. This app is very e______ for building vocabulary.（高效的） 二、单项选择 1. That ______ be our new AI teacher. It speaks perfect English! A. can't B. must C. might D. could 2. Look! Someone ______ using the VR headset to learn history. A. must B. must be C. must to be D. must being 3. In smart classrooms, students' progress ______ by computers. A. record B. records C. is recorded D. are recorded 4. It's very ______ to learn with real-time feedback from AI. A. help B. helpful C. helpless D. helping 5. She ______ a free online course about space science last week. A. signed up for B. signed up C. signs up for D. signing up 6. With better tools, learning is getting ______. A. easy and easy B. easier and easier C. more easy D. easiest 7. He isn't in the classroom. He ______ be in the library. A. must B. can't C. could D. will 8. Digital notes ______ automatically when you close the app. A. save B. saves C. are saved D. is saved 9. It's important ______ every day to remember new words. A. review B. reviewing C. to review D. reviewed 10. ______ you study, ______ you will understand. A. The harder; the better B. Harder; better C. The hard; the good D. Hard; good 三、用所给词适当形式填空 1. This app ______ (must be) very popular. It has 10 million users. 2. Your mistakes ______ (correct) by AI immediately. 3. It's ______ (help) to set small goals every day. 4. She ______ (sign) up for three online courses this year. 5. Technology is becoming ______ and ______ (powerful). 6. He ______ (make) great progress since he started using this app. 7. It's difficult ______ (stay) focused with so many messages. 8. Digital notes ______ (save) in the cloud automatically. 四、完成句子（每空一词） 1. 那一定是我们的AI老师在讲课。声音听起来一模一样。 That ______ ______ our AI teacher giving a lesson. The voice sounds exactly the same. 2. 看！有人在用手表学英语。 Look! Someone ______ ______ English with a smartwatch. 3. 在线课程现在被越来越多的学生使用。 Online courses ______ ______ by more and more students nowadays. 4. 定期复习很重要。 It's important ______ ______ regularly. 5. 学习工具正变得越来越智能。 Learning tools are becoming ______ and ______ ______. 参考答案 过关检测 · 答案 一、单词拼写 1. online2. tool3. review4. progress5. digital6. convenient7. stay 8. signed up9. automatically10. efficient 二、单项选择 1. B（声音完美→非常确定） 2. B（Look! 正在发生） 3. C（progress 不可数，被动） 4. B（It's + adj.） 5. A（last week 过去时，sign up for） 6. B（比较级叠用） 7. C（不在教室→可能在图书馆，不确定） 8. C（notes 复数，被动） 9. C（It's + adj. + to do） 10. A（The + 比较级，the + 比较级） 三、用所给词适当形式填空 1. must be 2. are corrected 3. helpful 4. has signed 5. more powerful; more powerful 6. has made 7. to stay 8. are saved 四、完成句子 1. must be 2. must be learning 3. are used 4. to review 5. more and more intelligent / smarter and smarter 学科网（北京）股份有限公司 $