寒假预习：第2讲 Unit 2 No rules, no order 课内解析+知识演练 2025-2026学年人教版七年级英语下册

寒假预习：第2讲 七下英语Unit 2 No rules, no order 课内解析+知识演练 课内核心解析 一、核心词汇 重点单词 1. rule /ruːl/ n. 规则（可数名词） 例句：We must follow the school rules.（我们必须遵守校规。） 2. obey /əʊˈbeɪ/ v. 遵守；服从 例句：Students should obey the teachers’ words.（学生们应该听从老师的话。） 3. follow /ˈfɒləʊ/ v. 遵循；跟随（与obey同义） 例句：Please follow the traffic rules when you go out.（出门时请遵守交通规则。） 4. quiet /ˈkwaɪət/ adj. 安静的 例句：We must keep quiet in the library.（我们在图书馆必须保持安静。） 5. noisy /ˈnɔɪzi/ adj. 吵闹的（quiet的反义词） 例句：Don’t be noisy in the classroom.（不要在教室里吵闹。） 6. must /mʌst/ modal v. 必须；应当（表强制要求，核心情态动词） 例句：You must finish your homework on time.（你必须按时完成作业。） 7. mustn’t /ˈmʌsnt/ modal v. 禁止；不许（must的否定式，表禁止） 例句：You mustn’t run in the hallways.（你不许在走廊里跑。） 8. late /leɪt/ adj. & adv. 晚的；迟到的 例句：Don’t be late for school.（上学不要迟到。） 9. class /klɑːs/ n. 班级；课 例句：We have to listen carefully in class.（我们在课上必须认真听讲。） 10. behave /bɪˈheɪv/ v. 表现 例句：We should behave well at school.（我们在学校应该表现好。） 重点短语 1. school rules 校规 2. follow the rules 遵守规则 3. obey the rules 遵守规则（同义短语） 4. keep quiet 保持安静 5. be noisy 吵闹 6. be late for 迟到（后接地点/事件） 7. in class 在课上 8. in the library 在图书馆 9. run in the hallways 在走廊里跑 10. behave well 表现良好 二、重点句型 1. 句型1：We must + 动词原形. （表示“我们必须做某事”，表强制要求） 例句：We must keep quiet in the library.（我们在图书馆必须保持安静。） 解析：must是情态动词，后面必须跟动词原形，无第三人称变化，语气强烈，用于规则要求。 2. 句型2：We mustn’t + 动词原形. （表示“我们禁止做某事”，表禁止） 例句：We mustn’t be noisy in class.（我们在课上禁止吵闹。） 解析：mustn’t 是must的否定式，语气强硬，用于明确禁止的行为，后面同样跟动词原形。 3. 句型3：Don’t + 动词原形. （否定祈使句，表“不要做某事”，贴合日常规则） 例句：Don’t run in the hallways.（不要在走廊里跑。） 解析：祈使句省略主语，直接以Don’t开头，后面跟动词原形，语气比mustn’t稍缓和，课内高频出现。 4. 句型4：We should + 动词原形. （表示“我们应该做某事”，表建议性规则） 例句：We should follow the school rules.（我们应该遵守校规。） 解析：should语气比must缓和，表建议，而非强制，后面跟动词原形，常用于日常行为建议。 5. 句型5：— Must we ...? （一般疑问句，询问“我们必须做某事吗？”） 答句：Yes, we must. / No, we needn’t.（不必） 例句：— Must we finish our homework now?（我们现在必须完成作业吗？） — Yes, we must. / No, we needn’t.（是的，必须。/ 不，不必。） 三、语法点睛 1. 情态动词must/mustn’t/should：均为情态动词，后面必须跟动词原形，无人称变化；must（必须）语气最强，mustn’t（禁止）表否定强制，should（应该）表建议。 2. 否定祈使句：以Don’t + 动词原形开头，表“不要做某事”，是课内规则表达的重点，如Don’t be late. Don’t run. 3. 短语搭配：be late for + 地点/事件（如be late for school 上学迟到），keep + 形容词（如keep quiet 保持安静）。 知识演练 一、词汇运用 A. 根据句意及首字母提示，补全单词。 1. We must f________ the school rules at school. 2. Don’t be n________ in the library. Keep quiet, please. 3. You m________ finish your homework before dinner. It’s a rule. 4. Don’t be l________ for class. We have to get to class on time. 5. Every student should b________ well at school. B. 用所给单词的适当形式填空。 1. We must keep _______（quiet）in the classroom. 2. Don’t ______（run）in the hallways. It’s dangerous. 3. You mustn’t ______（be）noisy in class. 4. We should _______（obey）our teachers’ words. 5. Following ________（rule）is important for us. 二、单项选择 （ ）1. — ______ we keep quiet in the library? — Yes, we must. A. Must B. Can C. Should （ ）2. — Don’t ______ late for school. You must get up early. A. be B. is C. are （ ）3. — We ______ be noisy in class. It’s against the school rules. A. must B. mustn’t C. should （ ）4. — As students, we should ______ the school rules. A. follow B. follows C. following （ ）5. — Must we finish our homework now? — No, we ______. A. must B. mustn’t C. needn’t 三、句型转换 1. We must keep quiet in the library.（改为否定句） We ______ ______ keep quiet in the library. 2. Don’t run in the hallways.（改为同义句） We ______ ______ run in the hallways. 3. We must obey the school rules.（改为一般疑问句） ______ we ______ the school rules? 4. We must be quiet in class.（对划线部分提问） ______ ______ we ______ in class? 5. They are noisy in the classroom.（改为否定祈使句） ______ ______ noisy in the classroom. 四、完形填空 No rules, no order. Our school has many rules. As students, we 1______ follow them. First, we must keep 2______ in the library. We mustn’t be noisy. Second, we mustn’t be late for school. Third, we mustn’t run in the 3______. It’s not safe. We should behave 4______ and obey our teachers. Following rules helps us study happily. We all know it’s important to 5______ the rules. （ ）1. A. must B. can C. may （ ）2. A. noisy B. quiet C. late （ ）3. A. library B. classroom C. hallways （ ）4. A. well B. bad C. noisy （ ）5. A. break B. follow C. make 五、阅读理解 Every school has rules. These rules are for students to follow. At our school, we have many rules. First, we must get to school on time. We mustn’t be late. Second, we must keep quiet in class and in the library. We can’t talk loudly or run around. Third, we must obey our teachers and listen carefully in class. We should ask questions actively when we have problems. Fourth, we mustn’t fight with our classmates. We should be friendly to each other. Following rules is not boring. It helps us live and study in a good environment. We all need to follow rules. （ ）1. What is the passage about? A. School rules. B. School life. C. Teachers’ rules. （ ）2. What must students do at this school? A. Be late for school. B. Keep quiet in class. C. Fight with classmates. （ ）3. We mustn’t ______ at school. A. get to school on time B. listen carefully in class C. talk loudly in the library （ ）4. What should students do when they have problems? A. Keep quiet. B. Ask questions actively. C. Fight with classmates. （ ）5. Why is following rules important? A. Because it helps us study happily. B. Because it is boring. C. Because it makes us late. 六、书面表达 假设你是李华，请根据课内所学知识，写一篇50词左右的短文，介绍你们学校的校规，包含以下要点： 1. 开头点明“没有规矩不成方圆”；2. 列举2-3条具体校规；3. 结尾说明遵守校规的重要性。 ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 答案 一、词汇运用 A. 1. follow 2. noisy 3. must 4. late 5. behave B. 1. quiet 2. run 3. be 4. obey 5. rules 二、单项选择 1. A 2. A 3. B 4. A 5. C 三、句型转换 1. must not 2. mustn’t 3. Must; obey 4. What must; do 5. Don’t be 四、完形填空 1. A 2. B 3. C 4. A 5. B 五、阅读理解 1. A 2. B 3. C 4. B 5. A 六、书面表达（参考范文） No Rules, No Order As a student, I know “No rules, no order”. Our school has many rules. We must keep quiet in the library and in class. We mustn’t be late for school or run in the hallways. We should follow these rules. It helps us study happily and live in a good environment. ( 1 ) 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $