Unit2知识点1 Section A（2）2025-2026学年人教版七年级英语下册

七年级英语下册Unit2知识点1-Section A 一、固定搭配与短语 短语 中文释义 例句 be late for 迟到 Don't be late for class. on time 准时 Please finish your homework on time. in the hallways 在走廊里 Don't run in the hallways. turn off 关闭（电器等） Please turn off the lights when you leave. keep...in... 把…… 保存在…… 里 Keep your books in your schoolbag. bring...to... 把…… 带到…… Don't bring snacks to the classroom. treat...with respect 尊重地对待…… We should treat everyone with respect. be good for 对…… 有好处 Exercise is good for our health. have to 不得不 I have to finish my homework first. mustn't 禁止、不准 You mustn't play with fire. 二、重点句型解析 1. Don't be late for school. Arrive on time. 解析：Don't + 动词原形 构成祈使句的否定形式，意为 “不要做某事”；be late for 表示 “迟到”；on time 意为 “准时”。 例句：Don't be late for the meeting. Please arrive on time. 2. You mustn't bring our mobile phones to class. 解析：mustn't 表示 “禁止、不准”，语气比 can't 更强；bring...to... 意为 “把…… 带到……”。 例句：You mustn't litter in the school. 3. Be polite and treat everyone with respect. 解析：Be + 形容词 构成祈使句，意为 “要……”；treat...with respect 表示 “尊重地对待……”。 例句：Be friendly to your classmates. 4. Keeping the rules is good for us! 解析：Keeping the rules 是动名词短语作主语，谓语动词用单数；be good for 表示 “对…… 有好处”。 例句：Reading English every morning is good for our pronunciation. 三、知识点挖空练习 （一）单词与短语填空 1. Don't be late ______ school. Arrive on time. 2. Don't run ______ the hallways. 3. We have to turn ______ our phones and keep them in our lockers. 4. Can Mary run in the hallway? No, she ______. She has to walk. 5. We can't eat snacks ______ class, but we can drink water. 6. You mustn't bring your mobile phones ______ class. 7. Be polite and treat everyone ______ respect. 8. Keeping the rules is good ______ us. 9. What do you have ______ do after school? 10. We must keep our school clean and ______ (tidy). （二）句型转换填空 1. We can eat in the dining hall.（改为否定句）We ______ eat in the dining hall. 2. We have to wear the school uniform.（对划线部分提问）______ do you have to ______? 3. We mustn't litter.（改为同义句）______ litter. 4. Can we use our phones in class?（作否定回答）No, ______ ______. 5. He has to get up early.（改为一般疑问句）______ he ______ to get up early? 四、配套综合练习 （一）单项选择 1. Don't run ______ the hallways. A. on B. in C. at D. for 2. We have to ______ our phones in class. A. turn on B. turn off C. turn up D. turn down 3. Can we eat snacks in class? No, we ______. A. can B. can't C. must D. mustn't 4. You mustn't ______ your mobile phones to class. A. bring B. take C. get D. carry 5. Keeping the rules is good ______ us. A. for B. to C. at D. with （二）根据课文内容回答问题 1. What can't Tom do in class? 2. What do they have to do with their mobile phones? 3. Why is the day special for Tom? 五、参考答案 （一）单词与短语填空 1. for 2. in 3. off 4. can't 5. in 6. to 7. with 8. for 9. to 10. tidy （二）句型转换填空 1. can't 2. What; do 3. Don't 4. you can't 5. Does; have （三）单项选择 1. B 2. B 3. B 4. A 5. A （四）根据课文内容回答问题 1. He can't eat snacks in class. 2. They have to turn them off and keep them in their lockers. 3. Because it's his first day at this school. 1 学科网（北京）股份有限公司 $