Unit 2 Stay Healthy学案 2025-2026学年人教版八年级英语下册

Unit 2 Stay Healthy 第一课时 Section A 学习目标 (1) 能认读并运用“健康、疾病、日常保健”相关核心词汇（healthy, fit, exercise, eat, sleep, rest, illness, headache, fever, cough, take exercise, keep healthy, have a headache等），掌握动词及短语的基本用法和固定搭配。 (2) 能熟练运用一般现在时、一般过去时描述健康生活习惯和生病经历，掌握核心句型（I often take exercise to stay healthy. / I had a headache yesterday. / What’s wrong with you? / You should have a rest.）。 (3) 能听懂关于健康状况、日常保健的简短对话和听力材料，准确提取健康问题、保健方式等信息，用核心句型回应他人的健康询问并给出简单建议。 教学重难点 重点：掌握健康类核心词汇及固定搭配（take exercise, keep healthy, have a headache/fever/cough, have a rest）；运用一般现在时、一般过去时描述健康习惯与生病经历，牢记健康询问及简单建议的常用表达。 难点：正确区分healthy（形容词）与health（名词）、fit与healthy的用法差异；灵活运用时态，准确描述日常保健行为与过往生病经历，避免时态混淆；掌握have表示“患病”的固定搭配及句型拓展。 一、预习导入（ABC） 根据汉语提示，写出对应的英文短语/句子，尝试朗读并注意词性和句型结构 (1) 健康的 __________ (2) 锻炼；运动 __________ (3) 头痛 __________ (4) 发烧 __________ (5) 休息 __________ (6) 保持健康 __________ (7) 做运动 __________ (8) 我经常做运动来保持健康。 __________ (9) 昨天我头痛了。 __________ (10) 你应该好好休息一下。 __________ 二、课堂导学 (1) Finish 1a：匹配健康状况、保健行为的图片与对应的英文表达，圈出核心词汇，标注healthy与health、fit与healthy的用法差异及搭配。 (2) Listen to 1b：听录音，勾选听到的健康问题和保健方式，核对答案后跟读录音，注意时态的发音和语调。 (3) Pair work 1c：结合1a内容，用句型—What do you often do to stay healthy? —I often take exercise. / —What’s wrong with you? —I had a headache yesterday. / —You should have a rest.结对对话，每组创编3组新对话。 (4) Pronunciation practice：重点练习exercise, healthy, headache, fever等词的重音位置，体会不同时态描述健康相关场景时的语气差异。 (5) Listen to 2a&2b：听录音，完成关于“健康问题、保健建议”的信息填空，梳理对话中的时态用法和核心句型，小组内核对并分享答案。 (6) Role-play 2c：模仿2a&2b对话，结合生病、保健场景，替换词汇创编角色对话，上台展示（如：发烧、咳嗽、建议多喝水等）。 三、课堂练习（ABC）单项选择 ( )1. —What do you often do ______ stay healthy? —I often take exercise every morning. A. to B. for C. with ( )2. He ______ a fever last night. He didn’t go to school today. A. have B. had C. will have ( )3. We should take more exercise to keep ______ and fit. A. health B. healthy C. healthily ( )4. —What’s wrong with you? —I have a ______. I can’t stop coughing. A. headache B. fever C. cough ( )5. My mother often tells me ______ more rest when I am tired. A. have B. to have C. having 四、小结反思（AB）核心词汇与句型运用 用所给单词的适当形式填空，体会时态及核心词汇的用法 It’s important to keep healthy. I often do ______ (exercise) after school to stay fit. My ______ (healthy) is very good because I have a good habit. Yesterday, my brother ______ (have) a headache. He ______ (not take) exercise and went to bed early. I told him that he ______ (should) drink more water. I think taking exercise ______ (be) a good way to keep healthy. 五、课后练习（A）六选五 根据短文内容，从方框中选择合适的选项补全短文，有一项多余 Keeping healthy is important for everyone. If we are healthy, we can study and work better.1 ______ Here are some simple ways to help you keep healthy. First, take enough exercise every day. 2 ______ It can make our bodies strong and energetic. Second, eat a healthy diet. 3 ______ We should eat more fruit and vegetables and less junk food. Third, have enough sleep.4______ Getting enough sleep can help us relax and study better. Finally, keep a happy mood.5 ______ Don’t worry too much about small things. A. For example, we can run, swim or play ball games. B. Junk food is bad for our health. C. Without good health, we can’t do anything well. D. We should go to bed early and get up early. E. A happy mood can help us stay away from illness. F. We need to drink a lot of water every day. 第二课时 Section B 学习目标 (1) 能认读并运用拓展词汇（diet, balanced, nutrition, relax, stress, prevent, medicine, see a doctor, junk food, keep away from等），掌握健康饮食、疾病预防相关短语表达。 (2) 能熟练运用情态动词（should, shouldn’t）表建议，谈论健康饮食和疾病预防，以及不定式作目的状语，表达保健的目的；巩固宾语从句的运用，表达对健康生活的看法。 (3) 能阅读关于健康生活方式、疾病预防的短文，提取核心信息（保健方法、饮食建议、预防措施），提升阅读能力，学会养成健康的生活习惯，树立正确的健康观念。 教学重难点 重点：掌握健康饮食、疾病预防类拓展短语；运用情态动词should/shouldn’t提出健康建议，结合不定式作目的状语表达保健目的；牢记keep a balanced diet, stay away from junk food, take medicine, see a doctor等固定搭配。 难点：正确运用不定式作目的状语（to do），区分其与不定式作宾语的用法差异；结合语境，用情态动词建议句型和不定式，完整表达健康建议和保健目的；准确区分stress（名词/动词）与relax（动词）的用法，避免语境误用。 一、预习导入（ABC） 根据汉语提示，写出对应的英文短语，尝试用短语造简单句子（结合建议句型或不定式作目的状语） (1) 饮食 __________ (2) 均衡的 __________ (3) 压力 __________ (4) 药物 __________ (5) 看医生 __________ (6) 远离 __________ (7) 垃圾食品 __________ (8) 我们应该保持均衡饮食。 __________ (9) 我们不应该吃太多垃圾食品。 __________ (10) 他去看医生是为了预防疾病。 __________ 二、课堂导学 (1) Work on 1a：将所给健康饮食、疾病预防相关词汇（diet, balanced, junk food等）与对应的内容匹配，小组讨论补充更多相关词汇，说说stress与relax的用法差异及语境运用。 (2) Talk in 1b：用句型—We should/shouldn’t... to keep healthy. / —We can eat more fruit to... / —I think that keeping a balanced diet is...谈论健康饮食和疾病预防，提出合理建议，同桌互评表达是否准确、句型运用是否正确。 (3) Read 1c-2b：阅读短文（健康生活方式分享），圈出文中的重点短语和核心句型，回答问题：①What healthy habits does the writer have? ②What advice does the writer give about diet? ③How can we prevent illness? (4) Finish 2c&2d：根据短文内容，完成信息填空和句子改写，梳理情态动词should/shouldn’t表建议、不定式作目的状语的用法，结合例句总结两种语法结构的运用规则。 (5) Language points：讲解不定式作目的状语（to do）的用法、keep a balanced diet / stay away from junk food / take medicine 的固定搭配，结合例句完成句型转换练习，巩固语法知识点。 (6) Group discussion：4人一组，讨论“What healthy habits should we develop in our daily life? How can they help us stay healthy?”，结合所学知识分享习惯和意义，每组推选代表发言。 三、课堂练习（ABC）单项选择 ( )1. We ______ keep a balanced diet. It’s good for our health. A. should B. shouldn’t C. needn’t ( )2. She eats less junk food ______ stay away from illness. A. in B. to C. for ( )3. If you have a serious illness, you should ______ a doctor at once. A. see B. look C. watch ( )4. Too much ______ is bad for your health. You should learn to relax. A. relax B. relaxed C. stress ( )5. —What should we do to keep healthy? —We shouldn’t ______ too late. A. go to bed B. get up C. stay up 四、小结反思（AB） (1).情态动词与不定式（用should/shouldn’t或括号内单词的适当形式填空） 1.We ______ (eat) more vegetables to keep a balanced diet. 2.He drinks a lot of water ______ (prevent) illness. 3.They ______ (not eat) junk food because it’s bad for health. (2).短语与句型运用（用括号内短语的适当形式填空） 1.My parents often tell me to ______ (stay away from) junk food. 2.If you are ill, you should ______ (take medicine) on time. 3.It’s important for us to ______ (keep a balanced diet) every day. 五、课后练习（A）任务型阅读 阅读下面短文，根据短文内容回答问题 Everyone wants to stay healthy, but not everyone knows how to keep healthy. In fact, keeping healthy is not difficult if we develop good habits. Here are some useful suggestions for you. First, keep a balanced diet. We should eat more fruit and vegetables, which are full of nutrition. We shouldn’t eat too much junk food or drink too many soft drinks, because they can make us fat and ill. Second, take enough exercise every day. Running, swimming and playing sports are all good ways to make our bodies strong. Third, have enough sleep. We should go to bed before 10 o’clock and get up early, so that we can have enough energy for study and work. Finally, keep a happy mood. Don’t worry too much about study or life. When we feel stressed, we can listen to music or talk to our friends to relax. Following these suggestions, we can stay healthy and enjoy our life. (1) What does everyone want to do according to the passage? (2) What should we eat more to keep a balanced diet? (3) Why shouldn’t we eat too much junk food? (4) What can we do to make our bodies strong? (5) What can we do when we feel stressed? 参考答案 第一课时 Section A 一、预习导入（ABC） (1) healthy (2) exercise (3) have a headache (4) have a fever (5) rest/have a rest (6) keep healthy (7) take exercise (8) I often take exercise to keep healthy. (9) I had a headache yesterday. (10) You should have a good rest. 三、课堂练习（ABC）单项选择 1. A 2. B 3. B 4. C 5. B 四、小结反思（AB） exercise; health; had; didn’t take; should; is 五、课后练习（A）六选五 1. C 2. A 3. F 4. D 5. E 第二课时 Section B 一、预习导入（ABC） (1) diet (2) balanced (3) stress (4) medicine (5) see a doctor (6) stay away from (7) junk food (8) We should keep a balanced diet. (9) We shouldn’t eat too much junk food. (10) He went to see a doctor to prevent illness. 三、课堂练习（ABC）单项选择 1. A 2. B 3. A 4. C 5. C 四、小结反思（AB） (1).情态动词与不定式 1.should eat 2.to prevent 3.shouldn’t eat (2).短语与句型运用 1.stay away from 2.take medicine 3.keep a balanced diet 五、课后练习（A）任务型阅读 (1) Everyone wants to stay healthy. (2) We should eat more fruit and vegetables. (3) Because it can make us fat and ill. (4) We can take enough exercise, such as running, swimming and playing sports. (5) We can listen to music or talk to our friends to relax. 学科网（北京）股份有限公司 $