Unit 7 Ways to be healthy 单元知识清单 冀教版英语七年级下册

Unit 7 Ways to be healthy 单元知识点梳理
一、重点单词
1. health /helθ/ n. 健康（形容词：healthy 健康的；副词：healthily 健康地；短语：good health 身体健康）
2. healthy / helθi/ adj. 健康的（比较级：healthier；最高级：healthiest；短语：keep healthy 保持健康）
3. exercise / eks sa z/ v. 锻炼；运动 n. 锻炼；练习（短语：do exercise 做运动；eye exercises 眼保健操）
4. sleep /sli p/ v.&n. 睡觉（过去式/过去分词：slept；短语：get enough sleep 获得充足睡眠）
5. diet / da t/ n. 饮食；节食（短语：a balanced diet 均衡饮食；go on a diet 节食）
6. junk /d k/ n. 垃圾（短语：junk food 垃圾食品）
7. fruit /fru t/ n. 水果（不可数/可数；短语：eat more fruit 多吃水果）
8. vegetable / ved t bl/ n. 蔬菜（复数：vegetables；短语：fresh vegetables 新鲜蔬菜）
9. habit / h b t/ n. 习惯（短语：good habit 好习惯；develop a habit 养成习惯）
10. tired / ta d/ adj. 疲倦的；累的（短语：feel tired 感到疲倦；be tired of 厌倦）
11. sick /s k/ adj. 生病的；恶心的（短语：feel sick 感到恶心；sick leave 病假）
12. doctor / d kt (r)/ n. 医生（短语：see a doctor 看医生）
13. medicine / medsn/ n. 药（短语：take medicine 吃药；traditional Chinese medicine 中药）
14. temperature / tempr t (r)/ n. 温度；体温（短语：take one's temperature 量体温）
15. rest /rest/ v.&n. 休息（短语：take a rest 休息一下；rest well 休息好）
16. smoke /sm k/ v. 吸烟；冒烟 n. 烟；吸烟（短语：give up smoking 戒烟）
17. instead / n sted/ adv. 代替；反而（短语：instead of 代替；而不是）
18. necessary / nes s ri/ adj. 必要的；必须的（短语：it's necessary to do sth. 做某事是必要的）
19. enough / n f/ adj.&adv. 足够的；足够地 n. 足够（短语：enough time 足够的时间；good enough 足够好）
20. strong /str / adj. 强壮的；坚固的（反义词：weak 虚弱的；短语：stay strong 保持强壮）
21. weak /wi k/ adj. 虚弱的；无力的（短语：feel weak 感到虚弱）
22. balanced / b l nst/ adj. 均衡的；平衡的（短语：a balanced diet 均衡饮食）
23. stay /ste / v. 停留；保持（短语：stay healthy 保持健康；stay up late 熬夜）
24. fever / fi v (r)/ n. 发烧（短语：have a fever 发烧）
25. stomachache / st m ke k/ n. 胃痛；腹痛（短语：have a stomachache 胃痛）
26. headache / hede k/ n. 头痛（短语：have a headache 头痛）
27. toothache / tu θe k/ n. 牙痛（短语：have a toothache 牙痛）
28. regular / reɡj l (r)/ adj. 有规律的；定期的（短语：regular exercise 规律运动）
29. harmful / hɑ mfl/ adj. 有害的（短语：be harmful to 对……有害）
30. fresh /fre / adj. 新鲜的；清新的（短语：fresh air 新鲜空气；fresh fruit 新鲜水果）
二、重点短语
1. keep healthy/fit 保持健康
2. do regular exercise 做规律运动
3. get enough sleep 获得充足睡眠
4. eat a balanced diet 均衡饮食
5. junk food 垃圾食品
6. stay up late 熬夜
7. take medicine 吃药
8. have a fever 发烧
9. have a stomachache 胃痛
10. see a doctor 看医生
11. drink plenty of water 喝大量水
12. give up smoking 戒烟
13. instead of 代替；而不是
14. be good for 对……有益
15. be bad/harmful for 对……有害
16. feel tired/sick 感到疲倦/生病
17. take one's temperature 量体温
18. take a rest 休息一下
19. eat more fruit and vegetables 多吃水果和蔬菜
20. develop good habits 养成好习惯
21. stay away from junk food 远离垃圾食品
22. have a cold 感冒
23. brush teeth twice a day 一天刷两次牙
24. do eye exercises 做眼保健操
25. go to bed early 早睡
26. wake up early 早起
27. keep the air fresh 保持空气清新
28. wash hands often 经常洗手
29. have a toothache 牙痛
30. keep clean 保持干净
三、重点句型
1. —What's wrong with you —I have a bad stomachache.
（—你怎么了？—我胃痛得很厉害。）
2. You should eat less junk food and do more exercise to keep healthy.
（你应该少吃垃圾食品，多做运动来保持健康。）
3. It's necessary to get at least eight hours of sleep every night.
（每晚至少睡八个小时是很有必要的。）
4. Eating more vegetables and fruit is good for your health.
（多吃蔬菜和水果对你的健康有益。）
5. Don't stay up late, or you will feel tired in class the next day.
（不要熬夜，否则第二天你在课堂上会感到疲倦。）
6. If you have a fever, you should take your temperature and see a doctor at once.
（如果你发烧了，你应该量体温并马上去看医生。）
7. How can we keep healthy We need to develop good living habits.
（我们怎样才能保持健康？我们需要养成良好的生活习惯。）
8. I used to eat a lot of candy, but now I eat a balanced diet every day.
（我过去常吃很多糖果，但现在我每天都均衡饮食。）
9. Smoking is harmful to your lungs, so you must give it up.
（吸烟对你的肺有害，所以你必须戒烟。）
10. You should drink plenty of water and take a good rest when you have a cold.
（当你感冒时，你应该多喝水，好好休息。）
四、重点词汇辨析
1. health & healthy & healthily
词汇 含义与用法 例句
health 名词，指“健康（状态）”，可作主语、宾语 Good health is the most important thing in our life.（健康是我们生活中最重要的东西。）
healthy 形容词，指“健康的”，修饰名词或作表语 We should eat healthy food to stay strong.（我们应该吃健康的食物来保持强壮。）
healthily 副词，指“健康地”，修饰动词 If you want to keep fit, you need to eat healthily.（如果你想保持健康，你需要健康饮食。）
2. exercise & exercises
词汇 含义与用法 例句
exercise 不可数名词：“锻炼、运动”；动词：“锻炼、运动” Doing exercise every day helps us stay healthy.（每天做运动帮助我们保持健康。） He exercises for an hour every morning.（他每天早上锻炼一小时。）
exercises 可数名词：“具体的练习、体操” We do eye exercises twice a day to protect our eyes.（我们每天做两次眼保健操来保护眼睛。）
3. should & ought to
词汇 含义与用法 例句
should 情态动词，表“建议、应该”，语气委婉，常用于口语 You should drink more water when you have a cold.（你感冒时应该多喝水。）
ought to 情态动词，表“应该”，语气正式，强调责任或义务 We ought to respect our parents and help them with housework.（我们应该尊重父母，帮他们做家务。）
4. be good for & be bad for
词汇 含义与用法 例句
be good for 表示“对……有益”，主语多为事物 Eating more carrots is good for your eyes.（多吃胡萝卜对你的眼睛有益。）
be bad for 表示“对……有害”，主语多为事物 Eating too much sugar is bad for your teeth.（吃太多糖对你的牙齿有害。）
五、重点语法
1. 情态动词should/shouldn't表建议
核心用法：should表积极建议（“应该”），shouldn't表否定建议（“不应该”），后接动词原形，常用于健康类建议表达。
句式强化：
① 肯定建议：主语 + should + 动词原形 + 其他
例：You should brush your teeth twice a day.（你应该一天刷两次牙。）
② 否定建议：主语 + shouldn't + 动词原形 + 其他
例：You shouldn't eat too much spicy food.（不要吃太多辛辣食物。）
③ 疑问句：Should + 主语 + 动词原形 + 其他？
例：Should I see a doctor if I have a headache for three days （如果我头痛三天了，应该去看医生吗？）
2. 祈使句表建议
核心用法：省略主语you，直接用动词原形开头，给出简洁直接的健康建议；否定祈使句加Don't。
句式强化：
① 肯定祈使句：动词原形 + 其他
例：Drink plenty of water every day.（每天喝大量水。）
② 否定祈使句：Don't + 动词原形 + 其他
例：Don't stay up late on school nights.（上学日晚上不要熬夜。）
3. 动名词作主语
核心用法：健康相关的行为、习惯作主语时，用动名词（动词+ing）形式，谓语动词用单数。
句式强化：
例：Eating a balanced diet is important for our health.（均衡饮食对我们的健康很重要。）
例：Smoking is harmful to both smokers and people around them.（吸烟对吸烟者和周围的人都有害。）
4. used to表过去习惯
核心用法：used to + 动词原形，表过去常常做某事（现在不做了），用于对比过去与现在的生活习惯。
句式强化：
例：I used to eat a lot of junk food, but now I eat more fruit.（我过去常吃垃圾食品，但现在多吃水果。）
例：Did you use to stay up late when you were in Grade 6 （你六年级时常常熬夜吗？）
六、写作指导（关于健康生活方式的短文）
1. 写作结构
部分 内容要点 常用表达
开头 点明健康的重要性，引出“如何保持健康”的主题 Health is the most valuable treasure for everyone. It's important to keep healthy, but how can we achieve that Here are some useful suggestions.
主体 从饮食、运动、睡眠、生活习惯等方面分点给出具体建议，可加入过去与现在的习惯对比 First, we need a balanced diet: eat more fruit and vegetables, and stay away from junk food. Second, do regular exercise like running or playing basketball for 30 minutes daily. Third, get enough sleep—go to bed before 10 PM and wake up early. Also, develop good habits: wash hands often, brush teeth twice a day, and never smoke.
结尾 总结建议，呼吁养成健康习惯，升华主题 In a word, if we follow these rules, we will be healthier and happier. Let's start from now to live a healthy life!
2. 范文示例
How to Keep Healthy
Health is the foundation of a happy life. Without good health, we can't study or work well. So it's necessary to learn how to keep healthy.
First, we should have a balanced diet. We need to eat more fresh fruit and vegetables, which are rich in vitamins. We shouldn't eat too much junk food like hamburgers or French fries, because they are high in fat and bad for our body. Also, we should drink plenty of water every day instead of cola or coffee.
Second, regular exercise is very important. We can run in the morning, play basketball after school, or swim on weekends. Exercise makes us strong and helps us stay away from illness. I used to be weak and often got sick, but now I run for 30 minutes every day, and I feel much healthier.
Third, we must get enough sleep. We should go to bed early and wake up early. Staying up late will make us feel tired and sleepy the next day, and it's harmful to our eyes and brain.
Finally, we should develop good living habits. We should brush our teeth twice a day, wash our hands before meals, and keep our rooms clean. We must give up smoking and drinking, because they are bad for our lungs and liver.
In conclusion, if we follow these suggestions, we can keep healthy and live a happy life. Let's take action now!