Unit 3 同步练习 2026-2027学年沪外教版英语七年级上册

沪外教版英语七上Unit3健康生活同步练习（含答案） 2026—2027学年 · 上海外语教育出版社《义务教育教科书·英语》七年级上册 · Unit 3 Be healthy, be happy 单元同步练习（含参考答案） 本练习围绕第三单元的健康生活话题编排，按词汇、语法、阅读和写作四个层次递进，when 与 because 引导的从句、un- 前缀以及本单元词表里的重点词都在题里做了反复运用，不分值，答案另页附后，课堂上可以整卷使用，也可以按层次拆开当堂检测。 一、单词拼写 根据句意和首字母提示写出单词，使句子意思完整、正确。 1. I need more e______ to finish the race, so I eat some bananas before it. 2. Grandpa is still very a______ at the age of seventy. He walks a lot every day. 3. Eating vegetables is a good h______. We should keep it all our life. 4. Milk is good for our h______. Many children drink it every morning. 5. He r______ eats junk food, because he knows it is bad for him. 6. You should make a good c______ when you buy food in the supermarket. 7. I have a bad c______ today. My mother asks me to see a doctor. 8. The boy has a high f______, so he stays in bed and has a rest. 9. A good d______ gives us the nutrition we need. Balance is important. 10. Doing e______ every day keeps us strong and helps us study better. 二、前缀 un- 的运用 un- 加在形容词前表示相反的意思。写出下列单词的否定形式。 1. healthy ______ 2. happy ______ 3. kind ______ 4. lucky ______ 5. usual ______ 三、单项选择 从 A、B、C 三个选项中选出最佳答案。 1. I feel very happy ______ I play with my friends after school. A. because B. when C. where 2. She walks to school ______ it is good exercise. A. because B. when C. though 3. We should drink enough water ______ we do sports. A. because B. when C. if 4. The fresh fruit tastes ______, and it gives us energy. A. bad B. well C. good 5. Junk food is ______, so we should not eat too much of it. A. unhealthy B. active C. strong 6. Don’t eat too much sweet food, ______ it is bad for your teeth. A. when B. but C. because 7. I go swimming ______ a week, usually on Sunday morning. A. once B. one C. first 8. When I feel ______, I listen to music or talk to my friends. A. healthy B. lonely C. active 9. You’d better ______ to bed early and get enough sleep. A. go B. going C. goes 10. ______ I cycle in the park, I feel free like a bird. A. Because B. Before C. When 四、用 when 或 because 填空 阅读下面短文，用 when 或 because 补全内容，使短文意思通顺。 Lucy has a healthy lifestyle. She feels energetic 1.______ she does morning exercise every day. 2.______ she is tired, she drinks some water and takes a short break. She doesn’t stay up late 3.______ she knows sleep is important. 4.______ she feels sad, she talks to her mother about her problems. She studies hard 5.______ she wants to be a doctor. She feels happy 6.______ she helps others. 五、完形填空 通读下面短文，从 A、B、C 三个选项中选出最佳答案。 David used to have many bad 1.______. He ate lots of junk food and 2.______ exercised. He often played computer games 3.______ midnight. He always felt tired in class. One day, his teacher told him that a healthy 4.______ could give him energy and keep him active. David decided to make a 5.______. Now he eats more fruit and vegetables. He goes to bed early and gets enough 6.______. Every morning, he feels full of 7.______. His friends say he looks 8.______ and happier. 1. A. habits B. problems C. choices 2. A. always B. rarely C. often 3. A. on B. at C. in 4. A. diet B. school C. game 5. A. choice B. mistake C. noise 6. A. money B. sleep C. water 7. A. time B. fun C. energy 8. A. lazy B. angry C. healthy 六、阅读理解 A) 阅读下面短文，从 A、B、C 三个选项中选出最佳答案。 Billy is a middle school student. In the past, he stayed up late playing computer games. He ate a lot of chips and drank cola. He rarely did sports, so he often caught a cold. His mother was worried about him. She took him to see a doctor. The doctor said, “You’d better eat more fruit and vegetables, and do exercise every day.” Billy listened to the doctor. Now he goes to bed before ten o’clock and gets up early. He walks to school and plays basketball after class. He feels strong and happy. “A healthy body is the best gift,” Billy says. 1. What did Billy do in the past? A. He did sports every day. B. He stayed up late playing computer games. C. He ate more fruit. 2. Why did Billy often catch a cold? A. Because he rarely did sports. B. Because he drank too much water. C. Because he slept too much. 3. Who took Billy to see a doctor? A. His father. B. His teacher. C. His mother. 4. What does Billy do now? A. He walks to school. B. He drinks cola. C. He stays up late. 5. What can we learn from the passage? A. Computer games are good for us. B. We don’t need to sleep. C. A healthy body is the best gift. B) 阅读下面短文，判断下列句子正误，正确的写 T，错误的写 F。 Last Sunday, Xiao Hua had a sore throat and a runny nose. His mother took him to the hospital. The doctor asked him, “When did you feel bad?” Xiao Hua said, “After I ate some ice cream yesterday.” The doctor told him that eating too much cold food was bad for his health. He advised Xiao Hua to drink warm water and have a good rest. He also said, “Wash your hands often, because it can protect you from diseases.” Now Xiao Hua takes the doctor’s advice and he is much better. 1. Xiao Hua had a sore throat and a runny nose. ( ) 2. Xiao Hua’s father took him to the hospital. ( ) 3. Xiao Hua ate some ice cream before he felt bad. ( ) 4. The doctor advised Xiao Hua to eat more ice cream. ( ) 5. Washing hands often can protect us from diseases. ( ) 七、书面表达 根据下面提示，写一篇关于 My Healthy Life 的短文，介绍你自己健康的生活方式。 提示词：get up early、walk to school、eat fruit and vegetables、do exercise、go to bed early 要求：条理清楚，意思连贯，词数 60 左右。 参考答案 一、单词拼写：1. energy 2. active 3. habit 4. health 5. rarely 6. choice 7. cough 8. fever 9. diet 10. exercise 二、前缀 un-：1. unhealthy 2. unhappy 3. unkind 4. unlucky 5. unusual 三、单项选择：1. B 2. A 3. B 4. C 5. A 6. C 7. A 8. B 9. A 10. C 四、用 when 或 because 填空：1. because 2. When 3. because 4. When 5. because 6. when 五、完形填空：1. A 2. B 3. B 4. A 5. A 6. B 7. C 8. C 六、阅读理解：A) 1. B 2. A 3. C 4. A 5. C；B) 1. T 2. F 3. T 4. F 5. T 七、书面表达（参考范文） I live a healthy life. I get up early every morning and walk to school. I eat fruit and vegetables every day because they are good for my health. After school, I do exercise with my friends. When I feel tired, I listen to music to relax. I go to bed before ten o’clock and get enough sleep. I feel happy and active every day. 讲评时建议把第三、四题放在一起处理，先让学生说出 when 和 because 各自表示时间还是原因，再对照课文原句；完形第 2、3 空（rarely 与 at midnight）与阅读 A 第 2 题是学生容易想当然的地方。书面表达按提示词是否用全、是否出现了 when 或 because 从句来评价。 学科网（北京）股份有限公司 $