Unit 2 Stay Healthy - Grammar Focus同步练习2025-2026学年人教版英语八年级下册

Unit 2 Stay Healthy — Section A Grammar Focus Ⅰ. 单项选择（共15小题，每小题1分，共15分） 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 1. —I’ve got a toothache, Mum. —Oh, you ______ eat too many sweets. It’s bad for your teeth. A. shouldn’t B. needn’t C. should D. need 2. To live a healthier life, we ______ not only study hard but also do regular exercise to keep strong. A. mustn’t B. may C. needn’t D. should 3. —The movie is really boring. ______ we go for a walk in the park instead? —Good idea! Fresh air will make us feel better. A. Could B. Must C. Might D. Should 4. —______ I take this seat by the window, madam? —Sorry, I’m afraid you ______. It’s reserved for an elderly passenger. A. Can; couldn’t B. Could; couldn’t C. Could; can’t D. Could; can 5. David ______ a bad stomachache after eating cold food. He ______ lie down and rest at once instead of working. A. has; shouldn’t B. have; should C. have; shouldn’t D. has; should 6. —I feel dizzy and tired these days. —You ______ stay up late anymore. You need at least 8 hours’ sleep every night. A. must B. mustn’t C. should D. can 7. —______ we wear masks in crowded places now? —No, you don’t have to, but it’s still a good habit to protect yourself. A. Must B. Can C. May D. Should 8. You ______ touch the broken glass with your bare hands. It’s sharp and may cut your fingers. A. must B. mustn’t C. should D. can 9. —I forgot to take my umbrella. It’s raining heavily outside. —Don’t worry. You ______ borrow mine. I don’t need it right now. A. can B. must C. should D. need 10. —______ I help you carry the heavy box, Grandma? —That’s very kind of you, dear. I really need a hand. A. Must B. Can C. Should D. Need 11. Teenagers ______ spend too much time on mobile phones. It’s bad for their eyes and study. A. should B. shouldn’t C. must D. can 12. You ______ finish the homework today. The deadline is tomorrow morning, so you can do it after dinner. A. mustn’t B. needn’t C. can’t D. shouldn’t 13. —I have a fever and a sore throat. What should I do? —You ______ go to see a doctor and take some medicine on time. A. can B. may C. should D. must 14. —______ I use your dictionary for a while? I need to look up a new word. —Sure, go ahead. But please return it to me before class. A. Must B. Should C. May D. Need 15. We ______ wash our hands frequently to prevent the spread of viruses, especially before meals. A. should B. shouldn’t C. mustn’t D. can Ⅱ. 用括号中所给单词的适当形式填空（共10小题，每小题1分，共10分） 1. Lily has a runny nose and a cough, so she decides to go to the hospital by ______ (she) after school. 2. When Jimmy has a high fever, his mother always takes ______ (he) temperature first before giving him medicine. 3. Jenny cut ______ (she) left hand with a knife yesterday, and she put some medicine and a bandage on the cut at once. 4. Mike thinks he should take good care of ______ (him) by eating healthy food and doing exercise every day. 5. Although Leo and Tom’s parents aren’t at home on weekends, the two boys can still look after ______ (they) well. 6. You should learn to solve problems by ______ (you) instead of asking others for help all the time. 7. The little girl can dress ______ (she) without her mother’s help now. She’s growing up fast. 8. We should respect ______ (we) teachers and listen to them carefully in class. 9. The doctor told the patient to take care of ______ (him) during the recovery period and avoid heavy work. 10. If you are in trouble, you can ask ______ (you) classmates for help. They are always willing to lend a hand. Ⅲ. 完形填空（共10小题，每小题1分，共10分） 阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 湘味健康餐（改编自CHINADAILY.COM.CN） Hunan is known for its spicy hot food. As part of a national weight management campaign (全民体重管理运动), 108 local hospitals now offer healthy Hunan-style meals 11_________ people eat less oil and salt. These meals are popular with many people who want to keep fit. Dr Cai, from Hunan People’s Hospital, said, “People 12__________ eat more than 5 grams of salt a day. They should consume (摄入) 25–30 grams of oil each day. This 13__________ help control weight and keep blood pressure healthy.” The meals have clear labels with calories and nutrients (卡路里和营养成分) on them, so people can know exactly what they are eating. Ms Wu enjoys the hospital’s beef menu item, which comes with beef spaghetti, cherry tomatoes and other vegetables. “It’s tasty and fresh. I had the whole meal by 14________ yesterday,” she said. Wu described 15_________ as a little overweight and added that she wants “a healthy way to lose weight”. Many people love these meals. You could try them if you want to lose weight—after all, you 16_________ find such well-balanced choices before. Everyone 17________ learn to eat healthily, and these meals are great examples. They prove that tasty food can also be good for us, and by choosing them, we can keep 18_________ healthy. The campaign has helped many people change their eating habits and live a healthier life. 11. A. hear B. to hear C. helping D. to help 12. A. should B. shouldn’t C. will D. won’t 13. A. could B. couldn’t C. should D. shouldn’t 14. A. I B. me C. my D. myself 15. A. she B. herself C. he D. himself 16. A. could B. couldn’t C. must D. mustn’t 17. A. may B. may not C. should D. shouldn’t 18. A. they B. themselves C. we D. ourselves Ⅳ. 句型转换（共5小题，每小题2分，共10分） 按要求改写下列句子，每空一词。 1. You should eat more vegetables and fruit to keep healthy.（改为否定句） You ______ ______ more vegetables and fruit if you want to stay unhealthy. 2. I can help you with your English homework.（改为一般疑问句并作肯定回答） —______ ______ help me with my English homework? —Yes, ______ ______. 3. You mustn’t play football on the street. It’s dangerous.（改为同义句） You ______ ______ play football on the street. It’s dangerous. 4. She should go to see the dentist because she has a toothache.（对划线部分提问） ______ ______ she ______ to see the dentist? 5. They can look after themselves well when their parents are away.（改为同义句） They can ______ ______ ______ themselves well when their parents are away. Ⅴ. 补全对话（共5小题，每小题1分，共5分） 根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。 A: Hi, Linda! You look tired today. What’s the matter with you? B: Hi, Tom. 19___________ I stayed up late to finish my report last night. A: Oh, that’s too bad. Staying up late is bad for your health. 20___________ B: You’re right. I know I shouldn’t do that again. But I had to finish it before the deadline. A: Well, what do you usually do to relax after school? B: 21________________ I like listening to music and reading books. A: That’s a good habit. 22________________ You should do more outdoor activities, like walking or playing badminton. B: I know. I’ll try to do more exercise. Thanks for your advice. A: No problem. 23_________________________ A. You should get enough sleep every night. B. I have a headache and feel sleepy. C. I usually relax at home. D. But sitting too much is also bad for your body. E. You must go to see a doctor at once. F. I hope you can keep healthy and energetic every day. G. Do you often stay up late? Ⅵ. 书面表达（共10分） 假设你是李华，你的笔友Peter最近因为经常熬夜和吃垃圾食品而感到身体不适，请你给他写一封邮件，给他一些保持健康的建议。 要求： 1. 词数：80词左右（开头和结尾已给出，不计入总词数）； 2. 内容需包含：建议他早睡早起、健康饮食、多做运动等； 3. 语句通顺，意思连贯，书写规范。 Dear Peter, I’m sorry to hear that you’re not feeling well these days. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ I hope you will feel better soon. Yours, Li Hua 学科网（北京）股份有限公司 $