2020八年级英语上册 Unit 2 How often do you exercise讲义+习题 （新版）人教新目标版 8页

Unit2. How often do you exercise 课程新授 授课题目 ‎ Unit2. How often do you exercise? ‎ 学习 目标 1. 熟练掌握频度副词：‎ often，always，usually, sometimes, hardly ever, never，seldom ‎2.how often对频率的提问 ‎3.区分how引导的特殊疑问句 ‎4.频度副词与一般现在时态相结合 教学重难点 1. 频度副词的区分和正确使用 ‎2.how引导的特殊疑问句 教学过程 一、 温习（复习提问）‎ 1. 上节课易错知识点的提问 2. 作业题讲解。‎ 3. 重点单词检查默写 二、学习新课（自主探究学习）‎ ‎ 授 课 内 容 ‎1.ever → (反义词) never 2. read → (pt.) read ‎3. active →(v.)act → (n.) activity 4. health → (adj.) healthy → (反义词) unhealthy 6. keep → (pt.) kept → (pp.) kept 7. though → (同义词) although 8. how often 多久一次 知识点拓展 ‎ ‎1.how far提问距离。‎ 例句：It’s three miles from my home to school.‎ How far is it from your home to school? 2. read English books 看英语书 3. of course 当然 4. on weekends 在周末=on the weekend 5. go to the movies 去看电影=go to the cinema=watch movies 6. hardly ever 几乎不；不曾 7. every day 每天        once a day 每天一次 8.    twice a week 每周两次        three times a month 每月三次 9. use the Internet 上网 10. have dance and piano lessons 上舞蹈和钢琴课 11. play tennis 打网球 Play的有关用法 A.play +the +西方乐器 B.paly+球类运动（paly chess） 12. help的用法help with housework 帮忙做家务 A. help sb.(to ) do sth.‎ B.help sb.with sth. 13. at least 至少，不少于 ‎14. stay up late/go to bed early ‎ 8‎ ‎15.exercise做动词时，可作及物动词，也可作不及物动词。例如： She exercises two or three times a week. 她一周锻炼两三次。 She exercises the dog every day. 每天她都遛狗。 【拓展】exercise作名词时，意为“锻炼；运动”时是不可数名词，意为“体操；练习”时是可数名词。例如：I should eat less food and take more exercise. 我应该少吃饭，多锻炼。 We do morning exercise every morning. 我们每天早上都晨练。‎ ‎1. junk food 垃圾食品 (不可数) 2. drink milk 喝牛奶 3. three or /to four times a week 一周三到四次 4. eat fruit 吃水果 5. want 用法A.want( sb.) to do sth. 想要某人做某事 6. be good/bad for 对……有好处/坏处 7. go camping in the country 去乡下露营 8. play sports 做运动=do sports 9. one to three times a week 一周一至三次 10. such as 例如(与for example的区别) 11. fifteen percent of our students 我们百分之十五的学生 12. go to the dentist 去看牙医 13. more than 多于 14. less than 少于 ‎15.in one’s free time ‎ ‎16.not….at all 重点句子  It is healthy for the mind and the body. ‎ 重点句型 It is+adj. (for sb.) To do sth. 它对于大脑和身体是健康的。‎ ‎  the best way to do sth.意为“做某事最好的方法”，其中to do sth.是动词不定式作后置定语，也可表达为the best way of doing sth.例如： I have a good way to do with the problem. 我有一个处理这个问题的好方法。  by using the Internet or watching game shows，其中by作介词，表示“通过某种方式”。置于动名词前表示方法、手段、原因等。例如： By working hard he made great progress. 通过努力学习，他取得了很大的进步。 He earns his living by writing. 他靠写作为生。 I go to the movies maybe once a month. 我大概一个月去看一次电影。 Although many students like to watch sports, game shows are the most popular. 虽然许多同学喜欢看体育节目，但是娱乐节目是最受欢迎的。  maybe意为“大概，或许”，表示推测，通常用于句首，在句中作状语。例如： maybe she’s at home.或许她在家里。 although是连词，意为“虽然，尽管，即使”。例如： Although he is young, he knows a lot. 虽然他很年轻，但是他知道很多。 【注意】although=though,汉语中可以说“虽然……，但是……”，但英语中although/though与but不能同时出现在同一个句子中。‎ 8‎ 单元语法 频度副词有：always ; usually ; often ; sometimes ; seldom ； hardly ever ; never 等。‎ 表示频率的短语 ：‎ every day/week/month/year 每天/周/月/年 once a week 每周一次 ‎ twice a week 每周两次 twice a month 一月两次 three times a day 一天三次 2. how often 意为“多久一次”，用来提问在某一段时间内进行某个动作的频率。‎ 其回答通常是 often、sometimes、never、hardly ever、always、once a day、once a week等表示频率的副词或是短语。‎ ‎ 例: --- She hardly ever watches TV. （划线提问）‎ ‎ --- How often does she watch TV?‎ ‎ 例句理解：1. —What do you usually do on weekends? ‎ ‎ —I often go to the movies. ‎ ‎ 2. —How often do you shop？‎ ‎ —I shop once a week.‎ ‎ 3. — How often does she exercise?‎ ‎ —She exercises every day.‎ ‎3.在句中位置：频度副词在句中通常放在be动词、助动词、情态动词之后，在实义动词之前。‎ 例：She is often late for school.‎ I can never be sure.‎ He always helps me. ‎ 课堂练习 一．单选 ‎( ) 1. We had great fun _________ in the water. ‎ ‎ A. to play B. played C. playing D.play ‎( ) 2. —______ is “Lucky ‎52”‎ shown on CCTV-2? —Every week. A. How often B. How long C. How soon D. How many times ‎ ( ) 3. His mother wants him ___ at home today. A. stays B. stayed C. to stay D. staying ‎ ( ) 4. 1 think drinking milk is good ____ our health. A．for B. to C. with D. at ‎ ( ) 5. He must _____ his sister with her math. A. try help B. trying to help C. trys to help D. try to help ‎ ( ) 6. Eating fruit and vegetables can help you ______ more vitamins A. got B. getting C. to get D. gets ‎( ) 7. Life in the country is quite _______ that in the city. A. the same B. different from C. full of D.the same as ‎ ‎ ( ) 8. Is your pen _______ Jim’s? A.same as B.the same C.the same with D.the same as ‎ ( ) 9. We should keep our classroom ______. A. cleaned B. clean C. cleaning D. to clean ‎ ( ) 10. Although he is very old, ______he works very hard. A. and B. but C. / D. so ‎ ( ) 11. Helping others can make us ______ very happy. A. feeling B. to feel C. feel D. felt 8‎ ‎( ) 12. Mother often ______ me ______ my homework after supper. A. makes, doing B. lets, doing C. watched, to do D. makes, do ‎( ) 13. —__________________‎ ‎ —I argued with my best friend. ‎ A. How were you? B. What’s wrong? ‎ B. C. Can I help? D. Good morning?‎ ‎( ) 14. “ Could you please give me some advice?” “__________.”‎ A. That’s all right B. Yes, please C. It doesn’t matter D. Of course ‎( ) 15. Do you know the answer ______ the question?‎ A. of B. to C. on D. about 二．综合填空（15分）‎ ‎(A) 选词并用其适当形式填空.其中有多余选项，。（5分）‎ ‎ exercise two little die health dance enjoy ‎ ‎　　1.Doing sports is good for our _____. You’d better keep _____.‎ ‎　　2.We teenagers need at _____ eight hours’ sleep every night.‎ ‎　　3.We are ____to climb Mount‎ ‎Tai.‎ ‎4. His grandpa’s _____ made him sad.‎ 三．根据汉语提示完成句子（5分）‎ ‎1．______(百分之四十五) of students usually exercise on the playground.‎ ‎2．My brother has many balls，______(例如) basketballs and footballs.‎ ‎3．We have ____________(多于) forty classes every week.‎ ‎4．____________(多久一次) do you play sports?‎ ‎5．If we sleep ____________(不到；少于) six hours every night，we can feel tired in the day.‎ 四．完成句子（10分）‎ ‎1.我妹妹正在学习美术。‎ ‎ My sister _______________ art.‎ ‎2.我爷爷一周上两次网。‎ ‎ My grandfather __________________________a week.‎ ‎3.我妈妈经常问我的学习情况。‎ ‎ My mother often ___________________my study.‎ ‎4.你多久吃一次垃圾食品？‎ ‎ ______________________eat junk food?‎ ‎5.对我们来说学好英语很重要。‎ ‎_____________________________learn English well.‎ 五、知识盘点（教学小结）‎ 本单元的重点是频率的表达。包括一般疑问句，特殊疑问句，以及对应的答语。表示频率的词语：once, twice,three times, four times，once a week, four times two months...以及用how often 对频率进行提问。‎ Unit 2 How often do you exercise？ ‎ 一．单项选择（25分）‎ 1. ‎---The best way to make progress(取得进步) is ______ practice.‎ 8‎ ‎ ---I think so.‎ ‎ A. With B. Across C. In D. Through 1. ‎---Are all of your friends late for your birthday party?‎ ‎ ---No, ______ of them are late. They come to the party early.‎ ‎ A. Some B. Any C. None D. Few 2. The woman ______ leaves her house, because she can’t walk far.‎ ‎ A. Usually B. Ever C. Hardly D. Always 3. This book is ______ of pictures. It’s fit(适合) for children.‎ ‎ A. Different B. Real C. Popular D. Full 4. Don’t eat too much junk food. It’s bad for your ______.‎ ‎ A. Mouth B, mind C. Health D. Head 5. It’s raining hard now. ______, I still want to shopping with my friends.‎ ‎ A. So B. Because C. However D. Then 6. Mike got ninety-eight ______ and he did best in the math test.‎ ‎ A. Points B. Hours C. Minutes D. Money 7. It’s ______ 12 o’clock. Let’s go home to have lunch.‎ ‎ A. Still B. Almost C. Only D. Usually 8. ‎---Excuse me. Could you tell me the ______ of the football game last night?‎ ‎ ---Of course I can. We got the first place.‎ ‎ A. Result B. Difference C. Story D. Rule 9. I try to eat junk food only once a month ______ I love it.‎ ‎ A. So B. Although C. If D. But 10. ‎---What does your mother do?‎ ‎ ---She’s a(n) ______. She works in a hospital.‎ ‎ A. Actress B. Writer C. Teacher D. Dentist 11. David is interested in sports, ______ basketball, tennis and ping-pong.‎ ‎ A. Such as B. Because of C. All in all D. Lots of 12. Don’t worry. The little animals can’t ______ from the cold, because people look after them well in winter.‎ ‎ A. Die B. Stop C. Wake D. Blow 13. ‎---Why do you feel so tired today?‎ ‎ ---Oh, I slept ______ five hours last night.‎ ‎ A. Less than B. Many more C. More than D. Many less 14. My daughter plays the piano ______, usually on Monday and Wednesday.‎ ‎ A. Once a week B. Twice a week ‎ C. Once a month D. Twice month 15. Everyone needs to have ______ eight hours’ sleep at night. ‎ ‎ A. At least B. At last C. At all D. At home 16. ‎---_______ does she practice the guitar?‎ ‎ ---Every day.‎ ‎ A. How long B. How far C. How many D. How often 17. ‎---What does Nancy usually do after school?‎ ‎ ---______.‎ ‎ A. She has piano lesson on Monday ‎ B. Her favorite sport is swimming ‎ C. She usually goes swimming ‎ D. She thinks it’s interesting 18. ‎---_______?‎ ‎ ---Twice a week.‎ 8‎ ‎ A. How do you like the Internet ‎ B. How many times do you use the Internet a week ‎ C. What time do you use the Internet ‎ D. What do you usually do on the Internet ‎21．She is ______girl.She always gets good grades.‎ A．such a clever　　　 B．so a clever　　‎ C．such clever a　　　 D．so clever ‎ ‎22．______Mum asked me to close the door，______I forgot to do so.w ‎ A．Though；but B．Although；but C．But；/ D Although；‎ ‎ 23．Though he eats many vegetables to keep______，he is in bad______.‎ A．health；health B．healthy；healthy C．healthy；health D．health；healthy ‎24．Do you think the best way to relax is ______ exercise?‎ A．though　　 B．through　　‎ C．over　　 D．across ‎25．It's very cold today.Please keep the door______‎ A．close B．closed C．open D．opened 二．阅读理解 A ‎ Running is more popular these days. Many of us run for our health. Doctors say many health problems come from these bad habits: eating and drinking too much, smoking(吸烟) and not taking enough exercise. Doctors tell us, "Eat and drink less, don't smoke, and exercise more."‎ ‎ Running is a kind of exercise because it helps build a healthy body. It also helps most people become(变得) thin. One 68-year-old woman runs three times a week. "I love eating," she says. She runs to become thin. ‎ ‎ Running is good for our health in other ways, too. Many runners say running keeps colds and other small health problems away. "Running is my doctor," says one man. ‎ Running can also help people to relax. So today men and women of all ages enjoy running.‎ 1. Many people enjoy running because they want to______.‎ ‎ A. Eat much B. Keep healthy C. Run fast D. Save time 2. Doctors tell us______.‎ ‎ A. Not to smoke B. Not to exercise ‎ C. To drink much D. To eat much 3. How often does the old woman run?‎ ‎ A. Twice a week B. Three times a week ‎ C. Once a month D. Three times a month ‎4.The third paragraph shows______.‎ ‎ A. running helps people to relax ‎ ‎ B. people who like running have many healthy problems ‎ C. running helps build a healthy body ‎ ‎ D.people who like running have fewer healthy problems ‎5.The writer mainly(主要) tell us______.‎ ‎ A. how to run B. How to become thin ‎ C. running is a good way to keep healthy D.running is better than doctors 三．任务型阅读 Joy loves instant noodles (方便面). She eats them at least once a week. She has a way to make them 8‎ ‎ more delicious. She writes:‎ ‎“Although I know it is not good for me to eat a lot, I still love instant noodles — I think they are cheap and delicious. When I cook them, I often add (加) something to make them more delicious.”‎ ‎“I discard (丢弃) their flavorings (调味品). I make the ‘flavoring’ myself. When I cook the noodles, I always put an egg in them. I love eggs. They are one of my favorites. Sometimes I put some pieces of meat. I also put some vegetables, sometimes cabbages and sometimes broccoli. Yesterday I tried tomatoes. They tasted great! Next time I’d like to try some beans. After I enjoy instant noodles, I often go for a walk in the park. I feel great.”‎ ‎1. How often does Joy eat instant noodles?‎ ‎ She eats them at least 　　　　　　　　　.‎ ‎2. What does Joy think of instant noodles?‎ ‎ She thinks they are 　　　　　　　　　.‎ ‎3. How does Joy deal with (处理) the flavorings of instant noodles? ‎ ‎ She always 　　　　　　　　　, and makes the “flavoring” herself.‎ ‎4. What does Joy always put in instant noodles?‎ ‎ She always puts 　　　 　　　　 in them. ‎ ‎5. Where does Joy often go for a walk after enjoying instant noodles?‎ ‎ She often goes for a walk 　　　　　　　　　 after enjoying instant noodles.‎ 四．用所给动词的正确形式填空 （5分）‎ ‎1. You should _______(go) to see a doctor.‎ ‎2. Mother asked me ________(get) up early.‎ ‎3. Let’s _______(try) our best to make our world more beautiful.‎ ‎4. He ________(leave) his bag at school yesterday.‎ ‎5. ---I found it difficult _______________(get) to sleep in the night.‎ ‎--- You’d better_____________________(take) some sleeping pills.‎ 五、.句型转换（10分）‎ ‎1.You should write him a letter.（就划线部分提问)‎ ‎ __________ _________ _________do?‎ ‎2. I think you should finish your homework first.（改为否定句）‎ ‎________ ________ ________ you should finish your homework first ‎3. I visit my grandma once a week.（就划线部分提问）‎ ‎__________ _________ do you visit your grandma?‎ ‎4. I met my English teacher last night.（改为一般疑问句）‎ ‎________ ________ ________your English teacher last night?‎ ‎5. He has some money ,too.（改为否定句）‎ He ________ ________ ________money, ________.‎ ‎ ‎ ‎ 六．书面表达（满分15分）‎ 根据下列班级活动调查表，用英语写一篇短文。 ‎ Class 12, Grade 8: Activity Survey ‎ Activity ‎ Every Day ‎ Twice a Week Four Times a Week 8‎ ‎ Watch TV ‎ 60% ‎ ‎ 20%‎ ‎ 20%‎ ‎ Play Sports ‎ 10%‎ ‎ 20%‎ ‎ 70%‎ ‎ Do Homework ‎ 100%‎ ‎ 0%‎ ‎ 0%‎ ‎( All students=100% Most students=51%～99% Some students = 1%～50%‎ No students=0%)‎ ‎ We asked the students of Class 12, Grade 8 about their free time activities. Our questions were about watching TV, doing sports and homework. Here are the results.‎ We found that sixty percent of students watch TV every day. Forty percent watch TV twice to four times a week. As for playing sports. Only ten percent play sports every day. Twenty percent do sports twice a week. Seventy percent do sports four times a week. We were glad to find all students do homework every day.‎ ‎ ‎ 8‎