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初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3

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初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3
初中八年级英语上册《Unit2Howoftendoyouexercise?》学案(人教版)_最新人教版英语八年级上册_老版(含有参考价值)_导学案_方案3

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学案 1-2 年级 八 科目 英语 周次 主备人 班级 序号 备课组 学校 课题 Unit 2 Section A 姓名 长审核 审核 教师寄语:Industry is the parent of success. 成功源于勤奋。 教学目标:1. 掌握Unit 2 中出现的重点单词、词组 2. 掌握频度副词 always usually often sometimes hardly ever never 的用法。 教学重难点:频度副词的正确使用 第 1 课时 Step 1. 预习导学及检测: 请写出下列单词和短语 1. 家务事____________ 2. 互联网_____________ 3. 节目___________ 4. 一次____________ 5. 两次__________ 6. 几乎不;几乎没有_________ 7. 曾经____________ 8. 忙的;满的______________ 9. 摇摆舞_______________ 10 . 一个月两次 ________________ 1. Listen and finish 1b, 2a. 2. Read and practice to finish 2c, 2d. Step 3. 预习检测 一,根据汉语或首字母提示,用合适的单词完成句子 1. I h_________ ever watch TV on weekends . I often help my mother with h________(家务劳动). 2. Tony’s brother goes to the movies t_________ a month. 3. Tomorrow is quite f_________ for me . I can’t go shopping with you . 4. I think Morning News on CCTV-1 is Tom’s favorite p__________. 5. My uncle uses I___________(因特网) every day. 二, 根据汉语意思完成下列句子,每空一词 1. “ 她周末干什么?” “她常常去看电影。” -________ does she _________ on weekends? -She often _________ to the ____________. 2. “你多久锻炼一次” “ 一周三次” -_______ ________ do you _________? -________ ______ aweek 3. 你最喜欢的节目是什么? __________ your ___________ ____________? 4. 我爷爷每周锻炼两次。 My grandfather ___________ ____________ a week. 5. 我几乎不购物。 I _________ __________ go __________. 第 2 课时(3a-3c) [来源:学+科+网] Step 1. Check 写出下列短语 1. 一周一次 _______________ 2. 一个月两次 __________________ 3. 几乎从不 ________________ 4. 至多,不少于 ________________ 5多久一次_________________ 6 熬夜到很晚____________________ Step 2. Match the questions and answers of 3a Step 3. Ask and answer with a partner to finish 3b, then write them down. Step 4. 合作探究 1. maybe 与 may be maybe 是 ______词, 表推测。=_________, 在句中做状语,常位于句首。 may be 是 _______ 形式,与主语构成系表结构,也表推测。 跟踪练习:(1) _________ your dog is hungry. (2) Your dog __________ hungry. 2. at least 至少,范围是大于等于 __________ 至多,范围是_________ 跟踪练习: (1) He goes swimming _____ _______ _______ _______ _______ in summer. (每星期至少一次) 3. full (1) 饱的——________ (2) 满的——_________ 常用词组___________=________________ (3) 忙的——_________ 跟踪练习:The bag _____________________books. (盛满了) 4. how often “ _______ ” 用 来 提 问 ___________ 如 : _______________ 跟踪练习:(1) A: _____________ do you do your homework? B: Every day. (2) A: I’m not sure _________ he goes to see his grandparents.B: Twice a week. 拓展:how many times _________________ how long ____________ how soon ______________ Step 5 . 训练检测: 一,基础训练 (一)用所给单词的适当形式填空 1. I often watch TV __________ (two) a week. 2. My mother always goes ___________ (shop) on Sundays. 3. Sue usually eats a ___________ (health) breakfast. 4. The man often ________ (go) home at six o’clock in the afternoon. 5. –How many __________ (time) do you go to Beijing? -Three. (二), 单项选择 ( ) 1. – How about __________ this afternoon? - Sorry , I have piano lessons. A. play tennis B. play the tennis C. playing tennis D. playing the tennis ( ) 2. She ________ know the answer , but I’m not sure. A. may B. maybe C. can be D. can is ( ) 3. I often go to the movies __________ a week. A. one or two times B. two and three times C. three or four time D. four or five times ( ) 4. -_________ hours do you exercise every day? -Two. A. How long B. How far C. How much D. How many ( ) 5. I _________ watch TV in the evening. I have too much homework to do. A. always B. sometimes C. usually D. never ( ) 6. -_________ did you go _________ this week? -Twice. A. How often ; shopping B. How long : shop C. How many times ; shopping D. How soon ; shop ( ) 7. –How often do you exercise ? -____________. A. A time a week B. Two time a week C. Three times a week D. one times a week ( ) 8. Meimei listens to music ___________. A. sometimes B. sometime C. some times D. some time ( ) 9. –How often were you late for school last term , James? -___________. I got to school early every day.A. Always B. Sometimes C. Usually D. Never ( ) 10. He studies _______ at Japanese , but he can still ______ speak the language. A. hard ; hard B. hardly ;hardly C. hard ; hardly D. hardly ; hard 二, 拓展延伸 Are you in good health? (1) Do you want to keep healthy ? If you want, please do the following things. First of all, you should exercise every day , such as playing basketball , jogging (慢跑) . No sports, no life. Second , you should have a good eating habit. You should try to eat more vegetables and fruit and (2) ________ milk every day . You ‘d better eat junk food as little as possible. Please remember : (3) An apple a day keeps the doctor away. It’s important for us to have a healthy lifestyle and eating habit. (4) 如果 你拥有健康的生活方式和饮食习惯,你就会很健康。 (5) g ood good help health grades can us get to So please remember what I said. I wish you good health. 根据短文内容,按要求完成下列任务。 6, 请将(1) 处变成同义句。 _____________________________________________ 7. 请在(2) 处填上一个合适的词,使句子意思完整。 ___________________________________________ 8. 请将(3) 处的英文翻译成汉语。 ___________________________________________ 9. 请将(4) 的汉语翻译成英语。 ____________________________________________ 10. 请将(5) 处连词成句。 ______________________________________________学案 年级 八 科目 英语 周次 主备人 3-4 班级 序号 备课组 学校 课题 Unit 2 Section B 姓名 长审核 审核 教师寄语:A little knowledge is a dangerous thing. 教学目标:1. 掌握Section B 中出现的重点单词、词组 2. 学会谈论日常动作和行为发生的频度 3. 学会百分数的表达 教学重难点:如何谈论日常动作和行为发生的频度以及频度副词的正确表达。 -How often do you -------? -Every day. 第 3 课时 Step 1 .预习自学部分 一,学习背诵单词并自查 咖啡 ___________ 身体 _____________ 健康 _________ 作家 ___________ 牙医 _____________ 杂志 __________ 头脑;心智___________ 结果 _____________ 电视机 ___________ 百分之------_________ 点;得分 _________ 然而 _____________ 虽然;尽管 _________ 以,凭借,穿过 _________ 例如;像------这样 _________ 多于 _______________ 少于 ___________________ 二, 通读课本P12-15 , 找出下列短语和句子 1. 多久一次 __________________ 2. 一周三至四次 ______________ 3. 最好的放松方法 ___________ 4. 在他们的闲暇时间 __________ 5. 熬夜 _____________ 6. 你多长时间和一次牛奶?_________________ 7. 你多长时间锻炼一次?________________________________________ 8. 每晚你睡几个小时?__________________________________________ Step 2. 相关语法知识 一,频率副词 1. 表示频率的副词叫做频率副词。本单元所学的频率副词有:always (100%) , usually (80%) , often (30%-50%) , sometimes (20%) ,hardly ever (5%) , never (0%) The sun always rises in the east. 太阳总是从东方升起。 What time did you usually get up when you were a pupil? 当你是个小学生的时候,你通常几点起床? It is sometimes warm and sometimes cold. 天气时暖时冷。 I was so tired that I could hardly walk . 我太累了,简直走不动了。 I will never leave her alone. 我将永远不离开她。 3. 注意 (1)表示频率的副词(短语)通常用于一般现在时或一般过去时的句子中。 (2) 频率副词(短语)常放在行为动词之前,系动词、情态动词或助动词之后。 sometimes 也可放在句首或句末。 (3) hardly ever 和never 属于否定句,句中有了hardly ever 或never , 该句 即为否定句。 (4) 对频率副词提问用How often 二, 语法跟踪练习 ( ) 1. -_________ do the students play sports? -Twice. A. How long B. How often C. How many times D. How much ( ) 2. Miss Zhou _________ rides a bike to work. Riding keeps her thin and fit. A. never B. ever C. usually D. hardly ( ) 3. The sun _________ rises (升起) in the east. A. sometimes B. never C. always D. usually ( ) 4. ________ give up (放弃), then you can be successful (成功的). A. Always B. Often C. Hardly ever D. Never ( ) 5. –I’m not sure __________ Mr. Wang goes to see his parents. -Twice a week. A. how long B. how often C. how soon D. how manytimes Step 3. 预习检测 一, 根据句意及首字母提示完成句子 1. Would you like to drink cola or c_________? 2. About 20 p________ of the ball is white. 3. Mo Yan is a famous Chinese w________ in the world. 4. I’m thirty . I want to d________ some water. 5. Children like eating j________ food. 二,用所给词的适当形式填空。 1. Bill is __________ (health). 2. My teacher wants me _________ (read ) English stories after class. 3. Would you mind __________( give ) me a hand? 4. He eats junk food __________ ( one ) a week. 第 4 课时 Step 1. 复习检测基础知识 一,选词填空 always , usually , sometimes , hardly ever , never , how often 1. He is too busy . He ____________ watches TV. 2. Li Lei is very kind and ____________ ready to help others. 3. Mary is an honest (诚实的) girl , she _________ tells a lie. 4. What time do you __________ get up ? 5. -___________ do you play computer games? -Once a week. 6. My mother goes to work by bike , bu t __________ by bus. 二, 根据汉语意思完成下列句子 1. –你妈妈周末通常干什么? -她经常去购物。 -________ _________ your mother usually do ________ __________/ -She __________ goes shopping. 2. –你弟弟多长时间上一次网? -一周两次。 -_________ _________ does your brother ________ __________ ________? -___________ ___________ ____________. 3. –你多久帮妈妈做一次家务? -至少一周二次。 -How _________ _________ you _________ mum _________ housework? -__________ ____________ __________a week. 4. 你在学什么类型的舞蹈? -摇摆舞。 -_________ ________ of dance are you ________? -_______ dance. 5. 他几乎不跳舞。He _________ __________ ___________. Step 2 . P12 1a-1e 一,1. Read through the pictures in 1a and match the words with them. 2. Use the words in 1a to ask and answer questions. 二,合作探究 1. 区分使用 how often , how long , how many times (1) how often 意为“多久一次”, 用来提问事件发生的频率,回答 时常用once a week , twice a month , every day , sometimes , often , usually , hardly ever , never 等 (2) how long “ 多长时间/多久”,对介词for 或since 引导的时 间状语进行提问。 (3) how many times “ 多少次”, 询问次数,常对“once , twice , three times” 等提问。 跟踪练习: (1) -____________ do you drink coffee? -Once or twice a week. (2) -___________ does it take to fly to Shanghai? -About two hours. (3) -__________ do you take the medicine a day ? -Three times. A. How soon B. How long C. How often D. How many times 2. 想干------(1) want ______________ (2) would like _______________ 跟 踪 练 习 : My mother wants me _________ (help) her with some housework.. 3. She says it’s good for my health. 她说它(牛奶)对我的健康有益。 (1) 这是一个主从复合句, she 是主语,says 是谓语,后面部分是一个宾 语从句。 (2) be good for 意为“对------有好/益处”,其反义词组是“be good for” (对----有害)。 跟踪练习:(1) Staying up _______ _______ _______our health. (对------ 有害) (2) Eating more vegetables _____ _____ ______ our health. (有益于) 三, Listen and fill in the blanks of 1d. 四, Ask and answer the 1e Step 3 . Reading 1. 百分数表达:数字+percent 如:5% _________________ 15% ___________________ 2. Here are the results. 这是结果。 在以here , there 等引导的句子中,谓语动词为be , come , go 时,句 子要用倒装句。当主语为名词时,用完全倒装,即谓语放在主语之前,当主语为代词时,用不完全倒装,即谓语放在主语之后。 如:(1) Here _______ the bus . (come) (2) Here _______ _______ . (给你) 3. She always watches TV for more than two hours a day. “more than ”+数量词 “超过-----”, 其反义词为 “less than” “少于 不到” 如:(1)500 多棵树 ________ ________ 500 trees (2) 不到200 元钱 ________ ________200 yuan 4. however adv. (副词) “无论如何”, 放在句首,逗号隔开,修饰整个句 子。 如:She is a good girl . However , she has some bad habits. 她是一个好女 孩,然而她有一些坏习惯。 I’m not good at English . However , I try hard. 我不擅长英语,然而我尽 力了。 四, Finish 3a Step 4 跟踪练习 ( ) 1. I think eating more ________ food can help you keep __________. A. health ; health B. health ; healthy C. healthy ; health D. healthy ; healthy ( ) 2. __________ he is young, he looks __________ himself well. A. Although ; at B. Though ; after C. But ; for D. However ; after ( ) 3. There’s something wrong with my teeth, so I have to ___________. A. go to the doctor B. go to the shop C. go to the library D. go to the dentist ( ) 4. A ______ girl named Dong Xinyi looked after her disabled father. A. three-year-old B. three-years-old C. three-years-old ( ) 5. Running is a good way ____________ healthy. A. keeps B. to keep C. to be in D. be in good ( ) 6. -________ of the students agree with you . A. 20 percents B. 20 percent C. The 20 percent D. The 20 percents ( ) 7. -_________ do you surfer the Internet , Maria ? -Twice a week. A. How long B. How often C. How soon ( ) 8. You can ask that policeman ________ help. A. about B. for C. to D. from ( ) 9. Some students watch TV three _________ four ________ a week. A. and ; times B. but ; times C. and ; time D. or ; times ( ) 10. Eating fruit and vegetables is good ________ our health.A. at B. in C. under D. for 二, 翻译: 1. 你多久读一次英语? __________ __________ do you read English? 2. 他有时在家帮着做家务。 He sometimes ________ _______ _______ at home. 3. Kate 几乎不玩电子游戏。 Kate _______ _______ plays computer games. 4. 我每周至少去看两次电影。 I go to the movies ________ _______ _______ a week. 5. 她每月看四次电视。 She watches TV _______ _______ ________ _________. [来源:学科网] 学案 年级 八 科目 英语 周次 主备人 5 班级 序号 备课组 学校 课题 Unit 2 Self Check 姓名 长审核 审核 教师寄语:A little knowledge is a dangerous thing. [来源:Z,xx,k.Com] 第 5 课时 Step 1 . Revision 1. 频度副词及词组:how often , how long , how many times 2. Important words and expressions. Step 2 . 训练检测 一,基础练习 (一)根据句意和汉语提示完成句子 1. She bought much ________ ( 咖啡) for herself. 2. You are too heavy . You should eat _______ (较少的) sugar. 3. Outdoor __________ (活动) are good for students. 4. Tom with his brother _________ ( 锻炼) in the park every morning. 5. There is __________ (几乎没有) any food . We have to buy some. 6. –How o________ does Jim watch TV ? -O________ a year. 7. A_________ I sometimes exercise , I’m kind of u___________. 8. A lot of vegetables help you to k________ in good h_________. 9. Most students use the I_________ three or four t________ a week. 10. He went to the d_________ for teeth cleaning. (二), 用括号中所给单词的适当形式填空 11. We go camping in the country _________ (one ) a year.12. I’m very tired . I can _________ (hard) run. 13. He plays computer games three _________ (time) a week. 14. It’s good ___________ (exercise) every day. 15. Mo Yan is my favorite ___________ (write). (三) , 根据所给的汉语完成句子,每空一词 16. Claire 每星期上两次钢琴课。 Claire ________ _______ _______ twice a week. 17,我弟弟每天至少看两小时电视。 My brother watches TV _______ ________ two hours a day. 18,他经常熬夜上网。\ He often _______ _______ _______ and goes online. 19,大部分男孩子都喜欢像打篮球这样的运动。 Most boys like sports _______ _______ playing basketball. 20,我认为放松最好的办法是通过锻炼。 I think the best way _______ _______ is exercise. (四) 单项选择 ( ) 21. -________ does Frank exercise? -Five times a week. A. How long B. How often C. How much D. How soon ( ) 22. –What do you like to do on weekends ? -I like watching TV .Happy Camp (快乐大本营) is my favorite _________. A. food B. sport C. program D. subject ( ) 23. –would you like something to drink? - Yes . _______ , please. A. Chocolate B. Coffee C. Apples D. Oranges ( )24. –How ________ hours do you read English every day? -Two . A. many B. much C. often D. long ( ) 25. She is in good ________ because she has a ________ lifestyle. A. health ; healthy B. healthy ; health C. healthy ; healthy D. health ; health ( ) 26. –There are 60 students in our class. And 75% students like reading. -You mean _________ like reading. A. none of the students B. most of the students C. all the students D. some of the students ( ) 27. Eating some fruit every day is good ________ you. A. with B. for C. at D. of ( ) 28. Her mother wants her _________ the guitar every day. A. practice B. practicing C. practices D. to practice ( ) 29. _______ junk food is unhealthy food , ______ lots of children likeeating it. A. Although ; but B. Although ; / C. Because ; so D. Because ; / ( ) 30. It’s raining ________ and people can _________ go out. A. hardly ; hard B. hard ; hard C. hardly ; hardly D. hard ; hardly ( ) 31. Next week is quite ________ for me . I can’t go to Beijing with you . A. free B. happy C. full D. fun ( ) 32. The answers ______ our questions ________ watching TV were interesting. A. of ; about B. of ; to C. about ; to D. to ; about ( ) 33. Jane is a ________ high school student in the United States. A. 16 year old B. 16-years-old C. 16-year-old D. 16 years old ( ) 34. –What do they do on weekends? -_____________________. A. They sometimes go to a movie B. They are playing chess C. They are pretty excited D. They don’t read English ( ) 35. –Do you like football? -_________. I play football every afternoon . A. Of course B. Sorry C. That’s OK D. Thanks a lot Step 3 拓展延伸 A smart diet , a healthy life No matter how old your kids are , you can take steps to improve a healthy diet and to encourage good eating habits. Tip One : Family Meals Family meals are nice for both parents and kids. Children like to guess what they are going to have and parents get the chance to introduce new foods to children . Parents can also use the mealtime as a chance to talk with their kids about their life. Tip Two : Healthy Snacks (零食) Kids , especially younger ones , will eat mostly what they can get at home. That’s why it’s important to have enough healthy snacks , such as fruits , vegetables, nuts , yogurt and whole-grain biscuits. Tip Three : Being a Good Example [来源:Zxxk.Com] The best way for you to encourage healthy eating is to eat well yourself.Kids will follow the lead of the adults they see every day . By eating fruits and vegetables and avoiding fast food and sweet drinks , you are send the right message . Tip Four : No Shouts about Food Parents might find themselves shouting at children to get them to have healthy foods in front of them. This in fact can make children dislike what they are asked to eat. You need to work a bit on different cooking methods (方式;方法) Tip Five : Get Kids Included (参与) Most kids will enjoy making the decision about food . Talk to them about making choices and planning a healthy meal . It can help them to make good decisions on their own about the foods they want to eat. ( ) 1. What is the author’s attitude (态度) towards snacks? A. Snacks shouldn’t be eaten. B. Healthy snacks can be accepted C. Kids can only have snacks at home. D. It’s not necessary to have snacks at home. ( ) 2. The best way for parents to encourage a healthy diet is __________. A. to have family meals B. to eat healthy snacks C. to be a good example D. to get kids included ( ) 3. What does the underlined phrase “ the right message” mean? A. Being a good cook B. Healthy eating C. Eating fast food D. Cooking at home ( ) 4. According to Tip Four , what should parents do if kids refuse to eat healthy food? A. Explain how healthy it is B. Try cooking it in a different way C. Never cook the same food. D. Ask kids to get used to its tasteStep 3 一. 1. hardly housework 2. twice 3. full 4. programme 5. Internet 二. 1. What ; do goes ; movies 2. How often ; exercise Three times 3. What’s ; favorite program 4. exercises twice 5. hardly ever ; shopping 第2 课时 Step 4 1. 副词 perhaps 谓语动词 (1)Maybe (2) may be 2. at most 小于等于 at least once a week 3. (1) hungry (2) empty ; be full of ; be filled with (3) free is full of 4. 多久一次 拼读次(组) every day , once a week,--- (1) How often (2) how often “多少次” 提问次数 “多长时间” 提问一段时间 / “多长” 提问物体长度 “多久以后”提问表示将来的时间状语Step 5 (一). 1. twice 2. shopping 3. healthy 4. goes 5. times (二). 1-5 CADDC 6-10 CCADC 二. 6. Do you want to be healthy? 7. drink / have 8. 日食一苹果,医生远离我。 9. If you have a healthy lifestyle and eating habit, you will be healthy. [来源:Zxxk.Com] !10.Good health can help us to get good grades. 第3课时 Step 2 二. 1-5 CCCDB Step 3 一. 1. coffee 2. percent 3. writer 4. drink 5. junk 二. 1. healthy 2. to read 3. giving 4. once 5. 第4课时 一. 1. hardly ever 2. always 3. never 4. usually 5. How often ; sometimes 二. 1. What does ; on weekends ; usually 2. How often ; use the Internet ; Twice a week 3. Often do ; help ; do ; At least twice4. What kind ; learning ; Swing 5. hardly ever dances Step 2 二. 1.(1) C (2) B (3) D 2. to do to do--- to help 3. is bad for is good for Step 3 1. five percent fifteen percent 2. comes you are 3. more than less than Step 4 一. 1-5 DDDAB 6-10 BBBDD 第4课时 Step 2 一. (一) (二).11. once 12. hardly 13. times 14. to exercise 15. writer (三).16. has/takes piano lessons 17. at least 18. stays up late 19. such as 20. to relax(四). 21-25 BCBAA 26-30 BBDBD 31-35 CDCAA Step 3 1-5 BCBBC