英语人教版八年级上册Unit2 SectionB1.doc

初中英语学科“问题导学、互动探究”教案Unit 2 How often do you exercise?The First PeriodSection A (1a-2d)I.Teaching aims:1. Knowledge aims:(1) Key words:housework,hardly,ever,twice,once,Internet,program,full,swing(2) Key phrases:hardly ever,swing dance,help with,on weekends,twice a week(3) Important sentences: What do you do on weekends? I usually watch TV. How often do you watch TV? I watch TV every day.2. Ability aims:Talk about how often you do things.3. Emotion aims:Encourage students to take part in colorful activities.II.Important points:Learn to express sentences using “always” “often” and so on.III.Difficult points:Grasp the usage of frequency words.IV.Teaching processStep 1 Warming upShow some pictures to students,such as going shopping,reading,exercising,watching TV and cooking.Then ask some questions:What do you usually do on weekends?I often _.1a Make a list of the weekend activities.Check the answers and correct the mistakes. Step 2 Listening1b Listen and write the activities next to the correct frequency words.2a Listen.Cheng Tao is talking about how often he does these activities.Number the activities 15 in the order you hear them.2b Listen again. Match the activities in 2a with how often Cheng Tao does them.Step 3 Pairwork1c Make a conversation about what you do on weekends.A:What do you do on weekends?B:I usually watch TV.A:Do you go shopping?B:No,I never go shopping.Role-play the conversation.Step 4 Read and act2d Ask students to read the dialogue in 2d.and then act it out in pairs.Language points1. on weekends在周末表示时间的介词有on,in,at。on用于某日，周几或特定的某个上午、下午或晚上；in用于周、季、年、世纪，一天中的早、中、晚；at用于几点钟、黎明、黄昏、中午、半夜。2. hardly ever几乎从不hardly ever为频度副词She hardly ever calls me.她几乎从不给我电话。【拓展】常见的频度副词有：always(总是)；usually(通常)；often(经常)；sometimes(有时)；never(从不)。它们所表示的频率由高到低依次为:alwaysusuallyoftensometimeshardlyevernever。3. help with housework帮助做家务(1)help在此作动词，意为“帮助”，常用于短语help sb.(to) do sth.中，意为“帮助某人做某事”，相当于help sb. with sth.。(2)housework名词，意为“家务劳动”，常用于短语do housework中，意为“做家务”。4.twice a week一周两次twice是副词，意为“再次；两次”。【拓展】表示次数的词once一次，twice两次，three/four . times三次/四次/three times a week一周三次5. how often多久（一次）用于询问动作发生的频率。How often do you go to the movies?你多久看一次电影？Often./Once a week.经常。/一周一次。【辨析】how long与how many times(1) how long多长时间（用于询问动作延续时间的长短）。(2) how many times多少次（用于询问次数）。6. 辨析sometimes,some times,sometime与some time(1) sometimes频度副词，意为“有时”。表示动作发生的不经常性，多与一般现在时连用，它可位于句首、句中或句末，对它提问用how often。Sometimes I get up very late.有时我很晚起床。 (2) some times名词短语，意为“几次；几倍”。其中time是可数名词，对它提问用how many times。I have read the story some times.这个故事我读了好几遍。(3) sometime副词，意为“某个时候”。表示某个不确切或不具体的时间，常用于过去时或将来时，对它提问用when。I will go to Shanghai sometime next week.下周的某个时间我要去上海。(4) some time名词短语，意为“一段时间”时，句中谓语动词常为延续性动词。对它提问用how long。Ill stay here for some time.我将在这儿待一段时间。7. Whats your favorite program?你最喜欢的节目是什么？（教材第10页）Whats your favorite .?意为“你最喜欢的是什么？”可与What . do you like the best?互换。因此，此句还可以转换为：What program do you like best?Whats your favorite animal?=What animal do you like best?你最喜欢的动物是什么？8.How come?为什么呢？（教材第10页）How come?意为“为什么呢？怎么会？”相当于Why?用于询问某事为什么发生，或为什么会有这种情况发生，或为什么会有某种情况存在。可单独使用，也可接陈述语序的从句。How come you didnt tell me about it?你怎么不早点告诉我这件事？How come Tom didnt come to the party?汤姆为什么没来参加聚会呢？9.Well,how about Tuesday?哦，周二怎么样？（教材第10页）How about .?(=What about .?)意为“怎么样？”，用来向对方征求意见或询问情况。I like vegetables.How/What about you?我喜欢蔬菜。你呢？Its sunny today.How/What about playing tennis?今天天气不错。去打网球怎么样？【注意】How about.?/What about.?句式中，about后跟名词、代词或动名词形式。Exercise1、 用所给单词的正确形式填空。1. Anna plays basketball _(two) a week.2. Does your father go shopping? No,he _(ever) goes shopping.3. He often _(watch) TV.4. This is a _(hard) question.I can _(hard) answer it.2、 从方框中选择正确的单词或短语填空。（每词限用一次）hardly ever usually sometimes always 1. Shes never late,she _ gets to school on time.2. Im not good at shopping,so I _shop.3. Sometimes I walk to school,and _I ride a bike to school.4. I _watch TV to 9:00,but I watched to 10:00 last night.Homework1. Listen and read after the tape at home.2. Read and recite 2d.板书设计Unit 2 How often do you exercise?The First PeriodSection A (1a-2d) A:How often do you .? B:I . every day. A:Whats your favorite .? B: .教学反思：_Unit 2 How often do you exercise?The Second PeriodSection A (Grammar Focus-3c)I.Teaching aims:1.Knowledge aims:(1)Key words:maybe,least(2)Key phrases:at least,once a month,stay up late(3)Important sentences:What do you usually do on weekends? I always exercise.How often do you go to the movies? Once a month.2.Ability aims:Learn the usage of frequency words.3.Emotion aims:Encourage students to take part in more activities.II.Important points:Learn to make sentences using “how often”.III.Difficult points:Grasp the usage of frequency words.IV.Teaching processStep 1 Free Talk1. Ask students to read the Grammar Focus first.2. Ask students to focus on the usage of frequency words.Step 2 Finish 3a-3c3a Complete the questions with do or does. Then match the questions and answers.3b Use the words given to write questions. Then ask and answer them with a partner.3c Group workWhat can you do to improve your English?Ask your classmates the questions and find the best English student.A: How often do you read English books?B: I read English books about twice a week.Role-play the conversation.Language points1.I go to the movies maybe once a month.我大概每月去看一次电影。（教材第11页）(1)go to the movies意为“去看电影”。I went to the movies last night.我昨晚去看电影了。(2) maybe副词，意为“或许；大概；可能”，常位于句首。Maybe he knows the way to the park.或许他知道去公园的路。辨析：maybe与may bemaybe副词，作状语，意为“或许；大概；可能”。Maybe you are right.也许你是对的。may be属于“情态动词+be动词”结构，意为“可能是”。You may be right.你也许是对的。2. How often do they stay up late?他们多久熬一次夜？（教材第11页）stay up late意为“熬夜到很晚”。It is not a good habit to stay up late.熬夜不是个好习惯。Dont stay up late next time.下次不要再熬夜到很晚了。 3. He plays at least twice a week.他至少每周踢两次（球）。（教材第11页）at least意为“至少”。其反义短语为at most,意为“最多”。There are at least 1,500 students in our school.我们学校至少有1,500名学生。It will take me at least 20 minutes to get to school.到达学校至少要花费我20分钟。语法拓展频度副词的用法1. 概念频度副词是表示事情发生频率的副词，即用来表示某事在一段时间内发生的次数。常见的频度副词有：always,usually,often,sometimes,hardly ever,hardly,never,almost等。频度副词词义频度always总是；一直100%almost几乎；差不多90%usually通常70%often经常；常常50%sometimes有时；不时20%hardly ever几乎不5%never从来不；不曾0%2. 频度副词的位置频度副词一般位于be 动词、助动词或情态动词之后，实义动词之前。其中sometimes位置比较灵活，可位于句首、句中或句末。Sometimes he goes to the movies on Friday evening.他有时周五晚上去看电影。【注意】对频度副词提问用how often。How often do you shop on line,Mandy?曼迪，你多久网购一次？I hardly ever shop online.我几乎从不网购。Exercise一、选词填空。always,almost,sometimes,hardly ever,never1. He usually does his homework at home,but _ he does it at school.2. I dont like swimming,so I _ go to the swimming pool.3. Lily is a good girl.She is _ helping other students.4. He exercise _ every day,so he is very healthy.5. It _ rains in Yunnan this month,so people there need water very much.2、 单项选择。1. _ does your father play tennis after work? Every Tuesday and Thursday. A.How often B.How soon C.Where D.Why2. David was so excited at the good news that he could _ say a word. A.nearly B.hard C.ever D.hardly 3. Miss Zhou is very popular with the students. Yes.Her classes are _ lively and interesting. A.always B.sometimes C.hardly D. never Homework1. Read and recite Grammar Focus.2. Make sentences using the frequency words.(At least 5 sentences.)板书设计Unit 2 How often do you exercise?The Second PeriodSection A (Grammar Focus-3c) What do you usually do on weekends? I always exercise. How often do you go to the movies? Once a month.教学反思：_Unit 2 How often do you exercise?The Third PeriodSection B (1a-1e)I.Teaching aims:1.Knowledge aims:(1)Key words:junk,coffee,health(2)Key phrases:junk food,be good for,want sb. to do,good habits(3)Important sentences: How often do you drink milk,Liu Fang? I drink milk every day. Do you like it? No.But my mother wants me to drink it.She says its good for my health.2.Ability aims:Learn to express sentences about eating habits.3.Emotion aims:Encourage students to keep good habits.II.Important points:Train students listening and speaking skills.III.Difficult points:Ask and answer the questions using “how often”.IV.Teaching processStep 1 Warming upShow some pictures(P12) to students about food.Teach students to read these new words.Step 2 PairworkAsk and answer questions.Use the word from 1a.A:How often do you drink milk,Liu Fang?B:I drink milk every day.A:Do you like it?B:No.But my mother wants me to drink it.She says its good for my health.Step 3 Listening1c Listen to the interview about two peoples daily habits.Circle your answer to each question.1d Listen again.Ask students to fall in the blanks.Check the answers and correct the mistakes if necessary.Step 4 PairworkAsk and answer the questions.Then role-play it.A: How often do you exercise?B: I exercise every day.A: And how often do you .?Language points1.But my mother wants me to drink it.但我妈妈想让我喝它。（教材第12页）want sb. to do sth.意为“想让某人做某事”。She wants me to bring her some pens.她想让我给她带些钢笔。2.She says its good for my health.她说它（牛奶）对我的健康有好处。（教材第12页）(1) be good for意为“对有益”，反义短语：be bad for意为“对有害”。Eating vegetables is good for your health.吃蔬菜对你的健康有益。【辨析】be good for,be good at与be good withbe good for意为“对有益”Doing morning exercises is good for you.做早操对你有益处。be good at意为“擅长”，后接名词、代词或动名词Im good at(playing) basketball.我擅长（打）篮球。be good with意为“善于应对”He is good with children.他管理孩子有一套。(2) health不可数名词，意为“健康”；其形容词形式为healthy,意为“健康的”。副词形式healthily,意为“健康地”。固定短语：keep/stay/be healthy=keep in good health,意为“保持健康”。Fresh air and exercise are good for the health.新鲜空气和运动有益于健康。We should eat more vegetables to keep in good health.我们应该多吃蔬菜来保持健康。Exercise一、根据汉语或首字母提示填空。1.She says its _(对有好处) my body.2.H_ is more important than wealth(财富).二、单项选择。1.How many_do you go online every day? A.time B.hours C.milk D.hour2. My mother wants me_computer games. A.not play B.not playing C.not to play D.playHomeworkMake up a dialogue about your eating habits using “how often”.(At least 4 sentences.)板书设计Unit 2 How often do you exercise?The Third PeriodSection B (1a-1e) How often do you exercise? Every day. How many hours do you sleep every night? Eight hours.教学反思：_Unit 2 How often do you exercise?The Forth PeriodSection B (2a-2e)I.Teaching aims:1.Knowledge aims:(1)Key words:result,percent,online,television,although,through,mind,body,together,die,writer(2)Key phrases:fifteen percent,not at all,go online,such as,the best way to relax,old habits die hard(3)Important sentences: Last month we asked our students about their free time activities. Most students use it for fun and not for homework. It is good to relax by using the Internet or watching game shows,but we think the best way to relax is through exercise. Old habits die hard.2.Ability aims:Get students to understand the text correctly.3.Emotion aims:Encourage students to exercise more.II.Important points:Train students reading skills.III.Difficult points:Learn to express sentences with percentages.IV.Teaching processStep 1 Free TalkShow some pictures about free time activities.Then ask some questions.How often do you watch TV?Every day./Four times a week./.Step 2 ReadingRead the article and complete the pie charts on the next page.Check the answers and correct the mistakes in class if necessary.Focus on the usage of percentages.2c Read the article again and answer the questions.1.How many percent of the students do not exercise at all? 2.How many percent of the students use the Internet every day? 3.How often do most students watch TV?What do they usually watch? 4.What does the writer think is the best way to relax?Why? 5.Do you think the students at No. 5 are healthy?Why or why not? 2d According to the article and the pie charts,write sentences with the percentages using always, usually or sometimes. 2e Choose one of these free time activities or think of your own.Then ask your classmates how often they do this activity and make a pie chart.Show the pie chart to your class. How often do you .?Names of classmates13 times a week 46 times a week every day play computer gamesread booksgo shoppingdraw picturesplay sportsLanguage points1.Last month we asked our students about their free time activities.上个月我们询问了学生们关于他们的业余活动情况。（教材第13页）ask sb. about sth.意为“问某人关于某事的情况”。I ask my teacher about todays homework.我向我的老师询问关于今天的家庭作业的情况。Mary asked me something about my birthday party.玛丽问关于我的生日聚会的一些事情。2.And twenty percent do not exercise at all!并且20%的学生根本不锻炼！（教材第13页） not . at all意为“一点也不；根本不”。I dont know about it at all.对那件事儿我一点儿也不知道。He didnt do his homework at all yesterday.昨天他根本没有做作业。3.The answers to our questions about watching television were also interesting.对我们提出的有关看电视的问题的回答也颇有意思。（教材第13页）the answers to the questions为固定搭配。意为“这些问题的答案/回答”。名词answer之后常接介词to,表示“的答案”。类似的短语还有：the key to the door门上的钥匙；the solution to the problem这个问题的解决方式。Can you find out the answers to the questions?你能找出这些问题的答案吗？4.Although many students like to watch sports,game shows are the most popular.尽管很多学生喜欢看体育类节目，但游戏类节目是最受欢迎的。（教材第13页）although作连词，意为“虽然；尽管”，相当于though。用来引导让步状语从句。Although my grandpa is old,he looks very strong and healthy.我的爷爷虽然老了，但他看上去还是很健壮。She kept on working although she was tired.她虽疲劳但仍继续工作。Although it rained,the boys still played outside.=It rained,but the boys still played outside.尽管天下雨了，但是那些男孩们仍在外面玩耍。【注意】在英语表达习惯中，表示“虽然，但是”时，although/though不和but在同一个句子中使用。5. Its good to relax by using the Internet or watching game shows,but we think the best way to relax is through exercise.上网或看游戏类节目是很好的放松方式，但我们认为最好的放松方式是通过锻炼。（教材第13页）by doing sth.意为“通过做某事”。by介词，意为“通过；靠”，此处表示方法、手段，其后可接名词、代词或动名词形式。He had to do all the work by hand.所有的工作他都靠手工完成。Mr. Green makes a living by teaching.格林先生以教书为生。6. Exercise such as playing sports is fun,and you can spend time with your friends and family as you play together.比如进行体育活动这类锻炼是有趣的，当你们一起运动时你可以和朋友、家人一起度过时光。（教材第13页）(1)such as意为“比如；诸如”，多用来列举同类人或事中的几个例子，such as之前一般用逗号和主句隔开，后面直接加名词性短语。I have a lot of hobbies,such as reading and singing.我有很多爱好，比如读书和唱歌。Some of the European languages come from Latin,such as French and Spanish.有些欧洲语言来源于拉丁语，例如，法语和西班牙语。(2)the best way to relax意为“最好的放松方式”。不定式to relax作后置定语，修饰前面的名词the best way。The best way to learn English is to speak it every day.学英语的最好方式是每天说英语。7. And remember,“old habits die hard”.请记住：“旧习难改”。（教材第13页）Old habits die hard.(旧习难改。)是英语中的一句谚语，表示习惯一旦养成，并非朝夕即可改变，多用来描述人们一时难以改变的固有观念及做法。Old habits die hard.Thats why you should stop smoking before the habit takes hold.旧习难改，这就是你应该在习惯形成之前戒烟的原因。Exercise一、单项选择。1._ he was tired,_ he still keep working hard. A.Although;but B.Although;/ C.But;/ D./;though 2. The best way _ is _ the Internet. A.to relax;use B.relaxing;use C.to relax;by using D.of relaxing;by use二、根据汉语意思完成下列句子。1. 他一周上网三到四次。 He _ _ three _ four _ a week.2. 他喜欢一些活动，例如游泳、跑步等。 He likes some kinds of activities _ _ _,running and so on.3. 这儿有一个结果。50%的学生晚上看电视节目。 Here is a _.Fifty _ of the students watch _ at night.4. 吃垃圾食品是不好的。 Eating junk food is _ _.Homework1. Read the article and retell the story.2.Recite key words and phrases.板书设计Unit 2 How often do you exercise?The Forth PeriodSection B (2a-2e) Last month we asked our students about their free time activities. Most students use it for fun and not for homework. It is good to relax by using the Internet or watching game shows,but we think the best way to relax is through exercise. Old hab