Unit 2 Keeping Healthy-Topic 3 Must we exercise to prevent the flu -Section A-ppt课件-(含教案+音频+素材)-市级公开课-仁爱科普版八年级上册(编号：c0473).zip

Unit 2 Topic 3 Must we exercise to prevent the flu? Section A 【学习目标学习目标】： 1学习情态动词 must 和 have to 表示劝告和需要的用法 2谈论如何预防流感。 【重点难点重点难点】Key points 掌握下列句型：掌握下列句型： 1、Sure, go ahead. 2、What should we do to prevent it? 3、First, we should exercise often to build us up. 4、Must we go to see a doctor at once when we have the flu? 【学习过程学习过程】一、预习检测 1.和一名记者交流在电视上 2.询问某人某事 3.问你一些问题 4.要求某人做某事 5.向某人寻求帮助 6.开始吧 7.增强某人的体质 8.保持房间干净 9.保持空气清新 10.一直，总是 11.勤洗手 12.勤换衣服 _ 13.远离_ 远离拥挤的地方 14. 采纳某人的建议 _ 15. 预防流感_ 16.在网上工作太久 17.好好休息 18.阻止某人做某事 1. May I.?是日常交际中常用的表请求的句型是日常交际中常用的表请求的句型。在此句型中，“一些”通常用 some，而 不用 any。 e.g.: May I have _ water, please? 我能喝点水吗？ (1)question 意为“问题，疑问”，指较易解决的问题及口头回答的问题较易解决的问题及口头回答的问题，或常指对某事疑 惑不解需要寻找答案的问题。它常与动词 ask 或 answer 搭配使用。 e.g.: Can you answer the _? 你能回答这个问题吗？ (2)problem 通常指难以解决的问题，尤指比较困难的问题难以解决的问题，尤指比较困难的问题，如社会、政治和经济等。与他 搭配的动词一般是 work out 或 solve。 e.g.: We must solve the _ of heavy traffic in Beijing （尽快地）。 我们必须尽快解决北京的交通拥挤问题。 This is a difficult _ to answer. 这个问题很难回答。 2.ahead (adv.) 意为“在前面(头)” go ahead (口语)表示同意对方的请求，根据情况可译为“说吧！”“做吧！”“进行吧！ ”“干吧！”等 e.g.:May I start now? Yes, _ _.我现在可以开始了吗？ 请开始吧！ 3. prevent 动词，意为“阻止，阻挠”，可与 stop 互换使用。 e.g.: Could you give us some advice on _(prevent) the flu?你能为我们预防流感提些建 议吗？ prevent sb./ sth. (from) doing sth. 阻止某人阻止某人/某物做某事某物做某事 这里的这里的 from 可以省略可以省略 =stop . (from) doing sth. = keep . from doing sth. (这里的这里的 from 不能省略不能省略) e.g.: Lucys parents tried to _ her _ playing computer games. = Lucys parents tried to _/ _ her playing computer games. 露西的父母试图阻止她玩电脑游戏 4. build sb./ yourself up 增强增强.的体质；使更加强壮。的体质；使更加强壮。 e.g.: You need to do more exercise to _ _ _.你得多锻炼增强体质。 5. all the time 副词短语，意为“一直，始终”，在句中作状语。 e.g.: She kept crying _ _ _. 她一直在哭。 6. keep away from.=stay away from. 意为意为“远离远离.”，后面接名词、代词或动名词，后面接名词、代词或动名词， e.g.: As students, we should _ _ _ smoking and drinking. 作为学生，我们应该远离烟酒。 keep.away from. 意为意为“让让.远离远离.” e.g.: Youd better _ the child _ _ the flu.你最好让孩子远离火点。 7. 含有含有 must 的一般疑问句，肯定回答用的一般疑问句，肯定回答用 must，否定回答不能用，否定回答不能用 mustnt，而用，而用 neednt 或或 dont have to。用。用 dont have to 回答时，有人称和数的变化。回答时，有人称和数的变化。 e.g.: Must we go there at six? Yes, you _./ No, you _/ _ _ _. 我们必须六点去那里吗？ 是的，必须。/ 不，你不必。 【辨析】must 和 have to 两者都是“必须”的意思 must 侧重于个人意志和主观上的必须，have to 侧重于客观上的必要； must 可用来表示现在和将来的“必须”，无时态变化，have to 则可用于各种时态。 e.g.: I know I _ study hard. 我知道我必须努力学习。 My grandma was ill, so I _ _ call the doctor in the middle of the night. 我奶奶病了，所以我不得不半夜里把医生请过来。 【典题训练典题训练】一、根据汉语提示填空 1.You shouldnt _ _ _ _(在网上工作) too long. 2.Parents should _ their children _ _(远离) animals. 3.Must we keep the windows open _ _ _(一直)? 4.We should often open the windows to _ _ _ _(保持空气清 新). 5.First, we should _ _(增强体质) our bodies to prevent diseases. 二、单选 ( )1.- May I ask you _ questions? Sure. Go on. A.some B. any C. much D. few. ( )2.Must we clean the classroom at once? -No, you _. You may do it after school. A. mustnt B. dont C. neednt D. dont have. ( )3.May I take the book out of the library, Miss Li? -_. A. You may not B. No, you mustnt C. Im afraid not D. No, you cant. ( )4. You _ wash your hands before meals. It is good for your health. A. may B.can C. must D. need ( )5. parents should keep their children away _ the dangerous places. A. on B. from C. off D.in ( )6. She needs to have someone looking after her _. A. all the same B. all the time C. all times D. all the times Section A 【学习目标】 1. 能正确拼读并灵活运用下列单词及短语： journalist，question，prevent，finally；go ahead，build sb. up，all the time，crowded places 2. 能用must表劝告和需要的用法。 3. 能用first，second，third，finally使语意表达连 贯。 4. 能从对话听力中听出获取主要信息。 5. 能正确朗读课文对话，并与同伴合作探究。 prevent 记者，新闻工作者 阻止，阻碍 【课前导学】 journalist finally 最后；最终 question 问题；询问 开始做 一直 拥挤的地方 使身体强健 go ahead all the time crowded places build sb. up keep away from 远离 掌握以下短语 Lets remember (phrases) Present the phrases according to the following pictures. (如果你知道下面这些图片的相关短语，请 大声地说出来。） exercise change our clothes keep away from crowded places 远离拥挤的地方 Keep the air fresh 保持空气清新 Open the windows 开窗 What should we do to prevent the illnesses? We should do exercise to build us up. 预防 使身体强壮 【小组合作 】 What should we do to prevent the illnesses? We had better eat more fruit and vegetables. What should we do to prevent the illnesses? We shouldnt spit in public. What should we do to prevent the illnesses? We must keep our rooms clean and the air fresh. Flu is a serious illness, what should we do to prevent it？ Listen to 1a and check Dr. Lis advice. 录音1a-P43 1.exercise often 2.keep the air fresh 3.go to bed early 4.wash hands and change clothes often 5.keep our rooms clean 6.drink enough water 7.take some medicine 8.keep away from crowded places talk with/to sb.和某人说话 go ahead 开始吧 build sb. up 增强某人的体质 all the time 一直 keep away from 远离 at once 马上 take ones advice 采纳某人的建议 Must we go to see a doctor at once when we have the flu ? 肯定回答： Yes, we must. 否定回答： No, we neednt. / No, we dont have to. 注：此处不能用 mustnt (禁止；不准)回答 Look at the pictures and write down the correct words or phrases. Then make up conversations with your partner. （用适当的单词或短语描述图片，然后和你的同伴一起编造对 话。） exercise take some medicine Example: A: Must we exercise to prevent the flu? B: Yes, we . A: Must we take some medicine to prevent the flu? B: No, we / No, we . must neednt dont have to A: Must we . to prevent the flu? B: Yes, we must. No, we dont have to. / No, we neednt. keep away from crowded places keep the air fresh all the time 1 2 Choose one of the pictures to make a dialog. Lets read! (分角色朗读对话，每一个小组 中分为A/B两组同学。比一比，哪 个小组表现得最出色！） 视频1a-P43 Lets retell! 每一个小组用first,second,third,finally来复述 Dr.Li 的建议，并配合相应的动作。 T: What should we do to prevent the flu? S1: First, .exercise . build . up. S2: Second, .keep .clean and .fresh . 【小组合作 】 S3: Third, .wash .and change .often. S4: Finally,.keep .crowded places. 3. Look at the pictures and write down the advice on how to prevent the flu, using should, had better or must. 1.2. We should exercise often. We must go to see a doctor at once when we have the flu. 3. 4. We had better keep away from crowded places. We should take a shower often. 5.6. We should keep the air fresh. We should change our clothes often. 1. We should exercise often. 2. We must go to see a doctor at once when we have the flu. 3. We had better keep away from crowded places. 4. We should take a shower often. 5. We should keep the air fresh. 6. We should change our clothes often. 2. A. Listen to the passage and circle the symptoms that you hear. fever cough headache backache toothache stomachache sore throat sore eyes 录音2-A-P44 B. Listen again and check the advice you hear. Should drink lots of boiled water take some cold pills lie down and take a good rest brush your teeth twice a day Shouldnt work on the Internet too long go to crowded places play sports too much eat hot food 录音2-B-P44 ( )1. May I ask you some questions, Dr. Wang? _ A. Youre welcome. B. Sure, go ahead. C. No, Im busy. D. Yes, you must. ( )2. My parents ask me _ in order to make me healthy. A. build up meB. build me up C. to build up meD. to build me up ( )3. Must I take part in the activity? No, you _. Youre too young. You should look after yourself. A. mustnt B. dontC. cantD. dont have to B D D 第一模块 Unit two I know I understand Must 的用 法 How to prevent the flu? I master 用first，second ，third，finally 使语意表达连贯 。 Summary Unit 2 Topic 3 Must we exercise to prevent the flu? 1. 写一篇小短文来说明 如何预防流感。 2. 背诵1a。 Unit 2 Keeping Healthy Topic 3 Must we exercise to prevent the flu? Section A . Teaching aims Knowledge aims： 1. 能正确拼读并运用单词表中的单词与短语：question, go ahead, build up, all the time, finally, Internet 2. 能认读下列单词：journalist, crowded, throat。 3. 能用以下短语进行口头或书面的表达：keep away from, take some cold pills, change our clothes often, go to crowded places, do sth. at once, take ones advice, play sports too much 等。 4. 能用 first, second, third, finally 有序地进行表达。 5. 能正确地运用 must 提问： You must have a good rest. You mustnt throw litter around. Skill aims： 1. 能听懂有关预防流感的对话或文章。 2. 能正确阅读有关预防流感的对话或文章。 3. 能比较流利地谈论有关预防流感的话题，能熟练地运用 must 问答，表示征求意见或 提建议。 4. 能正确地用书面形式表达有关预防流感的话题。 Emotional aims： 1. 学生能够听从他人建议，积极预防感冒。 2. 强化学生保持健康的思想，教会学生如何更好地进行体育锻炼。 II. The key points and difficult points Key points： keep away from, take some cold pills, go to crowded places, play sports too much 等短语的 理解及运用。 Difficult points： 1. May I ask you some questions? some 在疑问句中的运用。 2. Must we? 的回答语 No, we dont have to. / No, we neednt. III. Learning strategies 学会用 first, second, third, finally 谈话或写作，有益于培养学生英语口头和书面表达的 条理性。 IV. Teaching procedures StepInteraction patternStudent activityTeacher activity Introduction （7 minutes） 1. The whole class work 2. The whole class work 1. Focus their attention on the teacher. 2. Read the saying aloud. 3. Students from the group 1. Get students ready for learning. 2. Show everyday saying for the students.(one saying a week) 3. Teacher acts as a journalist 3. The whole class work 4. The whole class work 5. The whole class work will accept the interview: S1: Yes, please. S2: Yes. Go to bed early and get up early. S3: Drink enough water every day. S4: Eat fruit and vegetables often to keep healthy. S5: Take part in sports. S6: Have a healthy eating habit. 4. Students can read and understand the meaning. 5. Students understand the new words by seeing the synonymous and read the new words according to the phonetic syllables. and interviews one group about how to keep healthy: T: Im a journalist from CCTV. (Show a picture of “journalist” on screen.) May I ask you a question? T: Do you know how to keep healthy? 4. Teacher leads the students to read “journalist”. 5. Teacher shows the new words on the screen with synonymous besides: go ahead prevent - stop build up keep healthy all the time - always finally - last Presentation (10 minutes) 1. The whole class work 2. The whole class work 3. The whole class work 4. The whole class work 5. The whole class work 6. The whole class work 7. The whole class work 8. The whole class work 1. Students make sure to know the verb phrases in 1b. They may discuss in groups. 2. Students listen and finish 1b. 3. Students listen again and finish 1c. 4. Students look through 1a, checking their answers in 1b and 1c. 5. Students read after the recording sentence by sentence. 6. Students make sure they can read correctly. 7. Students read at the same speed and try to imitate its pronunciation and intonation. 8. Students underline in their books and understand what the teacher explains. 1. Teacher asks the students to look through 1b. 2. Teacher plays the recording. 3. Teacher plays 1a again and asks the students to finish 1c. 4. Teacher asks the students to look through 1a and check their answers. 5. Teacher plays 1a sentence by sentence. 6. Teacher lets students read 1a in pairs. 7. Teacher plays 1a without stopping. 8. Teacher explains some language points: (1) May I ask you some questions? (2) go ahead(3) What should we do to prevent it?(4) build up(5) all the time(6) keep away from(7) firstsecondthirdfinally Consolida -tion (8 minutes) 1. The whole class work and group work 2. Some students work 3. Some students work 4. Pair work 1. Students read in pairs and choose out the best pair. 2. Students stand on the teaching platform, and teacher makes a draw to decide who will be the journalist. 3. The journalist begins interviewing others, acting 1a out. Other five students will act as a doctor team, and each student says one thing. 4. Students retell 1a in pairs, ask and answer by using first, second, third and finally. Students try to memorize all the verb phrases. 1. Teacher asks the students to read 1a in pairs, and each group chooses out the best pair. 2. Teacher makes a draw to decide who will be the journalist. 3. Teacher gives the pair of glasses, camera and microphone to the journalist. 4. Teacher asks the students to retell 1a according to the sequence: (1) exercise often to build us up (2) keep our rooms clean and the air fresh (3) wash our hands and change our clothes often (4) keep away from crowded place Practice (10 minutes) 1. The whole class work 2. Pair work 3. Group work 4. Group work and pair work 5. The whole class work 1. Students replace the verb phrases in 1b into the conversation together. 2. Students ask and answer questions in pairs. A: Must we? B: Yes, we must. A: Must we? B: No, we dont have to./ No, we neednt. 3. Each group will make six different conversations. 4. Member C1 and C2 from each group will show the conversation. 5. Students only ask and answer the dialogue in 1d by using eight verb phrases in 1b, and each student makes eight conversations. 1. Teacher demonstrates the students to make conversations by using the verb phrases in 1b. A: Must we? B: Yes, we must. A: Must we? B: No, we dont have to. / No, we neednt. 2. Teacher lets the students ask and answer in pairs. 3. Teacher asks the students to finish 1d. 4. Teacher lets Member C make the conversation in pairs. 5. Teacher organizes a competition to find out who is the fastest one to finish making conversations by using the verb phrases in 1b. A: Must we? B: Yes, we must. A: Must we? B: No, we dont have to. / No, we neednt. Production (10 minutes) 1. The whole class work 2. The whole class work 3. The whole class work 4. The whole class work 5. The whole class work 6. Some students work 7. The whole class work 8. The whole class work 9. The whole class work 1. Students understand The meanings of “symptoms” and “sore throat”. 2.Students guess something about illness. 3. Students listen and finish A of 2. They should know the meaning of “circle”. 4. Students make sure they know the phrases in B of 2. 5. Students listen and finish B of 2. 6. Volunteers read their answers. 7. Students write down, and they may discuss in groups. 8. Students summarize Section A, doing exercise shown on the screen. 9. Students do the follow jobs: (1) Memorize all the verb phrases in Section A after class. (2) Students write the conversation after class: How to prevent the flu? (3) Students learn to read vocabulary and read the dialogue after the recording. 1. Teacher explains that “symptoms” here means “illness”, and then shows a picture of “sore throat” on the screen. 2. Teacher asks the students to predict what they are going to listen to. 3. Teacher plays the recording of 2. 4. Teacher asks the students to look through B of 2. 5. Teacher plays the recording of 2 again. 6. Teacher checks the answers. 7. Teacher asks the students to write down phrases in 3. 8. Teacher shows the summary to the students. 9.Teacher assigns homework: (1) Teacher asks the students to memorize all the verb phrases in Section A. (2) Teacher asks the students to write a conversation according to 3: How to prevent the flu? (3) Prepare Section B after class. Teaching Reflection Students are very interested in acting as a journalist, although teachers have a little trouble taking things such as microphone, camera and so on. In order to attract students, teacher should design more activities. V. Blackboard design Unit 2 Keeping Healthy Topic 3 Must we exercise to prevent the flu? Section A May I ask you some questions?