Unit 2 Saving the Earth-Topic 1 Pollution has caused too many problems.-Section B-ppt课件-(含教案+素材)-市级公开课-仁爱科普版九年级上册(编号：50632).zip
Exercises 单项选择 ( ) 1. There are _ books in the shop. I dont know which one to choose. A. too many B. too much C. much too D. too ( ) 2. Dont smoke. Its _ to our health. Sorry, I wont do it again. A. harmB. harmful C. harmsD. harmed ( ) 3. He has a headache. He feels difficult _. A. breathe B. breath C. to breathe D. to breath ( ) 4. She is so noisy that I cant _ her. A. seeB. know C. bearD. understand ( ) 5. How long have you _ this? For a week. A. likedB. been C. been likeD. like ( ) 6. If you are always _, it will be bad for your health. A. in a good moodB. in a bad mood C. in good healthD. in need Teaching aims 1.Knowledge aims： New words: breathe, pain, produce, chest, awful, bear, breath, soil, harmful Some phrases: have got a pain in, be harmful to, too many, too much 2.Skill aims: 能通过观察课文插图来预测课文内容。 能听懂用现在完成时表达的对话。 能朗读和表演有关环保的对话。 能正确运用连读和停顿的技巧，使发音流畅，富有韵律感。 3.Emotional aims: (optional) 引导学生关注环境问题，树立绿色环保意识，增强忧患意识和社会责任感。 4.Culture awareness: (optional) 通过谈论环境问题，让学生了解不同种类的污染及其危害。 3a Look at the pictures and read the words and phrases, paying attention to the sounds and stress. soil pollution water pollution noise pollution air pollution litter light pollution ( ) ( ) ( ) ( ) ( ) ( ) A B C D E F F C D A B E soil n. 土壤，土 地 Example: People use chemicals too much in their fields, /and soil pollution causes unhealthy food. 1. People pour waste water into rivers and lakes, /so _ is almost everywhere in China. 2. _ makes people sick. /It causes breathing problems and even cancer. 3. In some cities, /theres too much _ caused by many cars. 4. _ is harmful to birds. /Also, /when we use too many lights at night, we waste energy. 5. _ makes a mess of our environment, /so people shouldnt throw it around. 3b Complete the sentences with the words and phrases in 3a. Then read them aloud, paying special attention to the pronunciation, liaison and pause. water pollution Air pollution noise pollution Light pollution Litter They had a talk. Kangkang asked Mrs. Zhou some questions. What questions did Kangkang ask? B. Listen again and match each question above with an answer below. a. Not yet. b. Ive been like this since last week. C. Its difficult for me to breathe. d. Oh, yes. C b a d 1b A. Listen to 1a and check the questions you hear. Question Answer 1. Whats wrong with you? _ 2. How long have you been like this? _ 3. Where have you been? _ 4. Have you seen a doctor? _ 5. Have you noticed the dead fish in the river? _ 1c Read 1a and answer the questions. 1. What caused Mrs. Zhous problems? 2. What will Kangkang do? 3. Do you have any other ways to solve Mrs. Zhous problems? The bad air and too much noise. He will write to the newspaper about these problems. 2 Choose the correct words to complete the passage. Dear editor, Im writing to say something about the chemical factory near my house. The factory causes _ (too many/ too much) problems. First, it produces terrible gas, and it is hard for us to _ (breathe/ breath). Whats worse, the factory makes a lot of noise. We cant sleep well at night. It also pollutes the river nearby. Now there are many _ (die/ dead) fish in the river. I think people should care for these problems and I hope the government will solve them soon. Yours, Kangkang too many breathe dead The factory causes too many problems. too many + 可数名词复数可数名词复数 e.g. There are too many people in the supermarket. I dont want to go there any more. too much + 不可数名词不可数名词 e.g. I am busy. I have too much work to do. much too + adj./ adv. e.g. Its much too cold today. Many people stay at home instead of going out. Its difficult for me to breathe. 我呼吸很困难。我呼吸很困难。 breathe v. 呼吸呼吸 e.g. He could hardly breathe because of the lung cancer. breath n. 呼吸呼吸 e.g. She took a long slow breath to calm down. Its + adj. + for sb. to do sth. e.g. Its important for us to learn English well. Its easy for him to solve this problem. Light pollution is harmful to birds. harm v. & n. 危害，伤害，损害危害，伤害，损害 harmful adj. 有害的有害的 e.g. It is harmful to animals. = It does great harm to animals. be harmful to = do harm to 对对有害有害 单项选择单项选择 ( ) 1. There are _ books in the shop. I dont know which one to choose. A. too many B. too much C. much too D. too ( ) 2. Dont smoke. Its _ to our health. Sorry, I wont do it again. A. harmB. harmful C. harmsD. harmed ( ) 3. He has a headache. He feels difficult _. A. breathe B. breath C. to breathe D. to breath A B C 单项选择单项选择 ( ) 4. She is so noisy that I cant _ her. A. seeB. know C. bearD. understand ( ) 5. How long have you _ this? For a week. A. likedB. been C. been likeD. like ( ) 6. If you are always _, it will be bad for your health. A. in a good moodB. in a bad mood C. in good healthD. in need C C B 1. Use the correct stress, pronunciation, liaison and pause while reading aloud. 2. Know the differences between Simple Past and Present perfect. Ive got a pain in my throat. Pollution has caused too many problems. 1. Some words: breathe, pain, produce, chest, awful, bear, breath, soil, harmful 2. Some phrases: have got a pain in, be harmful to, too many, too much 3. Some sentences: (1)How long have you been like this? (2) Whats worse, the factory makes too much noise. Homework 1. Read 1a. 2. Read 3a and 3b, paying attention to the stress, pronunciation, liaison and pause. 3. Finish Section B in your workbook. 4. Preview Section C. Thank you. Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems. Section B . Material analysis 本课是九年级第二单元第一话题的第二课时，主活动是 1a 和 3a。1a 通 过 Mrs. Zhou 讲述自己的身体状况和生活环境 ，引出污染对人们的健康和生 态环境所产生的危害，同时也道出了 污染产生的原因。1b 通过“听回答问 题再听核对答案”的模式来训练学生的听力技能。 2 与 1a 形成很好的呼 应，通过康康向报社反映西山污染情况的信件，呼吁政府和大众关注环境问题， 要求学生掌握词性的转换，强化 1a 中的语言知识。3a 和 3b 通过图片和简介 来描述不同种类的污染以及带来的危害。在学习这些污染的同时，也兼顾了单 词的重读，句子的连读、停顿及语调 等语言知识。通过学习本课，引导学生 关注环境问题，了解各种污染类别以及带来的危害，树立正确的环保意识。 .Teaching aims 1.Knowledge aims： 掌握本课的重点词汇和短语，正确运用现在完成时进行问答。 2.Skill aims: 能通过观察课文插图来预测课文内容。 能听懂用现在完成时表达的对话。 能朗读和表演有关环保的对话。 能正确运用连读和停顿的技巧，使发音流畅，富有韵律感。 3.Emotional aims: (optional) 引导学生关注环境问题，树立绿色环保意识，增强忧患意识和社会责任感。 4.Culture awareness: (optional) 通过谈论环境问题，让学生了解不同种类的污染及其危害。 . The key points and difficult points 1. Key points: Words and phrases: pain, produce, awful, bear, harmful, chest, editor, breathe/breath, soil, get a pain in, whats worse, too much noise, too many problems, breathing problem, be harmful to, make a mess of, throwaround Sentences: Its difficult for me to breathe. Ive got a pain in my throat. Its really awful. A: How long have you been like this? A: Have you seen a doctor? B: Ive been like this since last week. B: Not yet. Grammar: Present Perfect 的问答。 2. Difficult points： 能在不同语境中，正确判断单词的不同词性。 在朗读中，能正确地把握连读和停顿的技巧。 . Learning strategies 通过 1a，教会学生善于利用插图理解有关污染的对话。 通过 2，训练学生在不同的语境中学会转换词性，并拓展学生的词汇量。 通过 3a，引导学生通过观察图片分析和了解不同的信息。 通过 3b，要求学生掌握连读，停顿的发音技巧，反思自己的发音中的问题。 . Teaching aids 关于污染的图片或者幻灯片 . Teaching procedures Step 1 Warm-up 1. Let the Ss look at the pictures in 3a on page 30. Ask them to pay attention to the types of pollution. T：How many kinds of pollution do you know? Ss: Six. T: What are they S1: Air pollution S2: Water pollution S3: Litter S4: Light pollution S5: Noise pollution 2. Pre-listening Show the picture of soil pollution, teach the new words and check the answers of 3b. Pay attention to the pronunciation, liaison and pause while reading. T: Look at this picture, what kind of pollution is this one? (Lead the Ss to pronounce it.) S6: Soil pollution. T: Right. People use too many chemicals in their fields, /and soil pollution causes unhealthy food. The food is harmful to our health. (Teacher write down the words and phrases on the Bb.) T: Now try to fill in the blanks in 3b with the words and phrases in 3a. T: Now lets check the answer. S1: water pollution S2: air pollution S3: noise pollution T: OK, lets read the sentences together. Pay attention to the pronunciation, liaison and pause. (Teacher can give an example if necessary) Step 2: Lead-in 1. Show a picture of the polluted West Hill, let the Ss listen to 1a once and tick the questions they hear in part A of 1b. Then check the answers together. T: As we know, the West Hill has changed a lot. Look at this picture, what pollution can you find in the picture? Ss: Air pollution, water pollution, noise pollution 2. T: Right. Whatever the pollution is, it is harmful to peoples health. Mrs. Zhou gets apain in her chest because of the bad air. Step 3:Presentation & Practice Now listen to the dialog between Kangkang and Mrs. Zhou and tick the questions you hear to finish part A in 1b. T: OK, lets check the answers. S1: Whats wrong with you? S2: How long have you been like this？ S3: Have you seen a doctor? S4: Have you noticed the dead fish in the river? 3. Get the Ss to listen again and match the questions with the right answers in part B of 1b. Then check the answers together. T: Great. Listen again, match the questions with the right answers in B. 5.Get the Ss to read 1a and answer the questions in 1c. T: Now read 1a by yourselves and answer the questions in 1c. . T: OK, what caused Mrs. Zhous problem? S1: Pollution. The chemical factories produce terrible gas, make too much noise and pour waste water into rivers. T: What will Kangkang do? S2: He will write to the newspaper about the problems. T: Do you have any other ways to solve the problem? S3 Let the Ss read 1a carefully and underline the difficult points including words, phrases and sentences. Then lead the Ss to ask their classmates and teacher for help. Write down the points they cant understand on the Bb. Step 4: Consolidation Lead the Ss to scan the material and choose the correct words to complete the letter in 2. T: Kangkang has written a letter to the newspaper about pollution, but some words are missing. Can you help him finish the letter with the given words? Ss: Yes T: Now lets check the answers together. S1: too many S2: breathe S3: dead T: Great. Youd better pay more attention to the difference between “too many” and “too much”. Use the right forms of the words according to different content. Step 5 :Homework: 1. Read 1a. 2. Read 3a and 3b, paying attention to the stress, pronunciation, liaison and pause. 3. Finish Section B in your workbook. 4. Preview Section C. . Blackboard design Pollution has caused too many problems. Section B Words : breathe,pain,produce, chest,awful, bear, breath, soil, harmful Phrases: have got a pain in, be harmful to, too many, too much Sentences: Its difficult for me to breathe. Ive got a pain in my throat. Its really awful. A: How long have you been like this? B: Ive been like this since last week. A: Have you seen a doctor? B: Not yet.
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Exercises 单项选择 ( ) 1. There are _ books in the shop. I dont know which one to choose. A. too many B. too much C. much too D. too ( ) 2. Dont smoke. Its _ to our health. Sorry, I wont do it again. A. harmB. harmful C. harmsD. harmed ( ) 3. He has a headache. He feels difficult _. A. breathe B. breath C. to breathe D. to breath ( ) 4. She is so noisy that I cant _ her. A. seeB. know C. bearD. understand ( ) 5. How long have you _ this? For a week. A. likedB. been C. been likeD. like ( ) 6. If you are always _, it will be bad for your health. A. in a good moodB. in a bad mood C. in good healthD. in need Teaching aims 1.Knowledge aims： New words: breathe, pain, produce, chest, awful, bear, breath, soil, harmful Some phrases: have got a pain in, be harmful to, too many, too much 2.Skill aims: 能通过观察课文插图来预测课文内容。 能听懂用现在完成时表达的对话。 能朗读和表演有关环保的对话。 能正确运用连读和停顿的技巧，使发音流畅，富有韵律感。 3.Emotional aims: (optional) 引导学生关注环境问题，树立绿色环保意识，增强忧患意识和社会责任感。 4.Culture awareness: (optional) 通过谈论环境问题，让学生了解不同种类的污染及其危害。 3a Look at the pictures and read the words and phrases, paying attention to the sounds and stress. soil pollution water pollution noise pollution air pollution litter light pollution ( ) ( ) ( ) ( ) ( ) ( ) A B C D E F F C D A B E soil n. 土壤，土 地 Example: People use chemicals too much in their fields, /and soil pollution causes unhealthy food. 1. People pour waste water into rivers and lakes, /so _ is almost everywhere in China. 2. _ makes people sick. /It causes breathing problems and even cancer. 3. In some cities, /theres too much _ caused by many cars. 4. _ is harmful to birds. /Also, /when we use too many lights at night, we waste energy. 5. _ makes a mess of our environment, /so people shouldnt throw it around. 3b Complete the sentences with the words and phrases in 3a. Then read them aloud, paying special attention to the pronunciation, liaison and pause. water pollution Air pollution noise pollution Light pollution Litter They had a talk. Kangkang asked Mrs. Zhou some questions. What questions did Kangkang ask? B. Listen again and match each question above with an answer below. a. Not yet. b. Ive been like this since last week. C. Its difficult for me to breathe. d. Oh, yes. C b a d 1b A. Listen to 1a and check the questions you hear. Question Answer 1. Whats wrong with you? _ 2. How long have you been like this? _ 3. Where have you been? _ 4. Have you seen a doctor? _ 5. Have you noticed the dead fish in the river? _ 1c Read 1a and answer the questions. 1. What caused Mrs. Zhous problems? 2. What will Kangkang do? 3. Do you have any other ways to solve Mrs. Zhous problems? The bad air and too much noise. He will write to the newspaper about these problems. 2 Choose the correct words to complete the passage. Dear editor, Im writing to say something about the chemical factory near my house. The factory causes _ (too many/ too much) problems. First, it produces terrible gas, and it is hard for us to _ (breathe/ breath). Whats worse, the factory makes a lot of noise. We cant sleep well at night. It also pollutes the river nearby. Now there are many _ (die/ dead) fish in the river. I think people should care for these problems and I hope the government will solve them soon. Yours, Kangkang too many breathe dead The factory causes too many problems. too many + 可数名词复数可数名词复数 e.g. There are too many people in the supermarket. I dont want to go there any more. too much + 不可数名词不可数名词 e.g. I am busy. I have too much work to do. much too + adj./ adv. e.g. Its much too cold today. Many people stay at home instead of going out. Its difficult for me to breathe. 我呼吸很困难。我呼吸很困难。 breathe v. 呼吸呼吸 e.g. He could hardly breathe because of the lung cancer. breath n. 呼吸呼吸 e.g. She took a long slow breath to calm down. Its + adj. + for sb. to do sth. e.g. Its important for us to learn English well. Its easy for him to solve this problem. Light pollution is harmful to birds. harm v. & n. 危害，伤害，损害危害，伤害，损害 harmful adj. 有害的有害的 e.g. It is harmful to animals. = It does great harm to animals. be harmful to = do harm to 对对有害有害 单项选择单项选择 ( ) 1. There are _ books in the shop. I dont know which one to choose. A. too many B. too much C. much too D. too ( ) 2. Dont smoke. Its _ to our health. Sorry, I wont do it again. A. harmB. harmful C. harmsD. harmed ( ) 3. He has a headache. He feels difficult _. A. breathe B. breath C. to breathe D. to breath A B C 单项选择单项选择 ( ) 4. She is so noisy that I cant _ her. A. seeB. know C. bearD. understand ( ) 5. How long have you _ this? For a week. A. likedB. been C. been likeD. like ( ) 6. If you are always _, it will be bad for your health. A. in a good moodB. in a bad mood C. in good healthD. in need C C B 1. Use the correct stress, pronunciation, liaison and pause while reading aloud. 2. Know the differences between Simple Past and Present perfect. Ive got a pain in my throat. Pollution has caused too many problems. 1. Some words: breathe, pain, produce, chest, awful, bear, breath, soil, harmful 2. Some phrases: have got a pain in, be harmful to, too many, too much 3. Some sentences: (1)How long have you been like this? (2) Whats worse, the factory makes too much noise. Homework 1. Read 1a. 2. Read 3a and 3b, paying attention to the stress, pronunciation, liaison and pause. 3. Finish Section B in your workbook. 4. Preview Section C. Thank you. Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems. Section B . Material analysis 本课是九年级第二单元第一话题的第二课时，主活动是 1a 和 3a。1a 通 过 Mrs. Zhou 讲述自己的身体状况和生活环境 ，引出污染对人们的健康和生 态环境所产生的危害，同时也道出了 污染产生的原因。1b 通过“听回答问 题再听核对答案”的模式来训练学生的听力技能。 2 与 1a 形成很好的呼 应，通过康康向报社反映西山污染情况的信件，呼吁政府和大众关注环境问题， 要求学生掌握词性的转换，强化 1a 中的语言知识。3a 和 3b 通过图片和简介 来描述不同种类的污染以及带来的危害。在学习这些污染的同时，也兼顾了单 词的重读，句子的连读、停顿及语调 等语言知识。通过学习本课，引导学生 关注环境问题，了解各种污染类别以及带来的危害，树立正确的环保意识。 .Teaching aims 1.Knowledge aims： 掌握本课的重点词汇和短语，正确运用现在完成时进行问答。 2.Skill aims: 能通过观察课文插图来预测课文内容。 能听懂用现在完成时表达的对话。 能朗读和表演有关环保的对话。 能正确运用连读和停顿的技巧，使发音流畅，富有韵律感。 3.Emotional aims: (optional) 引导学生关注环境问题，树立绿色环保意识，增强忧患意识和社会责任感。 4.Culture awareness: (optional) 通过谈论环境问题，让学生了解不同种类的污染及其危害。 . The key points and difficult points 1. Key points: Words and phrases: pain, produce, awful, bear, harmful, chest, editor, breathe/breath, soil, get a pain in, whats worse, too much noise, too many problems, breathing problem, be harmful to, make a mess of, throwaround Sentences: Its difficult for me to breathe. Ive got a pain in my throat. Its really awful. A: How long have you been like this? A: Have you seen a doctor? B: Ive been like this since last week. B: Not yet. Grammar: Present Perfect 的问答。 2. Difficult points： 能在不同语境中，正确判断单词的不同词性。 在朗读中，能正确地把握连读和停顿的技巧。 . Learning strategies 通过 1a，教会学生善于利用插图理解有关污染的对话。 通过 2，训练学生在不同的语境中学会转换词性，并拓展学生的词汇量。 通过 3a，引导学生通过观察图片分析和了解不同的信息。 通过 3b，要求学生掌握连读，停顿的发音技巧，反思自己的发音中的问题。 . Teaching aids 关于污染的图片或者幻灯片 . Teaching procedures Step 1 Warm-up 1. Let the Ss look at the pictures in 3a on page 30. Ask them to pay attention to the types of pollution. T：How many kinds of pollution do you know? Ss: Six. T: What are they S1: Air pollution S2: Water pollution S3: Litter S4: Light pollution S5: Noise pollution 2. Pre-listening Show the picture of soil pollution, teach the new words and check the answers of 3b. Pay attention to the pronunciation, liaison and pause while reading. T: Look at this picture, what kind of pollution is this one? (Lead the Ss to pronounce it.) S6: Soil pollution. T: Right. People use too many chemicals in their fields, /and soil pollution causes unhealthy food. The food is harmful to our health. (Teacher write down the words and phrases on the Bb.) T: Now try to fill in the blanks in 3b with the words and phrases in 3a. T: Now lets check the answer. S1: water pollution S2: air pollution S3: noise pollution T: OK, lets read the sentences together. Pay attention to the pronunciation, liaison and pause. (Teacher can give an example if necessary) Step 2: Lead-in 1. Show a picture of the polluted West Hill, let the Ss listen to 1a once and tick the questions they hear in part A of 1b. Then check the answers together. T: As we know, the West Hill has changed a lot. Look at this picture, what pollution can you find in the picture? Ss: Air pollution, water pollution, noise pollution 2. T: Right. Whatever the pollution is, it is harmful to peoples health. Mrs. Zhou gets apain in her chest because of the bad air. Step 3:Presentation & Practice Now listen to the dialog between Kangkang and Mrs. Zhou and tick the questions you hear to finish part A in 1b. T: OK, lets check the answers. S1: Whats wrong with you? S2: How long have you been like this？ S3: Have you seen a doctor? S4: Have you noticed the dead fish in the river? 3. Get the Ss to listen again and match the questions with the right answers in part B of 1b. Then check the answers together. T: Great. Listen again, match the questions with the right answers in B. 5.Get the Ss to read 1a and answer the questions in 1c. T: Now read 1a by yourselves and answer the questions in 1c. . T: OK, what caused Mrs. Zhous problem? S1: Pollution. The chemical factories produce terrible gas, make too much noise and pour waste water into rivers. T: What will Kangkang do? S2: He will write to the newspaper about the problems. T: Do you have any other ways to solve the problem? S3 Let the Ss read 1a carefully and underline the difficult points including words, phrases and sentences. Then lead the Ss to ask their classmates and teacher for help. Write down the points they cant understand on the Bb. Step 4: Consolidation Lead the Ss to scan the material and choose the correct words to complete the letter in 2. T: Kangkang has written a letter to the newspaper about pollution, but some words are missing. Can you help him finish the letter with the given words? Ss: Yes T: Now lets check the answers together. S1: too many S2: breathe S3: dead T: Great. Youd better pay more attention to the difference between “too many” and “too much”. Use the right forms of the words according to different content. Step 5 :Homework: 1. Read 1a. 2. Read 3a and 3b, paying attention to the stress, pronunciation, liaison and pause. 3. Finish Section B in your workbook. 4. Preview Section C. . Blackboard design Pollution has caused too many problems. Section B Words : breathe,pain,produce, chest,awful, bear, breath, soil, harmful Phrases: have got a pain in, be harmful to, too many, too much Sentences: Its difficult for me to breathe. Ive got a pain in my throat. Its really awful. A: How long have you been like this? B: Ive been like this since last week. A: Have you seen a doctor? B: Not yet.
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