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八年级英语备课组教案
Name Date Period 8
Topic Unit4 Topic 1 Class type new
Teaching aim 1.Learn some new words and phrases: 2. Learn some ways of expressing comparative situations: (1)The air is fresher. (2)I’m much faster than you. (3)I’m a little bigger than you. 3. Learn the comparative and superlative degrees of adjectives. 4.Describe natural resources and realize the importance of environment protection. 5. Love and protect animals in our world.
Important points Learn the comparative and superlative degrees of adjectives.
Difficult points Learn some ways of expressing comparative situations. Love and protect animals in our world.
Teaching steps Section A 备注
Teaching procedure Review 通过复习动物名称导入本课生词及形容词的比较级。 1. (利用图片，复习动物名称，引出新词，导入新课。) (教师出示猫、狗、兔子、牛、马、鸡、羊、鹅等的图片。) T: What’s this in English Ss: It’s a cat/dog/rabbit … T: And what’s this (板书并要求学生掌握。) cow, horse, hen, sheep, goose(geese)
T: Do you like these animals Ss: Yes. / Of course. T: Where can you see them S1: In the zoo. S2: On the farm. T: Yes, we can see the animals in the countryside. (教师教学countryside并板书，要求学生掌握。) countryside
2. (教师引导学生比较城市与农村，并帮助学生说出一些含比较级的句子。) T: We can also see these animals in the city. Do you like the countryside or the city Why S3: I like the city, because the roads are wider, and the buildings are higher. S4: I like the countryside, because the air is fresher, and the sky is bluer. T: Yes, I also like the countryside because the rivers are clearer, and there are also greener trees. People can enjoy the beauties of nature there. (板书并要求学生掌握sky, nature, clear；理解beauty。) sky, clear, beauty, nature
(教师引导学生观察wider, higher, fresher, bluer, greener的变化规则并适当讲解形容词比较级的变化方式。)
Lead-in Show pictures about animals.
Teaching the new lesson 通过学习1a对话及对其内容的复述，让学生体会形容词的比较级的用法。 1. (让学生看1a挂图，观察人物，猜测他们之间的对话内容。听1a录音，回答问题。) T: Look at the picture. Michael and Wang Wei are talking about life in the countryside. Now listen to the tape and try to answer the following questions: Who likes the countryside Why (核对答案。) 2. (再放1a录音，让学生跟读1a，注意语音语调。) T: Listen to 1a and read after the tape. Pay attention to the pronunciation and intonation.
Consolidation 通过对1a的朗读及1b复述，让学生理解形容词比较级的用法。 1. (分角色朗读课文。) T: Now I’ll divide the class into two groups. Group A acts as Michael, and Group B acts as Wang Wei. 2. (根据1a，完成1b。) T: Now finish 1b according to 1a. (核对答案。) 3. (依据关键词复述1b，并根据1b内容绘制一幅乡村图。) T: Wang Wei likes countryside very much. Why Can you help him describe the countryside fresher, bluer, greener, clearer, quieter, the beauties of nature
T: The countryside is very beautiful, can you draw a picture about it Ss: Yes. (两分钟后挑选一些同学展示，对画得好的同学给予表扬。)
Summary The air is fresher. There are also greener trees and clearer rivers. I’m much faster than you. I’m the biggest of all. I’m a little bigger than you, Mr. Horse.
Exercise The first apple is big. The second apple is bigger than the first one. The third apple is the biggest of the three. The second apple is __________ the third one. The first apple is _________ of the three.
Homework Recite 1a Exercise Review the new lesson
Thoughts after teaching
Teaching steps Section B 备注
Teaching procedure Review 通过复习动物名称，讨论喜好。 (让学生分组比赛。用英语描述学过的动物，调动他们学习的积极性，同时复习上节课所学的内容。) T: Now, let’s play a game in groups of ten. If one student can say an animal’s name in English and describe it, he/she will get one score. (教师在黑板上记分。) T: Stop! Group 3 has the highest score. So Group 3 is the winner.(教师给予表扬。)
Lead-in Show pictures about animals and plants.
Teaching the new lesson (通过师生问答，引出生词和多音节形容词比较级，导入新课。) T: From your talk, you seem to like animals, right Ss: Yes. T: But I like plants better. Let me make a survey. Do you like plants or animals, S1 S1: I like animals. I think animals are more interesting. (帮助学生回答。) (板书，让学生观察interesting的比较级形式。) interesting→more interesting
T: Why do you think so S1:Because animals are our friends. They can make us happy. T: Yes, they can give us joy. (教师板书并要求学生掌握。) joy
T: What about you, S2 S2: I like plants better. T: Really Do you like this kind of flower (教师拿出一束玫瑰花或玫瑰花的图片。) S2: Yes. T: What are they Do you know how to say them in English S2: They are roses. (教师帮助学生回答。) (板书，要求学生掌握。) rose
T: Are they beautiful Ss: Yes, they are. T: And I think roses are the most beautiful of all the flowers. (板书并让学生观察beautiful的最高级形式。) beautiful→most beautiful
T: (对着S3) Do you like plants or animals S3:Both animals and plants, because they are important to us. T: What about you, S4 S4:I like cats best, because they are more lovely than other animals. (板书，让学生观察lovely的比较级。) lovely→more lovely
T: I agree with the students above. So we must share the same world with plants and animals. (板书并要求学生掌握。) above, share … with …
通过听录音和理解对话，让学生体会多音节形容词的比较级和最高级的变化规则。 1. (听1a录音，理解对话并回答问题。) T: From your answers, I know some students like animals, and some students like plants. What do Wang Wei, Michael and Maria like And why do they like them Now listen to the tape, and then answer my questions: (用小黑板呈现听力问题。) (1)What do Wang Wei, Michael and Maria like (2)Why do they like them
2. (再听1a，完成1b。) T: Very good. Now let’s listen to 1a again and match the people with the things they like and their reasons in 1b.
Consolidation 通过朗读，表演对话和对多音节形容词比较级及最高级的练习，使学生能灵活地运用多音节形容词比较级和最高级。 1. (学生先自读1a，然后听录音核对语音语调，注意关键词。) T: Please read 1a by yourselves, then listen to the tape. Pay attention to the pronunciation, intonation and the key words. 2. (分角色表演，训练学生的交际能力。) T: Please role-play the dialog according to 1a. Then I’ll let some of you act it out in the front. (挑选几组学生到前面表演。评出最佳表演组。) 3. (根据1b提供的单词和短语，复述课文内容。) T: Boys and girls, let’s retell the dialog. You can begin like this: Wang Wei is talking about animals and plants. He says he likes plants better. He thinks roses … 4. (对话练习，学会描述动物和植物。练习形容词比较级和最高级句式，完成1c。) (让学生看1c，先了解要操练的句型。) T: In 1a, we know how to use comparative and superlative degrees of adjectives. Now let’s practice them. Please look at the sentence patterns in 1c.
Summary Which kind of animal do you like better, … or … Which kind of plant do you like best, …, … or … Because it’s more friendly… Because they’re the most interesting… share … with …
Exercise 1. Insects are smaller than birds and they f_____ on plants. 2. People like r_____ a lot, because they usually stand for love. 3. Many people are afraid of s________. Because they are dangerous.
Homework Recite 1a Exercise Review the new lesson
Thoughts after teaching
Teaching steps Section C 备注
Review 通过讨论对动植物的看法，复习形容词比较级和最高级形式。 1. (师生互动示范，然后让学生表演对话，复习描述动物和植物。) T: Hello, S1, do you like plants or animals S1: I like animals better. T: Why S1: Because animals are our friends. They give us joy. They are very friendly to us. T: Well done! S2, do you like plants or animals S2: I like plants better. T: Why S2: Because plants are very important to us. They are useful. T: Now, class, please practice the dialog like this, OK (学生两人一组练习对话。然后找几组学生表演。）
Lead-in Talk about the animals and plants
(头脑风暴，引出新知识。) T: Now, please say some animals and plants as many as you can. Ss: … T: Where can you see animals and plants S3: On the farm. S4: In the zoo. S5: In the forest.(教师帮助学生用英语说出forest。) T: Very good. In a forest, there are many animals and plants. Today we’re going to learn a special forest. It often rains and it is very wet. It is a rainforest. (板书并要求学生掌握forest；了解rainforest。) forest, rainforest
(教师通过多媒体展示热带雨林的图片，引出并学习生词及比较级+and+比较级的用法。) T: It’s a picture of rainforests. They cover 6% of the earth’s surface. Thousands of animals live there. It’s always dark, hot and wet in rainforests. They can help to control the climate. They give us wood, rubber, fruit, medicine and so on. They are very important to us, but they are becoming smaller and smaller, so we must protect them well.
Teaching procedure Teaching the new lesson (教师边说边用多媒体呈现短语及生词，并要求学生掌握；理解climate， 同时帮助学生理解并掌握smaller and smaller的用法。) cover, earth, surface, thousands of, dark, control, climate, wood, rubber, smaller and smaller, protect
听录音并阅读短文内容，培养学生的听力和阅读能力。 1. (听1a录音，了解课文内容并回答问题。) T: Most students want to know more about the rainforests. Please listen to the tape and answer the following questions: (1)What cover 6% of the earth’s surface (2)Can rainforests help to control the climate
(核对答案。) 2. (教师播放1a录音，学生跟读两遍，注意语音语调。) T:Read after the tape twice. Pay attention to the pronunciation and intonation, and underline the key words.
Consolidation 通过对短文的理解，完成1b、1c，并根据关键词对其进行复述。培养学生综合运用语言的能力。 1. (阅读1a，完成1b。) (教师让学生猜测句子中main的意思，板书并要求学生掌握。) main
T: Now please read 1a and finish 1b. 2. (再读1a，完成1c。) T: Read 1a again and write down the importance of rainforests. T: Class, can you give us your answer S1: Make the air fresher. S2: Control the climate. S3: Give us wood, rubber, fruit, medicine and so on.
Summary But, now, rainforests are becoming smaller and smaller … Water is necessary for all plants. They can’t live at all without water. Fill the hole with earth.
Exercise Don’t swim in this l______. It’s dangerous. We should p_______ the wild animals. In f______, he can’t speak English at all. Please s______ every drop of water. It’s d_____ here. Please turn on the light.
Homework Recite 1a Exercise Review the new lesson
Thoughts after teaching
Teaching steps Section D 备注
Teaching procedure Review 通过复习形容词比较级和最高级，提高学生运用语言知识的能力。 (通过对话，复习本话题中的重要句型。) T: Hello! S1, do you like the countryside or the city S1:I like the countryside. T: Why S1:Because the air is fresher, the sky is bluer, and there are also greener trees and clearer rivers. Hello! S2, do you like the countryside or the city (学生用接龙形式操练此句型。) T: Most of us like the countryside better. Do you like plants or animals S3:I like the animals. T: Which kind of animal do you like best S3:I like dogs best. T: Why S3:Because they are more friendly than other animals. (教师示范后，找两组学生进行表演。) T: According to your talking, I know some students like animals better, and some students like plants better. Now who can tell us something about rainforests S4, please. S4:Rainforests cover 6% of the earth’s surface, …
Lead-in Enjoy pictures about animals in danger.
Teaching the new lesson 通过对熊猫、蓝鲸、华南虎生活状况的了解，培养学生的阅读理解能力，增强保护野生动物的意识。 1. (教师出示熊猫、蓝鲸、华南虎的图片，引出生词。) T: Well done! I have some wild animals’ pictures here. Can you tell me their names Ss: Yes, they are pandas, tigers and … T: Good, they are pandas, blue whales and Chinese tigers.(对于学生说不出的生词，教师给予补充。) (板书并要求学生掌握whale；理解wild。) wild, whale
T: (出示熊猫的图片。)Where do pandas live Ss:They live in the forests and mountains. T: Right, they live in the forests and mountains of Southwest China. (板书并要求学生理解。) southwest
T: What do pandas feed on Ss:They feed on bamboo.(出示竹子的图片帮助学生回答。) (板书并要求学生掌握。) bamboo
T: Pandas are becoming fewer and fewer in number because they have less and less land to live on. (板书并要求学生掌握。) land
T: (出示蓝鲸的图片。)Are blue whales the largest animals in the world Ss: Yes, they are. T: Where do they live Ss: They live in the ocean. T: What do they feed on Ss: They feed on the smallest sea animals. T: Where do the Chinese tigers live Ss:They live in the south of China.(帮助学生回答。) (板书并要求学生掌握south；理解Chinese tiger。) Chinese tiger, south
T: Their number is getting smaller and smaller, too. They are in danger, because people kill lots of them. Why do people kill them Ss: They kill them for money. T: Right. People kill them for their fur and bones. (板书并要求学生掌握in danger, kill；理解fur, bone。) in danger, kill, fur, bone
T: Pandas, blue whales and Chinese tigers are all wild animals. Can you name other wild animals Ss:Yes, monkeys, bears, wolves. (板书并要求学生掌握。) bear, wolf
T: What do you think of blue whales, pandas and Chinese tigers Ss:We like them very much. 2. (让学生读短文，回答问题。) T: Do you want to know more about them Please read the passage and answer the questions in 1.
Consolidation 通过复述短文内容，增强学生保护动物的意识。 1. (让学生听1录音，写出关键词。) T: Listen to the tape and write down the key words. (板书) pandas: forests and mountains, bamboo, less and less land, fewer and fewer blue whales: ocean, largest and heaviest, sea animals, kill, ocean water, dirtier Chinese tigers: south, oldest type, small animals, fur and bones, in danger
2. (让学生根据关键词复述课文。) T: Please retell the text according to the key words. (两分钟后找几位学生复述。) 3. (让学生通过分组讨论，增强保护动物的意识。) T: There are many wild animals in danger, such as bears, wolves and pandas. Can you think of more What should we do to protect them Discuss in groups.
Summary give sb. joy They have less and less land to live on. make up Pandas are becoming fewer and fewer in number. share … with … They are the oldest type of tigers living in the world. in danger
Exercise Fill in the blanks with the proper forms of words given below. ①Jim is _______(tall) than Tom. ②Peter is the _______ (tall) student of the six students. ③Michael is the_______(fast) swimmer of all the students. ④Kangkang’s drawing is ________ (beautiful) than Jane’s. ⑤Sally’s English is the __________(good) in her class.
Homework Exercise Review Preview Unit 2
Thoughts after teaching

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