U4T1SC仁爱英语八年级上册

1 Unit 4 Our World Topic 1 Plants and animals are important to us Section C The main activities are 1a and 2a 本课重点活动是 1a 和 2a Teaching aims and demands 教学目标教学目标 1 Learn some new words and phrases cover earth surface thousands of dark forest control wood rubber protect main fact in fact make up lake sea ocean drop on earth hole fill fill with dig deep 2 Learn some useful sentences 1 Water is necessary for all plants 2 They can t live at all without water 3 Go on learning comparative and superlative degrees of adjectives 1 The plants in the forests help to make the air fresher 2 But now rainforests are becoming smaller and smaller 3 Water makes up the largest part of the human body 4 Describe natural resources and realize the importance of environment protection 1 They also help to control the climate 2 Rainforests give us wood rubber fruit medicine and so on 3 It is important to all living things We must save every drop of water Teaching aids 教具教具 录音机 多媒体 小黑板 植树过程的图片 Five finger Teaching Plan 五指教学方案五指教学方案 Step 1 Review 第一步第一步 复习复习 时间 10 分钟 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 导入本课新词 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 2 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 2 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 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 学生熟读单词后 再看图片并回答教师提出的问题 T What are they Ss They are rainforests T How large are the rainforests Ss They cover 6 of the earth s surface T What s in the rainforests Ss Thousands and thousands of animals live there T What can we get from the rainforests Ss We can get wood fruit medicine rubber and so on T Are they important to us Ss Yes they are T What should we do then 3 Ss We should protect them well T Good I hope rainforests will become larger and larger Do you want to know more about rainforests Ss Yes T Let s learn Section C together Step 2 Presentation 第二步第二步 呈现呈现 时间 8 分钟 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 出示小黑板 1 What cover 6 of the earth s surface 2 Are there thousands of different plants and lots of trees in rainforests 3 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 并画出关键词 T Read after the tape twice Pay attention to the pronunciation and intonation and underline the key words 板书 Paragraph 1 cover 6 animals live in thousands of dark wet Paragraph 2 important lungs help to make control wood rubber smaller protect Step 3 Consolidation 第三步第三步 巩固巩固 时间 8 分钟 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 核对答案 2 再读 1a 完成 1c T Read 1a again and write down the importance of rainforests 核对答案 T Class can you give us your answer S1 Make the air fresher 4 S2 Control the climate S3 Give us wood rubber fruit medicine and so on 3 根据黑板上的关键词 用接龙的形式复述短文 Example T Now please retell the passage one by one according to the key words S4 Rainforests cover 6 of the earth s surface S5 Thousands and thousands of animals live in rainforests S6 Step 4 Practice 第四步第四步 练习练习 时间 14 分钟 通过对四幅图片的描述 让学生认识到水是一种重要的资源 所有生物都离不开水 培养 学生节约用水的意识 1 师生对话 引出生词导入 2a T Rainforests are very important to us What do you think of water Ss It s very important to us too T What do humans need water to do Ss We need water to drink to cook and to clean T Yes In fact water makes up the largest part of the human body 板书并要求学生掌握 fact in fact make up T Water covers most parts of the earth It s in rivers seas lakes and oceans 板书并要求学生掌握 sea lake ocean T All plants and animals need water that is to say water is important to all living things so we must save every drop of water 板书并要求学生掌握 drop 2 学生读 2a 独立完成 2b 教学 on earth 并要求学生掌握 T There is more information in 2a Read it and finish 2b 核对答案 3 学生跟读 2a 短文 注意语音和语调并画出关键词 T Listen to 2a and follow Pay attention to the pronunciation and intonation Underline the key words 板书 plants need is necessary for animals plenty of live without humans drink cook clean makes up 5 water covers lakes rivers seas oceans living things save drop 4 让学生根据关键词复述短文 T Retell the text using the key words on the blackboard 两分钟后选出几名学生到前面复述 5 通过完成 3 使学生知道怎样植树 培养学生的环保意识 1 T We know water is important to all living things Trees are important to us too So we should plant more trees to improve our environment Then how to plant trees Now look at the pictures and match them with the sentences in 3 教师用幻灯片出示事先准备好的植树过程的图片和 3 中的内容 让学生把图片与句子 搭配 同时让学生猜测句中 hole fill fill with dig deep everything 的意思 板书并要求学生掌握 hole fill fill with dig deep everything 2 让学生独立完成 3 核对答案 Step 5 Project 第五步第五步 综合探究活动综合探究活动 时间 5 分钟 通过讨论水的重要性 使学生增强保护有限水资源的意识 1 讨论有关水的问题 T Just now we talked about the importance of water Next please discuss the following que