Unit 2 Topic 1 Pollution has causes too many probSection A（教学课件）2025-2026学年仁爱科普版（2012）英语九年级上册

仁爱版 九年级第一学期 Topic 1 Pollution has caused too many problems. Section A Unit 2 Saving the Earth 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 Let's enjoy a short play! 1. Can you guess what kinds of animals there are in the play? 2. What does the play mainly talk about? As a matter of fact, we share the same world with animals and plants. However, with the development of economy and the increasing population, pollution is here and there, and it has caused too many problems. 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 3 A. Listen to the sentences and number the pictures. 5 3 2 1 4 6 1. People _ _ _ too many trees, so I don’t have enough leaves to eat. 2. I live in trees but now many trees _ _. 3. I like leaves and grass, but now they _ _. 4. I _ _ hungry for months because of less bamboo. 5. Human polluted the sea, so I _ _ _. 6. The water _ _ many years ago. But it _ _ _ for me to live in now. B. Listen again and complete the sentences. have cut down have gone have disappeared have been don’t live happily was clean is too dirty 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 Two years ago, our friend Kangkang went to the West Hill for an unforgettable trip. He took many pictures. Let's go into a wonderful world with him. What is in the picture? The bees and butterflies are dancing. bee butterfly There are some bees and butterflies. What are they doing? 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 There be+ sb/ sth + doing sth 意为:有某人、某物正在做某事 There are some birds singing. There are beautiful butterflies dancing. There is a bee flying. There are some fish swimming in the stream. 。 There be…doing sth… ……有……在做某事 e.g. There are some people waiting for the bus at the bus stop. e.g. There are some children having a picnic in the park. 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 a place with a clear stream green trees beautiful flowers and grass fresh air and blue sky lovely bees and butterflies How beautiful it is! chemical factories waste water pour...into... ['kem k( )l] 化学的 废弃的 把...倒入 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 What has happened there? There are several chemical factories pouring waste water into the stream. The flowers and grass have gone! = have disappeared Oh! My goodness! What a mess! What a shame! Do you want to have a picnic here? Pollution is terrible. It is harmful to our health. =is bad for 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 1. It was a _. 2. There were _. 3. The air was _ and you could see _. 1. _ have gone. 2. The water is _and smells _. 3. There are several _ pouring _ into the stream. 4. _has changed. beautiful place lots of flowers and grass fresh and the water was clean bees and butterflies dancing The flowers and grass so dirty terrible chemical factories waste water Everything Listen to 1a carefully and fill in the blanks in 1b. Read 1a twice by yourselves, then practice 1a in groups. 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 Work in groups. Try to retell 1a with the key words below. beautiful-fresh clean-dancing gone-dirty- terrible-mess chemical-pour-waste 2 Work in pairs. Look at the pictures and make up conversations similar to the example with your partner. Example: A: There were lots of flowers and grass when I visited the village last year. B: But now the flowers and grass have gone. A: What has happened here? B: The villagers have destroyed them. lake/fish factory/ pollute hill/ trees farmers/cut down village/flowers and grass villagers/destroy 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 summary We learn: 1. Express exclamation: What a mess! What a shame! Oh, my goodness! 2. Know the differences between Simple Past and Present perfect. It was a beautiful place. Everything has changed. We can: 1. Some words: bee, butterfly, mess, shame, several, pour, waste, destroy, pollute, goodness 2. Some phrases: see sb. doing sth. pour…into.. 3. Some sentences: There are…doing… Homework 1. Read 1a. 2. Write a passage according to Part 4. 3. Finish Section A in your workbook. 4. Preview Section B. 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 4 Work in groups and talk about pollution in a place you are familiar with. The following sentences may help you. …ago, it was… Now, … have/ has gone. What has happened? Everything has changed. Oh, my goodness! Exercises 单项选择 ( ) 1. Look! There are some boys _ on the playground. A. play football B. are playing football C. playing football D. plays football ( ) 2. — I’m sorry I can’t go shopping with you. I am ill. — _ A. What a mess! B. What a shame! C. What a pity! D. B and C ( ) 3. — Don’t _ water. We must save every drop of it. — Sorry, I won’t do it again. A. waste B. throw C. play D. leave C D A 提升英语综合素养需要科学策略,成功学习者都,制作海报能有效促进创新思维。高效学习英语,整理错题笔记能有效增强分析能力。此外需要交替学习不同技能效果更佳。最佳实践是,写书评能有效培养自学能力。提升效率需要,参加英语社团能有效增强动机。关键点在于,交替学习不同技能效果更佳。跨文化交际需建学习博客能有效加强逻辑思维。延伸建议,将学习融入日常生活场景。坚持科学训练语言素养自然会逐步提升。 Exercises 用所给动词的适当形式填空。 1. When I entered the room, I saw Maria _ (read) a Chinese book. 2. What a shame! The flowers and trees in the park _ (go). 3. Everything _ (change) in the past few years. 4. Pandas don’t have enough bamboos _ (eat) now because of the pollution. 5. — Where have they been? — They _ (be) to the Great Wall. They _ (have) a good time there the day before yesterday. reading have gone has changed to eat have been had THANK YOU $