Unit 4 Our World Topic 1 课时课件 2024-2025学年仁爱科普版英语八年级上册

Unit 4 Our World Topic 1 What’s the strongest animal on the farm? Section A 1a Michael: Hey, Wang Wei, what are you thinking about? Wang Wei:Oh, I'm thinking about life in the countryside. Michael: Do you like the countryside? Wang Wei:Yes, I like it very much because the air is fresher, the sky is bluer and the rivers are clearer there. Michael: I think the countryside is much quieter than the city, too. People can enjoy the beauty of natrue there. Wang Wei:My grandma lives in the countryside and I go there for my summer holiday every year. Michael: That must be fun! 1a Michael: Hey, Wang Wei, what are you thinking about? Wang Wei:Oh, I'm thinking about life in the countryside. Michael: Do you like the countryside? Wang Wei:Yes, I like it very much because the air is fresher, the sky is bluer and the rivers are clearer there. Michael: I think the countryside is much quieter than the city, too. People can enjoy the beauty of natrue there. Wang Wei:My grandma lives in the countryside and I go there for my summer holiday every day. Michael: That must be fun! 1b _ fresher _ busier _ bluer _ taller _ bigger _ clearer _ nicer _ quieter _ noisier Wang Wei likes the countryside very much because he thinks the air is _, the sky is _ and the rivers are _ there. Michael thinks the countryside is much _ than the city, too, so people can enjoy the beauties of nature. Wang Wei goes to the countryside every year for his summer holiday. fresher bluer clearer quieter 1c. countryside The air is fresh. The sky is blue. The trees are green. The river is clear. It’s quiet in the countryside. The air is dirty. The river is dirty. city The buildings are tall. The roads are wide. The traffic is busy. It’s noisy in the city. clearer The air in the countryside is _ The sky in the countryside is _ The river in the countryside is _ The trees in the countryside are _ than those in the city. It’s _ in the countryside than in the city. than that in the city. greener quieter fresher bluer Listen to the conversation and fill in the blanks. 2a One day, the children were visiting a farm. Adjective strong tall nice brave Comparative stronger nicer Superlative strongest nicest Adjective big fat thin lazy ugly Comparative bigger lazier Superlative biggest laziest 2b Study the rules carefully and complete the table. 单音节及部分双音节形容词比较级(- er)和最高级(- est)的规则变化。 1. 一般在词尾直接加er/est: tall—taller—tallest 2. 以e 结尾的单词去e加er/est: wide—wider—widest 3. 以辅音字母加y结尾的单词,把y改成i, 再加 er/est : busy—busier—busiest 以重读闭音节结尾,且末尾只有一个辅音字母的单 词,双写末尾的辅音字母,再加er/est : big—bigger—biggest , (fat, thin, red, hot) Adjective strong tall nice brave Comparative stronger nicer Superlative strongest nicest Adjective big fat thin lazy ugly Comparative bigger lazier Superlative biggest laziest taller tallest braver bravest fatter fattest thinner thinnest uglier ugliest 2b Study the rules carefully and complete the table. Look at the picture and choose the correct word for each animal. Then make conversations with the adjectives in 2b. Pair work 3 horse pig cow cat sheep mouse hen goose duck dog rabbit Example : ( One day, the animals on the farm were talking.) Dog : I’m the strongest on this farm. Rabbit : I don’t think so. The pig is stronger than you . Dog : Ha! Ha ! He is lazier than me . … 1. The comparative and superlative degrees of adjective. 形容词比较级、最高级的规则变化 及用法。(-er/est) 2. Talking about animals and describing nature. summary Unit 4 Our World Topic 1 What’s the strongest animal on the farm? Section B What does each of them like better ? Now watch the flash of 1a, and finish 1b. 1a the nicest of all beautiful cuter Match the people with the things they like and their reasons. 1b friendlier As we know, plants and animals are important to us. be important to sb. 众所周知 Key points We share the same world with them. share … with … 与……分享…… Eg: They are sharing a piece of long bread. They often share beautiful music with each other. Which do you like better, plants or animals? like … better 更喜欢…… I like apples better. I like cats best. like … best 最喜欢…… I like bananas best. 1c Read 1a and fill in the blanks. Then report the passage to your partner. Wang Wei likes _ better and he thinks roses are the _ of all the flowers. Michael likes _ better because he thinks they are _. They make us happy. Jane likes _ best because they are _ than other animals. Maria likes _ because they are _ and they can _ to us. Kangkang likes both _ and _ because they are both _ to us. We _ the same world with them. plants nicest animals friendlier cats birds beautiful sing plants animals important share cuter Check your sounds Look at the pictures and write down the words according to the sounds. Then listen and check the vowels and stress. / frDg / _ / ‘Insekt / _ / sneik / _ frog insect snake 3 / fDks / _ / gu:s / _ / kau / _ / i:p / _ fox goose cow sheep 4a Read the pairs of words and pay attention to the difference between / r / and / l / . /r/ - /l/ : poor — pull door — doll or — all here — hill 4b Read the conversations and pay attention to the pause in each sentence. Then read after the tape and imitate. A: Which kind of animals do you like better, / frogs or snakes? B: I like frogs better / because they are more useful. 2.A: What about you, / Maria? B: I like birds./ They are beautiful, / and they can sing to us. 3. A: Do you like the countryside? B: Yes, / I like it very much / because / the air is fresher, the sky is bluer/ and the rivers are clearer there. You often pause when you see a comma or finish a sense group. Talk about plants and animals in nature. 2. Useful expressions: like better like best share … with …; give … joy feed on; be important to summary Unit 4 Our World Topic 1 What’s the strongest animal on the farm? Section C Look and guess ! Look at the pictures and check which questions the passage can answer. What are rainforests? How many animals are living in rainforests? Where do animals live in rainforests? What can we get from rainforests? Why are rainforests important to us? 1a Rainforests Rainforess are thick forests in the hot parts of the world. It rains a lot and the ground is always wet. It's always dark and hot in rainforests. Rainforests cover 6% of the earth's surface. They provide places to live for thousands of plants and animals found nowwhere else on Earth. There are lots of tall trees and other different kinds of plants. Thousands and thousands of animals live in rainforests. Many of them live in the trees over 30 meters from the ground. 1a Rainforests are very important to us. They are the lungs of the earth. The plants in the forests help to make the air fresher and cleaner. They also help to hold the water when it rains and keep the water cycling. They play an important part in controlling the climate. Rainforests also help to keep the beauty of nature. Without rainforests,many beautiful plants and animals would die out. Rainforests give us wood, food fruit, medicine,and many more useful things. We need rainforests for many reasons.But now, rainforests are becoming smaller and smaller, so we should protect them. Listen to 1a and complete the table. Then check with your partner. Feature of rainforests in the _ parts of the world _ ground and always _ and _ in them cover _ of the earth’s _ give a home to many beautiful _ and _ Importance of rainforests make the air _ and _ _ the water and keep the water_ control the _ keep the beauty of _ give us _, _, fruit, _ and so on hot wet dark hot 6% surface plants animals fresher cleaner hold cycling climate nature wood food medicine 1b 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 1c Read again and answer the questions. What does the word “cover” mean in Paragraph 1 ? Why are rainforests the lungs of the earth ? It means “覆盖”. Because the plants in the forests help to make the air fresher and cleaner. 1c Read again and answer the questions. 3. Why should we protect rainforests well ? 4. Can you guess what the next part of the passage will talk about ? Because they help to hold the water and keep the water cycling. They play an important part in controlling the climate. Yes. The next part may talk about what we should do to protect rainforests. The last sentence in a paragraph may tell you what comes next. 1c Read again and answer the questions. 5. What should we do to protect rainforests ? We should save paper and mustn’t use the chopsticks for only once. Rainforests cover 6% of the earth’s surface. six percent Key points 数词 % + 可数名词复数 可数名词单数 / 不可数名词 Eg: 50% of the students in our class are boys. 70% of the earth is water. 成千上万的 成百上千的 成百万上千万的,数以百万计的 hundreds of millions of Thousands and thousands of animals live in rainforests. 3. Many of them live in the trees over 30 meters from the ground. over = more than 多于, 超过 eg: Our class has _ 50 students. 4. They play an important part in controlling the climate. play an important part ( in sth.) 在某事中起重要作用; 参与(某事) Eg: 他积极参加班级活动。 He _ class activities. over/more than plays an active part in 5. But now rainforests are becoming smaller and smaller. “形容词比较级 + and + 形容词比较级” 越来越…… Eg. 天气变得越来越暖和了。 The weather gets warmer and warmer. 中国变得越来越强大。 China becomes stronger and stronger. 越来越小 Group work Discuss the pictures in groups about how to protect rainforests. Then write a short passage. show and tell people about … do anything we can,such as … ask people not to … ask people not to cut … Let’s plant … You can write like this : Example : Rainforests are very important to us. It is necessary for us to protect them very well. First, we should make people know about the importance of protecting them. Then ask people not to cut down the trees without plans. For us, we should do something as possible as we can. When we have meals, we mustn’t use chopsticks for only once. In the life, use less paper and be sure not to waste it. 1. Learn to describe the situation of rainforests and the importance to the earth. 2. Talk about how to protect rainforests. 3. useful phrases: thousands of control the climate over = more than play an important part ( in sth.) smaller and smaller summary Unit 4 Our World Topic 1 What’s the strongest animal on the farm? Section D Read Paragraph 1 and fill in the blanks. Pandas live in the _ and _ of Southwest China. They _ _ bamboo. But now they have _ _ _ land to live on. So pandas are becoming _ in number. forests mountains feed on less and less fewer Read Paragraph 2 and fill in the blanks. The _ animals in the world are not elephants. They are blue whales. They are the _ but they feed on the smallest sea animals. Now they are _ _ because some people make their _ _ dirty and others _ whales for their meat. heaviest largest in danger ocean home kill Read Paragraph 3 and fill in the blanks. Chinese tigers live in the _ of China. They are also _ _ now. they are the _ _ _ tigers in the world and they eat small animals. Some people kill tigers for their _ and _. south in danger oldest type of fur bones Listen to 1 and complete the table on Page 88. Animal What they feed on Where they live Why they are in danger They have less and less land to live on. blue whales Chinese tigers in the south of China bamboo in Southwest China smallest sea animals in the ocean Some people kill them and make the ocean water dirtier. small animals Some people kill them for their fur and bones. 1 pandas = the southwest of China 中国西南部 Pandas live in the forests and mountains of Southwest China. Key points north east southeast southwest northeast northwest south west 2. Now they are in danger because some humans kill whales and make the ocean water dirtier. 处于危险状态 3 . They are the oldest type of tigers living in the world. 后置定语 Eg. 你认识正在和我们英语老师谈话的那个男孩吗? Do you know the boy talking to our English teacher? The air is _, the sky is _ and the rivers are _ there. I think the countryside is _ the city, too. I think the sheep are the _ of all. The pigs must be the _ and _ animals on the farm. What’s the strongest animals on the farm ? But now, rainforests are becoming _ . Grammar Comparative and superlative degrees of adjectives ( ) fresher bluer clearer quieter than nicest fattest laziest smaller and smaller Functions _ do you like _ , plants or animals ? I like animals _. _ do you think so ? Because animals are our friends. They _ us happy. We _ the same world _ them. People can enjoy the _ of nature there. Which better better Why make share with beauties $$