Unit4 Topic1 Section C 课件2024-2025学年仁爱科普版英语八年级上册

rainforest [ˈreɪnfɒrɪst ] n.（热带）雨林 thick [θɪk] adj.茂密的；厚的；浓的 forest [ˈfɒrɪst] n.森林 ground [graʊnd] n.地，地面 wet [wet] adj.湿的，潮湿的 cover ['kʌvə] v.覆盖，遮盖；掩盖 n.盖子；罩 earth [ɜːθ] n.地球；土，泥；大地 surface [ˈsɜːfɪs] n.表面 New words 1 thousands of 成千上万，几千 nowhere [ˈnəʊweə] adv.无处，哪里都不 control [kənˈtrol] v.&n.控制 climate [ˈklaɪmɪt] n.气候 die [daɪ] v.死，死亡 die out 灭绝；消失 wood [wʊd] n.木头,木材；(pl.)树木，森林 reason [ˈriːz(ə)n] n.原因，理由，解释 v.推理，推断 protect [prə'tekt] v.保护 1 What's the strongest animals on the farm? Unit 4 Topic 1 >>> Section C By the end of the class, you are able to master some new words and phrases related to rainforests improve your reading and writing skills protect rainforests and the environment Learning objectives Lead-in rain forest rainforest Lead-in wet many trees 1 Rainforests are ______________ of the world. Where are rainforests? in the hot parts Lead-in 1 Rainforests _____ 2% of the earth’s _______. cover surface 1 Predication 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? 1 Rainforests 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 nowhere 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. 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 fbr many reasons. But now, rainforests are becoming smaller and smaller, so we should protect them. Skimming Find out the topic sentence and give the main ideas of each paragraph. Features of rainforests Importance of rainforests 11 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 2% surface plants animals fresher cleaner hold cycling climate nature wood food medicine Scanning 1 Careful reading (Para.1) Rainforests 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 2% of the earth's surface. They provide places to live for thousands of plants and animals found nowhere 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. 1. How many animals are living in rainforests? 2. Where do animals live in rainforests? Features of rainforests Careful reading (Para.2) 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. Importance of rainforests 1.Why are rainforests the lungs of the earth? 2. Why should we protect rainforests well? 3.What can we get from rainforests? （地球之肺） Careful reading (Para.2) 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. Importance of rainforests Can you guess what the next part of the passage will talk about? The last sentence in a paragraph may tell you what comes next. Yes. The next part may talk about what we should do to protect rainforests. But now, rainforests are becoming smaller and smaller, so we should protect them. Why are rainforests becoming smaller and smaller? 1 3 2 4 Discussion 1 Cut too many trees Waste of resources（资源浪费） Forest Fire Soil pollution（土壤污染） 1 We should protect them! 1 ask people to stop cutting How to protect rainforests? Discussion 2 show and tell people about... save paper in our daily life encourage people to plant more trees 1 Rainforests are very important to us. It is necessary for us to protect them very well. Then how can we protect them? Here is my advice. Body Ending Beginning What should we do to protect rainforests ? It’s our duty to protect rainforests well. If you follow my advice, our life will be better and better. Let's protect rainforests from now on. Writing (Linking words) First, ... Second, ... Third, ... Last, ... 1 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. Second, we can ask people not to cut down the trees. Third, when we have meals, we mustn’t use chopsticks for only once. Last, we should use less paper and be sure not to waste it. As long as everyone does something, rainforests will be better. Writing 1 The harder you study， the better you will be! Wish you'll be better and better! 1 Homework 1. Complete Section C in your practice book. 2. Write a essay about how to protect rainforests with linking words. 1 THANKS FOR YOUR LISTENING! >>> Language points Rainforests 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 2% of the earth's surface. They provide places to live for thousands of plants and animals found nowhere 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. “很；非常；常常” 作副词短语，在句中作程度状语。 1 Language points Rainforests 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 2% of the earth's surface. They provide places to live for thousands of plants and animals found nowhere 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. cover作动词时，意为“覆盖，遮盖；掩盖” cover...with... 用....遮盖 be covered with... 被...遮盖 eg. 这座山终年被积雪覆盖。 The mountain is covered with snow all the year round. cover作名词时，意为“盖子，覆盖物；封面”。 eg. 这本书的封面很漂亮。The cover of the book is very beautiful. 1 Language points Rainforests 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 2% of the earth's surface. They provide places to live for thousands of plants and animals found nowhere 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. provide (vt.) “提供” provide sb with sth = provide sth for sb 为某人提供某物 eg. Smith先生为我们提供食物。 Mr. Smith provided food for us. = Mr. Smith provided us with food. 1 Language points Rainforests 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 2% of the earth's surface. They provide places to live for thousands of plants and animals found nowhere 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. thousands and thousands of “成千上万的” hundred, thousand, million, billion ①当表示不确定数目时，常用复数形式，后跟介词of。如hundreds of “数以百计的” ②当与具体数词连用时，不能加s，如three thousand “三千” 1 Language points 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. play a part in (doing) sth (在某事中)起作用； 参与(某事) play an important part in 起重要作用 play an active part in 积极参加 eg. Alice 积极参与班级活动. Alice plays an active part in class activities. 1 Language points 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. control (v.) “控制” control sb/sth 控制某人/物 control oneself 控制某人自己 (n.) “控制” beyond one’s control 超出某人的控制 out of control 失去控制 1 Language points 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. die (v.)死亡；消失 dead (adj.)死亡的 dying (adj.)垂死的；即将死亡的 death (n.)死亡 die of 死于 【自身原因：疾病、衰老等】 die from 死于【外部原因：事故、环境等】 1 Language points 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. smaller and smaller ‘越来越小” 形容词比较级+ and+ 形容词比较级 “越来越….” eg. 天气越来越暖。 It’s getting warmer and warmer. the + 形容词比较级； the +形容词比较级 “越….; 就越…” eg. 你吃越多的巧克力，你就会变得越胖。 The more you eat chocolate, the fatter you will be. 1 Language points 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. “保护某物/某人免于…的伤害” protect sth/sb from (doing) sth keep stop prevent 1 雨林是生长在世界上热带地区的茂盛森林。降雨量很多，地面通常都是湿的。雨林中又热又暗。雨林覆盖了地球表面2%的面积。它们为无数地球上其它地方没有的动植物提供了栖息地。那里有很多高大的树木和其它不同的植物。有无数动物居住在雨林中。它们生活在30米多高的树上。 雨林对我们很重要。它们是地球的肺。雨林中的植物让空气更新鲜更洁净。下雨时还能存储水分、促进水循环。它们在控制气候方面扮演者重要的角色。雨林还能保存自然美。如果没有雨林，很多漂亮的动植物都会灭绝。雨林为我们提供木材、食物、水果、药材和很多其它有用的东西。有很多原因让我们离不开雨林。但是现在，雨林变得越来越少，我们必须要保护它们。 Translation 1 null 163534.67 Lavf57.62.100 Lavf57.62.100 $$