Unit 4 Section B (1a～1f) 课件 2026-2027学年人教版英语八年级上册

Unit4 Amazing Plants and Animals SectionB (1a-1f) 1 Learning Objectives 01 02 Learn to use the superlatives to describe bees. Discuss the connection between plants, animals, and our lives. 03 Explore why plants and animals are important to us. Lead in Let’s watch a video! Leading in What animal comes to your mind? honey n. 蜂蜜 Look at the title and the pictures below. Guess what the text is about. 1a Pre-reading We Can’t Live Without Bees The importance of bees The connection between humans, plants and bees /kəˈnekʃn/ n.关联 Today we are going to learn text about bees.let us make w pridection before reading Pre-reading Look at the title and the pictures below. Guess what the text is about. 1a without /wɪˈðaʊt/ prep. 没有；缺乏 Lead-in It’s about the importance of the bees. 6 Fast-reading 1 Read the text quickly and answer the questions. 1. What kind of text do you think it is ? A. Expository text (说明文) B. Argumentative text (议论文) C. Narrative text (记叙文) 2. Who are the target reader ? A. Just professional scientists. B. People who like nature, biology or want to know about bees’ importance. C. Only little kids under 6. √ √ Skimming Match the main idea with each paragraph. Bees are in danger. People are connected to bees. Para 2 Para 3 Bees are hard-working and the most important animals in this planet. Para 1 Para 4 Bees are one of the most interesting animals in the world. Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables, honey, milk, eggs, or chocolate. How would you feel? Disappointed? Angry? Sad? At this moment you realize people, plants, and animals are all connected. We need each other to live, and bees are one of the best examples of this connection. Think about what the author’s writing train of thought(写作思路) is. First, divide it into three paragraphs, and match them. Para.1 What’s the function(作用)of this sentence? Serve as a connecting link between the preceding and the following. 承上启下 9 Scanning Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables, honey, milk, eggs, or chocolate. How would you feel? Disappointed? Angry? Sad? At this moment you realize people, plants, and animals are all connected. We need each other to live, and bees are one of the best examples of this connection. Para 1: People are connected to bees. /ɪˈmædʒɪn/ v. 想象=picture v. /ˌdɪsəˈpɔɪntɪd/ adj. 失望的 be disappointed with/in sb/sth 对某人/某事感到失望 /kəˈnekʃn/ n. 联系---v. connect be connected with 与……相连；与……有关联 What does the word “connection” mean？  Bees → Plants grow fruits/vegetables → Humans/animals get food No bees → few plants → empty supermarket Why? Para. 2 As they fly from one flower to another, they take pollen with them. This action helps plants grow. Bees are very hard-working animals, and their greatest work is pollination. On one trip, they often visit 50 to 100 flowers. As they fly from one flower to another, they take pollen with them. This action helps plants grow. In fact, without their work, about 80 per cent of the plants in the world cannot grow. For this reason, many scientists believe that bees are the most important animals on this planet. Why do scientists believe that bees are the most important animals on this planet? Because without their work, about 80 per cent of the plants in the world cannot grow. Underline the adjectives the writer uses to describe bees. How do bees work? 11 Para 2: Bees are hard-working and the most important animals in this planet. There is pollen on the bee’s body. Bees are very hard-working animals, and their greatest work is pollination. On one trip, they often visit 50 to 100 flowers. As they fly from one flower to another, they take pollen with them. This action helps plants grow. In fact, without their work, about 80 percent of the plants in the world cannot grow. For this reason, many scientists believe that bees are the most important animals on this planet. Pollination The bee is pollinating. What do these numbers mean? 80%— Without bees’ work, about 80 percent of the plants in the world cannot grow. 50 to 100 — On one pollination trip, bees often visit 50 to 100 flowers. Para. 3 In order to store honey, they create honeycombs. Bees are also one of the most interesting animals in the world. For example, they work hard together to make their homes. In order to store honey, they create honeycombs. Another interesting thing about bees is how they communicate. When a bee finds new food, it uses a dance to tell the others where and how far away the food is. Underline the adjectives the writer uses to describe bees. Why do they create honeycombs? 13 Para 3: Bees are one of the most interesting animals in the world. Bees are also one of the most interesting animals in the world. For example, they work hard together to make their homes. In order to store honey, they create honeycombs. Another interesting thing about bees is how they communicate. When a bee finds new food, it uses a dance to tell the others where and how far away the food is. ① ② the Round Dance the Waggle Dance the Sickle Dance How they communicate? How far away the food is? 50-100 meters ≧100 meters ≦50 meters /kəˈmjuːnɪkeɪt/ v. 交流；communicate with sb 与某人交流 Para. 4 The number of bees is dropping. Bees play an important part in the ecosystem of our planet. However, the number of bees is dropping, and scientists are worried. Bees need our help, and there is a lot we can do. Think about what you can do to protect one of the most amazing animals on earth. Underline the adjectives the writer uses to describe bees. What are scientists worried about? 15 Para 4: Bees are in danger. Bees play an important part in the ecosystem of our planet. However, the number of bees is dropping, and scientists are worried. They need our help, and there is a lot we can do. Think about what you can do to protect one of the most amazing animals on earth. /ˈiːkəʊsɪstəm/ 词根eco-为ecology的缩写，“与生态相关” /prəˈtekt/ v. protect … from/against…保护……免受…… ☑ Habitat loss （栖息地丧失） ☑ Pesticide use（农药使用） ☑ Climate change （气候变化） Bees are very hard-working animals, and their greatest work is pollination. On one trip, they often visit 50 to 100 flowers. As they fly from one flower to another, they take pollen with them. This action helps plants grow. In fact, without their work, about 80 percent of the plants in the world cannot grow. For this reason, many scientists believe that bees are the most important animals on this planet. Read the second paragraph and complete the mind map. importance •their greatest work:_________ •visit_____________________ •help ____________________ 50 to 100 flowers on one trip pollination plants grow Read again and complete the mind map with the information from the text. 1c Bees Tip: Use NUMBER to prove your ideas. Read again and complete the mind map with the information from the text. Read the third paragraph and complete the mind map. •They work together to make their homes and create honeycombs to store honey. •They communicate by using dance. Bees are also one of the most interesting animals in the world. For example, they work hard together to make their homes. In order to store honey, they create honeycombs. Another interesting thing about bees is how they communicate. When a bee finds new food, it uses a dance to tell the others where and how faraway the food is. 1c interesting facts Bees Plant bee-friendly flowers in our garden or other open places. Tell our family: use fewer or no pesticide. Build a habitat栖息地 for bees in your garden. Make posters about bees. Deep thinking What can we do to protect bees? 1c Read the text and underline the adjectives the writer uses to describe bees. ●their greatest work: ______________ ●visit: __________________________ ●help:__________________________ ●their number is: ______________ importance problem interesting facts pollination 50 to 100 flowers on one trip plants grow dropping They work hard together to make their homes. When a bee finds new food, it uses a dance to tell the others where and how far away they food is. Bees Why can't we live without bees? Para1 Bees' connection Para2 Bees' pollination Para3 Bees' interesting traits Para4 Protect bees 人、动植物相互依存 蜜蜂特性：勤劳，核心工作是授粉 重要性：全球约80%植物生长依赖 群体协作 储存方式 交流方式 生态地位 现状问题 行动呼吁 Let’s analyze. 精读 读细节 Discussion How do you understand the connection between people, plants, and animals? Flowers need bees to help with pollination. Bees collect nectar (花蜜) from the flowers to make honey. People have honey for food and can water flowers. people bee flower 1d Discuss the questions. 1. Can you give another title for the text? Live without Bees? Impossible! Bees and us An Amazing Animal—The Bee. Important Bees ... Discuss the questions. 1d Post-reading 2. What other interesting facts do you know about bees? 3. What do you know about the connection between humans and other insects, such as ants and butterflies? 1. Can you give another title for the text? We Can't Live Without Bees Small Bees,Big Impact Why Bees Are Important for Our Life We need bees, bees are important... The Great Importance of Bees ...... Different bees has different jobs: the queen bee lays eggs, and other bees get sweet juice from flowers and take care of their home. Their honey stays good for years... Ants help clean up dead things and small garbage. Butterflies help flowers grow so that we get more fruits. Spiders eat bugs and stop bugs from hurting us. Dragonflies (蜻蜓) eat mosquitoes（蚊子）so we don’t get sick easily. 24 Post-reading 1e Imagine you are the writer. Write one more paragraph about bees and add it to the text. ☑ Habitat loss （栖息地丧失） ☑ Pesticide exposure （农药暴露） ☑ Climate change （气候变化） Reason: cities expand; forest disappear; bees lose flower homes; … Reason: farmers use chemicals; poisons make bees sick; … Reason: warmer weather; flower bloom wrong; poisons make bees sick; … Sadly, bees face serious dangers that affect our ecosystem. Habitat loss is a big issue. As cities expand and forests disappear, bees lose places with flowers to live. Pesticide exposure also harms them. Farmers use chemicals on crops, and these poisons make bees sick, stopping them from finding food. Climate change is another problem. Warmer weather makes flowers bloom at wrong times, so bees can’t get nectar when needed. These threats show why we must protect bees — by saving their habitats, cutting pesticide use and fighting climate change. Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables, honey, milk, eggs, or chocolate. How would you feel? Disappointed? Angry? Sad? At this moment you realize people, plants, and animals are all connected. We need each other to live, and bees are one of the best examples of this connection. Bees are very hard-working animals, and their greatest work is pollination. On one trip, they often visit 50 to 100 flowers. As they fly from one flower to another, they take pollen with them. This action helps plants grow. In fact, without their work, about 80 percent of the plants in the world cannot grow. For this reason, many scientists believe that bees are the most important animals on this planet. /kəˈnektɪd/ adj. 连接的；相关的 /kəˈnekʃn/ n. 联系；连接 /ˌdɪsəˈpɔɪntɪd/ adj. 失望的；沮丧的 /ɪˈmædʒɪn/ v. 想象；猜想 While-reading /ˈhʌni/ n. 蜂蜜；（爱称）亲爱的 /ˈpɒlən/ n. 花粉 /ˈækʃn/ n. 行动；行为 /pə ˈsent/ (= percent) n. 百分之…… adj. & adv. 每一百中 /ˈplænɪt/ n. 行星 /ˌpɒləˈneɪʃn/ n. 授粉 as, 连词，当......时候 确切地说；实际上 出于这个原因 Bees are also one of the most interesting animals in the world. For example, they work hard together to make their homes. In order to store honey, they create honeycombs. Another interesting thing about bees is how they communicate. When a bee finds new food, it uses a dance to tell the others where and how far away the food is. Bees play an important part in the ecosystem of our planet. However, the number of bees is dropping, and scientists are worried. They need our help, and there is a lot we can do. Think about what you can do to protect one of the most amazing animals on earth. /ˈiːkəʊsɪstəm/ n. 生态系统 /stɔː(r)/ v. 贮存；存储 n. 百货商店；商店 /ˈhʌnikəʊm/ n. 蜂巢 /kəˈmjuːnɪkeɪt/v. 交流；沟通 While-reading /prəˈtekt/ v. 保护；防护 为了；以便 在……中起重要作用 one of+形容词最高级+可数名词复数 1f Think of some examples and then share them with a partner. In my hometown, there's a big lake. The lake is home to lots of fish. The plants around the lake provide oxygen and food for the fish. People go fishing there. Also, we get fresh air from the plants. So, people, plants, and animals all rely on(依靠) each other. 是······的家乡 A: We all know people and nature are connected. But can you give me an example of how they are connected? B: Sure. I visited a small town in Guangdong once. There are many large trees in the town. They are home to many birds. A lot of tourists come to see the trees and the birds. 1f How do you understand the connection between people, plants, and animals? Think of some examples and then share them with a partner. A: We all know people and nature are connected. But can you give me an example of how they are connected? B: Sure. I visited a small town in Guangdong once. There are many large trees in the town. They are home to many birds. A lot of tourists come to see the trees and the birds … 角度 1：“动物帮植物 → 植物帮人类 → 人类护动物 / 植物” （如：蜜蜂采蜜→ 植物结果→ 人类有食物→ 人类保护蜜蜂和植物 ） 角度 2：“植物给动物家 → 动物吸引人类 → 人类保护植物 / 动物” （如：大树给鸟筑巢→ 游客来看鸟→ 人类保护大树 ） 角度 3：“人类保护行为 → 帮助动植物 → 反过来受益” （如：人类少用农药→ 蜜蜂安全→ 植物授粉好→ 人类收获多 ） Summary 1. 是······的家乡 2. 想象做某事 3. 与······有关联 4. 发挥着重要的作用 5. 保护···免受··· 6. 与······沟通 7. ······的数量 8. 许多 be home to... imagine doing sth. be connected with / to play an important part in protect...from/against sth. communicate with / have a communication with... the number of... a number of... Take care of animals and plants because everything in nature is connected. We cannot live without them! 当堂检测 一、单项选择。 1. —Maria. You have made such great progress in English. —Thanks, Ms. Chen. I can′t make it _______ your help. A. with B.of C. for D. without 2. I couldn’t _______ what else he has to say. Everyone knows that′s a lie. A. suppose B. imagine C. realize D. consider 3. —Your village is really beautiful! —Thank you. _______，all the villages here have taken on a new look. A. For example B. In fact C. First of all D. As a result D B B 二、翻译下列句子 1.人类与动物相连。 Humans are_____________ __________ animals. 2.为了取得好成绩，我们必须努力学习。 We have to study hard____ _______ ______ get good grades. 3.她决定从工作中休息一下，为此，她去海滩度假了。 She decided to take a break from work. ______ ______ ______, she went on a vacation to the beach. 4. 电在我们的日常生活中起着重要的作用。  Electricity ______ ____ ___________ ______ ______ our daily life. connected with/to in order to plays an important part in For this reason Homework “ ” Choose-to-do选做 1. Think of 2-3 ways to protect bees. Write them into a 60-80 word short proposal and share it with your family. 2. Observe 1 small creature near your home for 10 minutes. Write its connection with plants/humans in 3 sentences. Bring the note to share in class. “ ” Must-do 必做 1. Reread the text. Write 3 key points on a card, and add 1 superlative phrase from the text under each point. 2. Write a 40-50 word short passage titled “Why Bees Are Important”. Use at least 1 superlative and refer to text details。 35 Lavf58.20.100 Multimedia Cloud Transcode (cloud.baidu.com) Content Adaptive Encoding 3.0 Lavf58.20.100 Lavf58.20.100 $