Unit 4 课时5 Section B（Vocabulary in Use&3a-3c）词汇+写作课课件-八年级英语上册【趣味课堂】精品备课（人教版2024）

该初中英语课件聚焦词汇构词法（名词后缀-ance,-ness,-ity,-(t)ion）、动物生态主题词汇及阅读写作技能，通过“蓝鲸知识导入”等提问式活动衔接青蛙与蓝鲸生态内容，借助词汇分类、词性转换、阅读填空等练习搭建学习支架。 其亮点在于融合语言能力（构词法练习提升词汇运用）、思维品质（分析青蛙蓝鲸生态作用培养推断能力）和学习能力（写作自评互评表与分层作业设计），如词汇分类圈不同类单词、阅读问题链提取信息、第一人称改写段落。学生能提升语言技能与生态意识，教师可利用分层设计因材施教，提高教学效率。

Unit 4 Amazing Plants and Animals How are plants and animals connected with us? Section B Vocabulary in Use & 3a-3c Lesson Objectives: In this lesson, we will be able to: 1. Master new words: happiness, disappoint, mushroom, climate; ocean, except, the Arctic Ocean.... Understand noun suffixes: -ance, -ness, -ity, -(t)ion. 2. Use new words and phrases correctly in writing and speaking. Improve reading comprehension through various tasks and writing skills by imitating and creating texts. 3. Develop a sense of environmental protection and cooperation. 2 CONTENTS 目 录/ 1 Lead in 2 Vocabulary in Use 3 Pre-writing 4 While-writing 5 Post-writing 6 Exercise&Homework Imagine a frog named Freddie. He wants ___________(幸福) and doesn't want to ___________ (使失望) his family. One day, he finds some ___________ (蘑菇) after the rain. They are so small, like a _______ /piː/. But they are heavy! They weigh a _______ /tʌn/! Freddie knows every animal plays a ______ in (在...中发挥作用) the ecosystem. Even tiny animals are important for a _________ /'laɪvli/ world. He also thinks about his big friend, Billy the Blue Whale, who lives in all _________ (海洋) except the Arctic. Billy eats _______ /'taɪni/ animals. Scientists study frogs like Freddie to understand __________ (气候) change. Vocabulary Challenge Fill in the blanks with the correct forms of new words. happiness disappoint mushrooms pea ton role lively oceans tiny climate 4 Vocabulary in Use 2a Circle the odd(与众不同的) ones. Then give your reasons. habit height size weight joy happiness fun enjoy angry disappointed smart sad appear look seem watch honey milk juice bread 习惯 身高 尺寸 体重 1.(行为&度量) 喜悦 幸福 乐趣 享受 2.(名词&动词) /'hæpinəs/ n.幸福;快乐 生气的 失望的 聪明的 悲伤的 3.(负面情绪&积极的心智能力) /,dɪsə'pɔɪnt/ v.使失望→ disappointed adj. 失望的 显得 看起来 似乎 观看 4.(系动词&行为动词) 蜂蜜 牛奶 果汁 面包 5.(液体或粘稠流体&固体食物) 5 Language points 2a 1. happiness n.幸福；快乐 由“happy（adj.快乐的；高兴的）变y为i ＋ -ness（名词后缀）”构成。 e.g. His grandchildren bring him great happiness. 他的孙子们给他带来了巨大的快乐。 后缀 -ness 主要加在形容词后面，构成抽象名词，表示该形容词所 描述的性质、状态或特征。 e.g. dark（黑暗的）→ darkness（黑暗） lazy（懒惰的）→ laziness（懒惰） 练习：中国人总是把幸福和家人团聚联系起来。（完成译句） Chinese people have always connected _____________ with getting together with families. happiness 6 2b Add the endings -ance, -(t)ion, -ness, and -ity to form nouns. Use your dictionary. 1. act v. 行动;表演 → ___________________ n. 行动，行为 2. good adj. 好的 → ___________________ n. 善良，美德 3. kind adj. 友善的 → ___________________ n. 友善，仁慈 4. appear v. 出现;显得 → ___________________ n. 出现；外貌 5. real adj. 真实的 → ___________________ n. 现实 6. imagine v. 想象 → ___________________ n. 想象力 7. connect v. 关联;连接 → ___________________ n. 联系；连接 8. popular adj. 流行的,受欢迎的 → ________________ n. 普及,受欢迎度 9. communicate v. 交流,沟通 → ___________________ n. 交流,通信 10. important adj. 重要的 → ___________________ n. 重要性 connection communication action kindness reality goodness appearance imagination popularity importance 7 The rules for forming nouns with the suffixes -ance, -(t)ion, -ness, -ity: 1. -ance 规则：通常加在动词后面 ，构成抽象名词表示行为、状态、性质等 。 e.g. perform（v.表演；执行 ）→ performance（n.表演；表现 ） appear（v.出现；显得 ）→ appearance（n.出现；外貌 ） 2. -(t)ion 规则：通常加在动词后，构成名词表示行为、过程或结果。 e.g. educate（v.教育 ）→ education（n.教育 ） decide（v.决定 ）→decision（n.决定 ） imagine（v. 想象 ）→ imagination（n. 想象力） 8 3. -ness 规则：通常加在形容词后，构成抽象名词表示形容词所描述的性质、状态。 e.g. happy（adj.幸福的；快乐的 ）→ happiness（n.幸福；快乐 ） kind（adj.善良的 ）→ kindness（n.善良；仁慈 ） 4. -ity 规则：通常加在形容词后，(部分词需对词尾做适当变化 , 如去掉 不发音 -e 等)，构成名词，表示具有某种特性。 e.g. active（adj.积极的 ）→ activity（n.活动；活跃 ） possible（adj.可能的 ） → possibility（n.可能性 ） 9 2c Complete the sentences with the correct forms of the words in the box. appear disappoint imagine store weigh 1. I felt _____________ when my favourite flowers died. 2. After the rain, some mushrooms ___________ in the garden. 3. In my hometown, people often use bamboo baskets to ________ food. 4. What did you put in your luggage? It __________ a ton. 5. I can’t _________ my life without my pets. They mean a lot to me. appeared disappointed store weighs imagine /'mʌʃrʊm/ n.蘑菇;伞菌 /tʌn/ n.吨 10 Practice She has a lot of _____________ (confident) in herself. 她对自己充满信心。 2. The _____________ (educate) of children is very important. 孩子们的教育非常重要。 3. His _____________ (honest) makes him popular. 他的诚实使他很受欢迎。 4. The _____________ (able) to learn is a gift. 学习的能力是一种天赋。 5. The _____________ (operate) was successful. 这次手术很成功。 confidence education honesty ability operation 11 2d Complete the passage with the correct forms of the words in the box. however important land planet protect You may not realize it, but frogs play an important role in our _________ ecosystem. The smallest frogs are about the size of a pea, while larger ones can grow as big as a human hand. Many people know that frogs help to __________ farms by eating insects. ____________, not everyone understands their _______________ in nature. Frogs can live on ________ and in water. Because of this, they are popular subjects in studies on climate change and the ecosystem. protect However importance land planet’s play an important role in 在…中起重要作用 live on land 生活在陆地上 live in water 生活在水里 because of + n./pron./doing 因为..... 12 Read 2d again and complete the tasks. You may not realize it, but frogs play an important role in our planet’s ecosystem. The smallest frogs are about the size of a pea, while larger ones can grow as big as a human hand. Many people know that frogs help to protect farms by eating insects. However, not everyone understands their importance in nature. Frogs can live on land and in water. Because of this, they are popular subjects in studies on climate change and the ecosystem. 1. What role do frogs play in our ecosystem? ( ) A. An unimportant role B. An important role C. A destructive role 2. How small can the smallest frogs be? ( ) A. About the size of a pea B. As big as a human hand C. As big as a mouse 3. How do frogs help to protect farms? ( ) A. By pollinating plants B. By eating insects C. By loosening the soil B A B 13 Read 2d again and complete the tasks. You may not realize it, but frogs play an important role in our planet’s ecosystem. The smallest frogs are about the size of a pea, while larger ones can grow as big as a human hand. Many people know that frogs help to protect farms by eating insects. However, not everyone understands their importance in nature. Frogs can live on land and in water. Because of this, they are popular subjects in studies on climate change and the ecosystem. 4. Why are frogs popular subjects for studies on climate change and the ecosystem? ( ) A. Because they are brightly colored and easy to observe. B. Because they have a very long lifespan. C. Because they can live on both land and in water, making them sensitive (敏感的) to environmental changes. C 14 Read 2d again and complete the tasks. You may not realize it, but frogs play an important role in our planet’s ecosystem. The smallest frogs are about the size of a pea, while larger ones can grow as big as a human hand. Many people know that frogs help to protect farms by eating insects. However, not everyone understands their importance in nature. Frogs can live on land and in water. Because of this, they are popular subjects in studies on climate change and the ecosystem. 5. What is the main purpose of this passage? ( ) A. To tell a fun story about frogs. B. To describe the different sizes and appearances of frogs. C. To introduce the important role of frogs in the ecosystem and some of their key features. C 15 Lead in What do you know about the blue whale? 16 Read and learn. The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. on earth 在地球上 as much as 多达, 达到……之多 live up to 活到……岁；达到……的寿命 play an important role in... 在...中扮演一个重要的角色 17 3a Read the text and complete the table. Blue whale facts Weight Where they live Food How long they live Importance in nature The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. As much as 200 tons In all oceans except the Arctic Ocean Some of the tiniest animals in the ocean Up to 90 years When a blue whale dies, it becomes food for many animals and it helps to create a lively and healthy ecosystem. 18 Read again and answer. Q1：How much food can a blue whale eat a day? Q2：Why do many people like watching blue whales? The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. Around four tons. Because they think blue whales are one of the most beautiful things to see. 19 Read again and answer. Q3：What will happen when a blue whale dies at sea? Q4：What role do blue whales play in our world? The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. It becomes food for many kinds of animals living in and around the sea. They play an important role in creating a lively and healthy ecosystem, so we must protect them. 20 Language points 3a 2. Blue whales live in all oceans except the Arctic Ocean. 蓝鲸生活在除北冰洋以外的所有海洋中。 except prep. 除······之外；除了 辨析：except，but与besides except “除······之外”, 强调所排除的内容不包括在内, 含有“减去”的意思 but “除······之外”，常用于 nothing、all、anything、anyone、everything、everyone等词之后。 besides “除······之外（还）”, 包括besides后面的内容,含有“加上”的意思。 e.g. Last weekend, all of us went for a picnic except Tom because he was ill. 上周末，除了汤姆，我们都去野餐了，因为他病了。（2024遂宁中考） 21 Language points 3a e.g. There is no one here but me. 这里除了我没有别人。 Besides working as a teacher, she also writes poems in her spare time. 除了当教师外，她在业余时间还写诗。 特别提醒: 当主语后有except(介词)构成的短语时，谓语动词要与前面的主语在 人称和数上保持一致。 e.g. Nobody except the two boys(介词短语,不做主语) has been to Hong Kong before. 除了那两个男孩，之前没有人去过香港。 练习：—Did you study any other languages ________ English when you were at college? —Yes, I studied three. But I have forgotten all ______ a few words of each. A. besides; besides B. but; except C. except; except D. besides; except D 22 Language points 3a 3. They eat a lot, but they eat some of the tiniest animals in the ocean. 它们吃得很多，但它们吃的是海洋中一些最微小的动物。 tiny adj. 极小的；微小的 指在尺寸或数量上非常小。其比较级是tinier，最高级是tiniest。 e.g. The baby panda was tiny when it was bom. 大熊猫宝宝出生时非常小。 Tinker Bell has her tiny room too. 小叮当也拥有她自己的小房间。 —Peter Pan《彼得·潘》 练习：—Why do you collect these shells, Jackie? —Because I love drawing tiny pictures inside them. ( ) A. very large B. very thin C. very small D. very heavy C 23 Language points 3a 4. This food lasts for over a year and it helps to creat a lively and healthy ecosystem. 这些食物足够维持一年以上，有助于创造一个生机勃勃的 健康生态系统。 lively adj. 精力充沛的；生机勃勃的 辨析：lively，alive，live与living lively 生气勃勃的； （色彩）鲜艳的 修饰人或物 常作定语或表语 alive 活着的 修饰人或物 常作表语或补语 live 活的 读作/laɪv/ 修饰人或物 一般作前置定语 living 活着的 修饰人或物 常作定语 24 Language points 3a e.g. She is a lively girl and popular with everyone. 她是个充满活力的女孩子，很受大家欢迎。 The colour of the clay works is lively. 这些陶土作品的色彩很鲜艳。 This is a live／living fish. ＝ This fish is alive. 这是一条活鱼。 练习：1）The old man is over 90, but he is still very ______ and exercises every day. A. alive B. live C. lively D. living 2）选词填空 (用 lively, alive, live, living 的正确形式填空) After the forest fire, rescuers were happy to find that a few small animals were still _________. C alive 森林大火之后，救援人员高兴地发现一些小型动物仍然活着。 25 3b Imagine you are a blue whale. Use the first person to rewrite the first paragraph. Hello everyone! My name is Billy the Blue Whale. I am __________ _______________________________________________________I’m heavy, but I __________________________________________ _______________________________________________________ I live in ________________________________________________ _________________________________ I can eat ______________ _______________________________________________. the largest and heaviest animal on earth. I can weigh as much as 200 tons. love swimming, and many people like watching me swim. They think it’s one of the most beautiful things to see. all oceans except the Arctic Ocean. My favourite food is of these a day some of the tiniest animals in the ocean. around four tons 26 Pre-writing 3c Complete your passage about the blue whale based on the text in 3a. 话题分析 要求完成段落的改写，主要改写内容为3a 第二段的内容，涉及到蓝鲸的寿命和对生态环境的重要性等内容。 文本体裁 人称时态 本文将第三人称的段落内容，改写为第一人称的段落内容。分析原文章属于介绍类文章，改写后，还是自身特性介绍，因此是说明文。 写作指导 以第一人称为主；以一般现在时为主。 27 Observe and think What should we mainly pay attention to when rewriting an article? 人称:由第三人称变成第一人称 内容要点: 要点不能省略或者遗漏 语言: 个别句子需要变化结构 weight living area food preference(喜好) 28 While-writing How to use the first person to rewrite the second paragraph? points: lifetime role /function importance 29 Sample I can live up to 90 years. When I die at sea, I become food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. I play an important role in our world, so you must protect us. 30 Post-writing Checklist Self-evaluation Peer-evaluation Teacher-evaluation Clear structure Topic sentence More relative information Right linking words Right grammar Right spelling Great Good Try harder Now, you can exchange your writings with your partner to check each other’s writing. 31 Exercises I、用括号内所给单词的适当形式填空。 1. I'd like to buy some sausages, __________ (mushroom), onions and cheese to make a pizza. 2. Over two thirds of the earth's surface is covered by __________ (ocean). 3. Tangyuan is an important symbol of __________ (happy) in the family. 4. Scientists are studying the __________ (climate) influence on sea level. 5. When he heard the disappointing news, he looked very _____________ (disappoint). 6. To make the show __________ (live) and interesting, the director spent almost the whole night preparing for it. 7. He's sure that this is the __________ (tiny) dog he has ever seen. 8. I often watch these old people ___________ (dance) in the square. mushrooms oceans happiness climate’s disappointed lively tiniest dance 32 Exercises II. 根据汉语意思完成下列句子(每空一词)。 1. 每个人都应该在让我们的学校变得更好方面发挥作用。 Everyone should _______ _______ _______ ________ making our school become better. 2. 这个教室能容纳多达60名学生。 The classroom can hold _______ _______ 60 students. 3. 森林是许多野生动物的家园。 The forest ______ ________ ______ many wild animals. 4. 据说他们每年扔掉数百吨的垃圾。 It is said (that) every year they throw away _________ ______ ______ of rubbish. 5. 除了萨莉，我们所有人上周都参加了体育测试。 All of us took the PE test last week ________ ________. play a role/part in up to is home to hundreds of tons except Sally 33 Summary We learn: 1. vocabulary: happiness, disappoint, mushroom, ton, role, play a role in, pea, climate; ocean, except, tiny, lively, the Arctic Ocean, Billy; noun suffixes -ance, -ness, -ity, -(t)ion. 2. sentence patterns: Using nouns formed by suffixes; describing animals with new words. 3. Writing skill: Describing an animal by introducing its features, living place, food, etc. We can: use new vocabulary and suffix rules correctly, write a passage about an animal, understand the importance of animal protection. 34 Homework 1. 基础层：抄写本课重点单词和短语，并用每个词语造一个句子。 2. 提高层：熟练朗读3a关于蓝鲸的课文。写一篇关于青蛙的短文， 至少使用5个新单词。 3. 拓展层：研究另一种在生态系统中起重要作用的动物，写一篇 报告，包括它的特征、作用以及为什么需要保护它。 35 Thank you! 36 $The blue whale, the blue whale is the largest and heaven est animal on earth. IT can weigh as much as two hundred tones. Many people like watching blue whales swim, and they think this is one of the most beautiful things to see. Blue wales live in all oceans, except the arctic ocean. They eat a lot, but they eat some of tiny st. Animals in the ocean. A blue whale can eat around four tons of these a day. Blue wales can live up to ninety years. When a blue whale dies at sea, IT becomes food for many kinds of animals living in and around the sea. This food lasts for over a year, and IT helps to create a lively and healthy ecosystem. Blue wales play an important role in our world, so we must protect them.