UNIT 4 Period 4 Section B 2a-4d（课件PPT）-【全程突破】2025-2026学年新教材八年级英语上册同步训练（人教版2024）

八年级英语上册（R）课件 UNIT 4 Amazing Plants and Animals Section B How are plants and animals connected with us？ Period 4 Section B 2a—4d 目录 01 课前导学 02 主题词汇 03 主题写作 3 课前导学 A 必备单词 B 必备短语 目录 C 经典句子 1.　 　 /ˈhæpinəs/ n.幸福；快乐 2.　　 /ˌdɪsəˈpɔɪnt/ v.使失望；使破灭 3.　 　 /ˈmʌʃrʊm/ n.蘑菇；伞菌 4.　　 /tʌn/ n.吨 5.　　 /rəʊl/ n.作用；职能；角色 6.　　 /piː/ n.豌豆 A 必备单词 目录 上一级 pea happiness disappoint mushroom ton role 7.　　 /ˈklaɪmət/ n.气候 8.　 　 /ˈəʊʃn/ n.大海；海洋 9.　　 /ɪkˈsept/ prep.除……之外；除了 10.　 　 /ˈtaɪni/ adj.极小的；微小的 11.　 　 /ˈlaɪvli/ adj.精力充沛的；生机勃勃的 目录 上一级 lively climate ocean except tiny 1.在……中发挥作用；扮演角色　 　. 2.达到；符合　 　.　　 B 必备短语 目录 上一级 live up to play a role (in) C 经典句子 目录 上一级 1.最小的青蛙大约只有豌豆大小，而较大的青蛙可以长到和人的手掌一样大。 The smallest frogs are about the size of a pea，while larger ones can grow as big as a human hand. 2.许多人喜欢看蓝鲸游泳，他们认为这是最美丽的事情之一。 Many people like watching blue whales swim，and they think it is one of the most beautiful things to see. 目录 主题词汇 A 词汇分类汇总 B 词汇综合运用 目录 上一级 A 词汇分类汇总 ant bamboo rose butterfly wing popular tiny communicate 目录 上一级 be home to sb/sth appear ocean happiness protect be connected with/to play a role (in) actually disappointed 目录 请从方框内选择适当的词或短语并用其正确形式填空，使文章完整连贯。注意：每个词或短语仅用一次。 I am reading a book on different plants and animals in the world these days. Let’s take a look.The elephant is the 1.　 animal on land.It weighs as much as 3—5 tons.And the tallest animal on land is the giraffe.A grown-up giraffe has a 2.　 of about 6—8 meters.Some animals can have 3—4 changes in their forms all their life.For example，the 3.　 has four stages and the adult (winged) stage is one of the most colourful. 上一级 B 词汇综合运用 grow height play a role in heavy bamboo protect butterfly live take action rose butterfly heaviest height The red 4.　 is one of the most beautiful flowers in the world and is a symbol of love.5.　 is one of the fastest-growing plants on earth.Some bamboo can 6.　 almost one meter in one day. All the animals will die one day.But trees can 7.　 to be thousands of years old.All of them 8.　 the ecosystem in the world.However，many animals and plants are in danger.Let’s 9.______　 ______ right now.We must 10.　 and save them. 目录 上一级 grow height play a role in heavy bamboo protect butterfly live take action rose protect rose Bamboo grow live play a role in take action 主题写作 目录 模拟语篇分析 写作特训 目录 上一级 模拟语篇分析(选自Section B 3a语篇) 目录 上一级 语篇特点：本文是一篇介绍蓝鲸的短文，内容包括蓝鲸的大小、体重、生活地、食物、寿命以及对生态系统的作用等。语篇以简单句为主，辅以并列句和时间状语从句(When ...)。 目录 上一级 写作特训 假如你们班下周要举行题为“我最喜爱的植物”的演讲活动，请你根据以下思维导图的提示，写一篇发言稿。 我最喜爱的植物 我最喜爱的植物是…… 具体介绍 1.生活地 2.形象 3.喜爱的原因 感受 …… 目录 上一级 注意：(1)可在思维导图内容提示的基础上适当拓展信息。 (2)语句连贯，词数80左右。作文的标题已经给出，不计入总词数。 My Favourite Plant ... 目录 (写作指导部分仅供参考，希望同学们多积累素材，发散思维。) 第一步：审题意 体裁：　 人称：　 时态：　 . 第二步：列提纲 说明文 第三人称 一般现在时 上一级 目录 第三步：理词汇 1.特别的　 　 2.在地球上　 　　　 3.全年　 　 4.……的象征　 　　　 5.力量　 　 6.持续做　　 　　 7.长大　 　 8.掀翻　 　　　 9.精神　 　 10.向……学习　 　　　 learn from special on earth all year round a symbol of strength keep doing grow up turn over spirit 上一级 目录 第四步：写句子 1....the most special ...巧用最高级 ［例句］Rice is the most common food on earth.大米是地球上最普遍的食物。 ［仿写］它是地球上最特别的植物。 _______________________________________________________________ It is the most special plant on earth. 上一级 目录 2....because ...引导原因状语从句 ［例句］She never plays tennis because she isn’t interested in it.她从不打网球，因为她不感兴趣。 ［仿写］我喜爱它，因为它是力量的象征。 _______________________________________________________________ I love it because it’s a symbol of strength. 上一级 目录 3....as long as ...引导条件状语从句 ［例句］I make friends with everyone，as long as they are good.我和每个人交朋友，只要他们是好人。 ［仿写］只要有阳光和水，它就会持续生长。 _______________________________________________________________ It can keep growing up as long as there is sunlight and water. 上一级 目录 第五步：成文章(注意句型的多样化) My Favourite Plant _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ My favourite plant is grass. It is the most special plant on earth. We can see grass everywhere around us，on a football field，in a park，and on the hill. It’s usually short and it’s green almost all year round. I love it because it’s a symbol of strength. It’s the strongest and the most powerful in the world. It can keep growing up as long as there is sunlight and water. It can even turn over a huge rock. I must learn the strong spirit from grass. (89 words) 上一级 目录 请完成《课时达标作业》UNIT 4 Period 4的练习 本PPT课件由思而优研发制作，仅限思而优配套教学使用。 未经授权，任何人不得以商业目的进行拷贝、转发、转售， 一经发现，我司将追究侵权者的法律责任。 温馨提示 $A必背单词。One happiness. happiness. Two disappoint. disappoint. Three mushroom. mushroom. Four . time. ton. Five. roll. roll. Six P. P. Seven climate. climate. Eight . ocean. ocean. Nine. except. except. Ten tiny. tiny. Eleven lively. lively.