Unit4 SectionA （1a-1d）&Pronunciation 课件2025-2026学年人教版英语八年级上册

该初中英语课件围绕“奇妙的动植物”主题，聚焦动植物描述词汇、形容词最高级及“one of + 最高级”结构，结合/eɪ/等音标及句子重音教学。课堂从蜜蜂图片观察切入，通过Free Talk讨论动植物“奇妙”之处，Pre-listening用形容词描述苔藓、蓝鲸等，搭建从词汇到语用的学习支架，衔接听力匹配与口语问答。 其亮点在于融合语言能力与思维品质培养，听力匹配（如蓝鲸对应“heaviest”“largest”）和口语问答（1d讨论特征）提升信息获取与表达能力，发音练习中音标分组及句子重音对比（如重读“redwood”“California”区分语义）培养语音意识。采用“观察-讨论-实践-总结”教学法，学生能在真实语境中运用语言，教师可借助结构化活动提升教学效率。

Section A 1a-1d&Pronunciation Unit 4 Amazing Plants and Animals Section A What can plants and animals do? Learning Objectives In this lesson, you will: 1.learn more words and expressions about plants and animals. 2.get key information about the plants and animals mentioned in the conversations. 3.talk about these plants and animals using the target languages. 4.grasp the pronunciation of the following sounds: /eɪ/, /aɪ/, /ɔɪ/, /bl/, /kl/, /gl/, /br/, /kr/, /gr/ and correctly read words containing the related letters or letter combinations. 5.notice the difference in stress and meaning of the same sentence. Look and Share What do you see in the photo? What do you think of when you see the photo? Two bees are working hard to collect nectar(花蜜). Bees are important.They help with the pollination(授粉) so the plants can grow and flowers can make seeds(种子). Free Talk Read the title of the unit and discuss the following questions. Do you think bees are amazing or not? Share your reasons. What else animals or plants do you think are amazing? What makes them amazing? Do you know the following plants or animals? moss blue whale redwood tree cheetah What facts do you know about these plants and animals? /ˈtʃiːtə/ n. 猎豹 /mɒs/ n. 苔藓 /ˈredwʊd/ n. 红杉；红木 the largest and heavist animal on earth run the fastest the oldest plant the tallest tree Free Talk 1a Look at the plants and animals. Use the words in the box to talk about them. beautiful big fast heavy large long old small tall short e.g. Moss is small but very old. e.g. Blue whales are big and heavy. I think they are beautiful and elegant. ... Pre-listening 1b Listen to the conversations and number the plants and animals in la in the order you hear them. 1 2 3 4 Listen and number 1c Listen again. Match the words with the plants and animals in 1a. Some have two answers. blue whale:______________ 1 blue whale:______________ 3 A. heaviest B. largest C. most beautiful D. oldest E. fastest F. tallest A B D Listen and number cheetah:______________ 2 redwood tree:____________ 4 A. heaviest B. largest C. most beautiful D.oldest E. fastest F. tallest F C E Listen and number 1d Ask and answer questions about the plants and animals in la. What's amazing about the blue whale? It's the largest / biggest animal in the world. Talking Read the following words. Pay attention to pronunciation of the letters in bold in each column and find out the rules. Read and Think a,ai,ay i,y,igh oy,oi bl cl gl br cr gr whale rain stay mice fly high toy join choice black blow blue clean climb clock glad glass globe bread bring brown cross cream cry grass great grow /eɪ/ /aɪ/ /ɔɪ/ /bl/ /kl/ /gl/ /br/ /kr/ /gr/ Listen and repeat. Add one more word to each group. 1 /eɪ/ /aɪ/ /ɔɪ/ /bl/ /kl/ /gl/ /br/ /kr/ /gr/ a,ai,ay i,y,igh oy,oi bl cl gl br cr gr whale rain stay _____ mice fly high _____ toy join choice _____ black blow blue ____ clean climb clock _____ glad glass globe _____ bread bring brown _____ cross cream cry _____ grass great grow ____ day game wait like cry light boy noise block blood clear class glove glue brush break crazy create grade green Pronunciation I visited the redwood forests in California several times. (not other forests) I visited the redwood forests in California several times. (not other places) I visited the redwood forests in California several times. (not only once) Listen and repeat. Notice the difference in stress and meaning of the same sentence. 2 Pronunciation 句子重音（Sentence Stress） 在英语句子中，实词(如名词、动词、形容词、副词等)承载重要信息，一般需要重读; 而充当语法功能的词(如冠词、连词、介词、助动词等)一般弱读。但这条读音规律并非一成不变，句子中的重音可以随着说话者要表达的意思的变化而变化。 Pronunciation 例如： Please pass me the 'book. (强调把“书”递给我，而不是把别的东西给我) Please pass the book to 'me.(强调把书递给“我”，而不是给其他人) 1. What’s the largest animal in the world? 世界上最大的动物是什么？ largest是large的最高级形式。最高级前面一般会有定冠词the进行修饰。 形容词和副词的最高级一般分为规则变化和不规则变化。 规则变化如下： 构成方法 比较级 单音节词和部分双音节词 一般情况下，最高级词尾加-est tallest；shortest；fastest 以字母e结尾的词，最高级词尾加-st largest；latest 重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，然后最高级词尾加-est biggest；fattest；thinnest 以“辅音字母+ y”结尾的双音节词，先把y改为i，然后最高级词尾加-est easiest；heaviest；earliest 多音节词和部分双音节词 词前加most构成最高级 most beautiful；most popular Language Points 不规则变化如下： It’s also the heaviest animal on earth. The cheetah runs the fastest. I think moss is one of the oldest plants. 原级 最高级 good / well best bad / badly worst many / much most little least far farthest furthest Language Points 2. Well, I think moss is one of the oldest plants. 嗯，我认为苔藓是最古老的植物之一。 one of + 限定词 + 复数名词 / 代词 限定词包括冠词（the）、形容词性物主代词（my, their）、指示代词（these, those）等。表示 “…… 中的一个”，强调在整体中选取一个个体。 例如： She is one of my friends. 她是我的一个朋友。 This is one of the best movies I’ve ever seen. 这是我看过的最好的电影之一。 Language Points 3.【主谓一致】 one of 结构作主语时，谓语动词用单数（因为核心词是 “one”，表示 “一个”）。 例如： One of the students is from Canada. 这些学生中有一个来自加拿大。 One of these books has a missing page. 这些书中有一本缺页了。 【最高级搭配】 “one of” 常与 形容词最高级 连用，构成 one of the + 最高级 + 复数名词， 表示 “最…… 的…… 之一”。 The Great Wall is one of the greatest wonders in the world. 长城是世界上最伟大的奇迹之一。 Language Points 1. My cat is _________ (lazy) than my dog. It sleeps16 hours a day!​ 2. The Yangtze River is one of the v (long) rivers in the world.​ 3. This is the ________ (big) apple I have ever eaten. 4. I think autumn is the _________ (cool) season. The weather is just right.​ 5. Tina’s English is _________ (good) than mine. She always gets higher scores in tests.​ 6. The elephant is the _________(heavy) land animal. A big one can weigh over 5 tons!​ 7. In our class, Lily is the _________(busy) student. She joins three clubs and studies hard.​ lazier biggest coolest better heaviest busiest Exercises 1. 这个湖泊是我们城市里最深的湖泊。 This lake is _____________ lake in our city. 2. 蓝鲸是世界上最大的动物。 The blue whale is __________________ in the world. 3. 蜂鸟是世界上最小的鸟类。(hummingbird蜂鸟 ) The hummingbird is ____________________ in the world. 4. 这个花园里的玫瑰是我见过最美丽的。(I have ever seen) The roses in this garden are ___________________ I have ever seen. Exercises the deepest the largest animal the smallest bird the most beautiful Must-do: Complete the exercise book. Memorize key vocabulary , verb phrases and sentence structures. Optional: Use the learned sentence patterns to talk about your favourite plants or animals. Homework null 108541.555 null 106007.43 null 230675.92 null 29962.666 $