Unit 4 SectionA 1a-Pronunciation 课件2025-2026学年人教版（2024）英语八年级上册

该初中英语课件围绕“自然世界纪录的动植物”展开，核心涵盖形容词最高级用法、/eɪ/ /aɪ/ /ɔɪ/等音标及字母组合，通过视频导入、小学知识衔接（如珠穆朗玛峰问题）搭建支架，以词汇盒描述动植物、对话排序匹配、问答练习推进，实现从已知到未知的学习过渡。 其亮点在于融合语言能力与思维品质培养，通过“消失的对话”填空、音标匹配游戏（如苹果篮子图标配对）及互动视频按钮，强化最高级表达与发音技巧，提升学生分析比较能力与自主学习兴趣，教师可借助清晰环节与丰富资源高效开展听说读写综合教学。

Unit 4 Amazing Plants and Animals What makes plants and animals amazing? BIG Question ? In this unit, you will 1. talk about some amazing plants and animals. 2. use superlatives to compare more than two things. 3. discuss the connection between plants,animals, and our lives. 4. explore why plants and animals are important to us. Section A What can plants and animals do? （1a~Pronunciation） Learning Objectives At the end of the class, we are able to: 1. understand the conversations about world records in nature; 2. use superlatives to talk about the plants and animals; 3. master the sounds of /eɪ/, /aɪ/, /ɔɪ/, /kr/, /bl/, /gl/, /kl/, /br/, /gr/ and learn the letter groups that stand for these sounds. Unit 4 Section A 1a~Pronunciation Warming Up Watch this video and tell me what it is about. 点击播放视频 Unit 4 Section A 1a~Pronunciation It is about Mount Qomolangma. What do you know about Mount Qomolangma? Unit 4 Section A 1a~Pronunciation Location: Between Nepal and China (Tibet). Height: 8,848.86 meters (the tallest mountain in the world). Do you know what the oldest plant in the world is? Unit 4 Section A 1a~Pronunciation Pre-listening 1a Look at the plants and animals. Use the words in the box to talk about them. □ moss: _______________________ beautiful big fast heavy large long old small tall short The moss is small and short. n. /mɒs/ Unit 4 Section A 1a~Pronunciation □ blue whale: ___________________________ beautiful big fast heavy large long old small tall short The blue whale is big and long. Unit 4 Section A 1a~Pronunciation □ redwood tree: _________________ _____________ □ cheetah: ________________________ The redwood tree is very tall. The cheetah runs very fast. n. /ˈredwʊd/ n. /ˈtʃiːtə/ beautiful big fast heavy large long old small tall short Unit 4 Section A 1a~Pronunciation moss blue whale redwood tree cheetah While-listening 1b Listen to the conversations and number the plants and animals in 1a in the order you hear them. 3 1 4 2 Unit 4 Section A 1a~Pronunciation 1c Listen again. Match the words with the plants and animals in 1a. Some have two answers. A. heaviest B. largest C. most beautiful D. oldest E. fastest F. tallest Pay attention to the names of animals and plants. □ moss ____________ □ blue whale ____________ □ redwood tree ____________ □ cheetah ____________ D F B, A E, C Unit 4 Section A 1a~Pronunciation Conversation 1 Emma: Hi, Yaming. What are you doing? Yaming: Hi, Emma. I’m starting a test on animals and plants.① Emma: Sounds fun. Let’s take it together. Yaming: OK. First question. What’s the largest animal in the world? Emma: It’s the blue whale, right? Read the conversation and learn some languages points. Click to learn more! Unit 4 Section A 1a~Pronunciation Yaming: Right. It’s also the heaviest animal on earth. Next question. Which animal runs the fastest? Emma: Oh wait! I just read about it. The cheetah runs the fastest. Yaming: Right again! And I think it’s the most beautiful animal in the world. Emma: I completely agree with you.② Unit 4 Section A 1a~Pronunciation Conversation 2 Yaming: Now let’s answer the questions about plants. What is the oldest plant in the world? Emma: Hmm, I’m not sure. Do you have any idea? Yaming: Well, I think moss is one of the oldest plants. It appeared on earth around 470 million years ago... Oh, look here. I’m correct! Emma: Interesting! Let’s go on! Yaming: Which kind of tree is the tallest in the world? Emma: The redwood tree, right? Yaming: Yes! I hope I can see some one day. Unit 4 Section A 1a~Pronunciation Conversation 1 Emma: Hi, Yaming. What are you doing? Yaming: Hi, Emma. I’m starting a test on animals and plants. Emma: Sounds fun. Let's take it together. Yaming: OK. First question. What’s the largest animal in the world? Emma: It's the blue whale, right? Yaming: Right. It’s also the heaviest animal on earth. Next question. Which animal runs the fastest? Emma: Oh wait! I just read about it. The cheetah runs the fastest. Yaming: Right again! And I think it’s the most beautiful animal in the world. Emma: I completely agree with you. Let's analyze the conversations together. Expressions about world records in nature Expressing agreement Unit 4 Section A 1a~Pronunciation Conversation 2 Yaming: Now let’s answer the questions about plants. What is the oldest plant in the world? Emma: Hmm, I’m not sure. Do you have any idea? Yaming: Well, I think moss is one of the oldest plants. It appeared on earth around 470 million years ago... Oh, look here. I’m correct! Emma: Interesting! Let's go on! Yaming: Which kind of tree is the tallest in the world? Emma: The redwood tree, right? Yaming: Yes! I hope I can see some one day. Expressions about world records in nature Asking for advice Expressing wishes Unit 4 Section A 1a~Pronunciation Emma: Hi, Yaming. ________________________? Yaming: Hi, Emma. I’m starting a test on animals and plants. Emma: Sounds fun. Let’s take it together. Yaming: OK. First question. _____________________________ _________________? Emma: It’s the blue whale, right? What are you doing What’s the largest animal The Disappearing Dialogue in the world Unit 4 Section A 1a~Pronunciation Yaming: Right. It’s also the heaviest animal on earth. Next question. ____________________________? Emma: Oh wait! I just read about it. The cheetah runs the fastest. Yaming: Right again! And I think it’s the most beautiful animal in the world. Emma: I completely ______________ you. Which animal runs the fastest agree with Unit 4 Section A 1a~Pronunciation 1d Ask and answer questions about the plants and animals in 1a. Post-listening □ moss ____________ □ blue whale ________________ □ redwood tree ____________ □ cheetah _________________ oldest tallest largest, heaviest fastest, most beautiful Unit 4 Section A 1a~Pronunciation What is the largest animal in the world? The blue whale is the largest animal in the world. Interesting! … Unit 4 Section A 1a~Pronunciation Pronunciation Look at these words and try to read them. Pay attention to the pronunciation of the colored letters. cake time boy blind class glove brother crayon green Unit 4 Section A 1a~Pronunciation /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 ______ 1 Listen and repeat. Add one more word to each group. name bike enjoy block cloud glue break crowd grape 双元音 混合 辅音 Unit 4 Section A 1a~Pronunciation /eɪ/ /ɔɪ/ /aɪ/ 点击播放视频 点击播放视频 点击播放视频 How to pronounce it? Unit 4 Section A 1a~Pronunciation /bl/, /kl/, /gl/ /br/, /kr/, /gr/ 点击播放视频 点击播放视频 Unit 4 Section A 1a~Pronunciation Circle the word with the sound in each group. 1. /eɪ/ 2. /aɪ/ 3. /ɔɪ/ cat name apple angry sit fish sky insect dog coin open hot Unit 4 Section A 1a~Pronunciation glue cry bread clock Match Game green black /gr/ /bl/ /kl/ /gl/ /br/ /kr/ Unit 4 Section A 1a~Pronunciation 2 Listen and repeat. Notice the difference in stress and meaning of the same sentence. 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) Unit 4 Section A 1a~Pronunciation 通过重音变化，理解同一句话如何表达不同的重点。 重音变化 → 含义变化： 重读 “redwood forests” 👉 “I visited the REDWOOD FORESTS in California...” 强调：我去的是红木森林（不是其他森林） The stress Unit 4 Section A 1a~Pronunciation 重读 “in California” 👉 “I visited the redwood forests IN CALIFORNIA...” 强调：我去的是加州的红木森林（不是其他地方的） 重读 “several times” 👉 “I visited the redwood forests... SEVERAL TIMES.” 强调：我去过好几次（不是一次） The stress Unit 4 Section A 1a~Pronunciation Let’s read the following sentences. She bought a blue dress for the party. They played soccer after school. He ate three sandwiches at lunch. Pay attention to the stress of the colored words. Unit 4 Section A 1a~Pronunciation 开始对某事进行测试 ______________________ 最大的动物 ______________________ 同意某人或某事 ______________________ 继续 ______________________ Key Phrases the largest animal agree with sb/sth go on start a test on sth Unit 4 Section A 1a~Pronunciation Language Points 1. I’m starting a test on animals and plants. start v. 开始 常见用法： ① start + 名词/事情 ② start + to do / doing 开始做某事 ③ start + 形容词 变得…… 固定搭配： ① start with... 以……开始 ② start over 重新开始 Unit 4 Section A 1a~Pronunciation 根据汉语释义完成句子。 1. 我晚上7点开始写作业。 I ________ ________ ____________ at 7 PM. 2. 天开始下雨了。It ________ ________ rain. 3. 如果你的英语口语水平不高，你可以先从简单的句子开始练习。 If your spoken English is not good, you can ________ ________ simple sentences. 4. 没有人能让时光倒流，然后重新开始。 Nobody can turn the clock back and ________ ________. start my homework 返回 starts to start with start over Unit 4 Section A 1a~Pronunciation 2. I completely agree with you. agree v. 同意，表示与他人意见一致或接受某个观点。 反义词：disagree,其用法同agree 常见用法： ① agree with + 人/观点（同意某人或某事） ② agree to + 建议/安排（接受提议或计划） ③ agree + that从句（同意某个陈述） Unit 4 Section A 1a~Pronunciation 固定搭配 ① agree on... （就某事达成一致） ② agree to do sth （同意做某事） 根据汉语释义完成句子。 1. 我同意你的意见。 I _______ _______ your opinion. 2. 我们同意去那里。 We _______ _______ _______ there. agree with agreed to go Unit 4 Section A 1a~Pronunciation 返回 3. 他们同意了这个计划。 They _______ _______ the plan. 4. 我们都认为英语很有趣。 We _______ _______ _________ _______ _______. 5. 他们商定了会面时间。 They _________ _______ a meeting time. agreed to agree that English is fun agreed on Unit 4 Section A 1a~Pronunciation Exercises 一、选词填空。 In the forest, soft green ___________ covers ancient rocks. Nearby, a giant ___________ tree stands over everything. Suddenly, A beautiful _________ passed by at a high speed. These show how amazing nature is. moss redwood cheetah redwood cheetah moss Unit 4 Section A 1a~Pronunciation 二、完成句子。 1. 汤姆和我的看法一致。我完全赞同他的观点。 Tom and I hold the same opinion. I totally _______ _______ _______. 2. 老师告诉我们下周一要开始测试第三单元的内容。 The teacher told us to ______ ______ _____ _____ Unit 3 next Monday. 3. 短暂休息之后，学生们继续进行他们的科学实验。 After a short break, the students _______ _______ with their science experiment. agree with him start a test on go on Unit 4 Section A 1a~Pronunciation Summary 1. Topic: World records in nature 2. Words and Expressions: moss, redwood, cheetah 3. Key sentences: —What's amazing about the blue whale? —It's the largest/ biggest animal in the world. Unit 4 Section A 1a~Pronunciation null 108541.555 null 106007.43 null 230675.92 null 29962.666 $