Unit 4 SectionA(1a-Pronunciation)（PPT课件）-【学海风暴】2025-2026学年新教材八年级上册英语同步备课（人教版2024）

该初中英语课件以植物主题对话听力导入，通过问答（如世界最古老植物、最高树木）激活兴趣，衔接字母及组合发音规律（a/ai/ay发/eɪ/，i/y/igh发/aɪ/等）、句子重读规则及最高级句型，构建从语境输入到语言规则再到应用的学习支架。 其亮点在于系统归纳发音规律（表格呈现字母组合与发音对应，如oy/oi固定发/ɔɪ/），结合对话语境渗透最高级句型，通过逻辑重音分析培养思维品质；采用任务型活动（Listen and repeat, 对比记忆口型差异）和分层练习，提升语言能力与学习能力。学生能在情境中掌握规则，教师可借助清晰框架高效实施教学。

Unit 4 Amazing Plants and Animals 八年级英语人教版·上册 Section A (1a-Pronunciation) 授课人：XXXX 1 软件 使用 视频 播放 字体 显示 同步 配套 本课件使用office2016制作，请使用相应软件打开并使用。由于 WPS软件原因，少量电脑可能存在理科无公式动画的现象，请使用相应软件打开并使用 若因软件问题视频无法打开，请在相应的视频文件夹打开原视频 如果有的字体不能显 示，请先把字体包中的 字体直接复制粘贴至C:\WINDOWS\Fonts 即可 依据最新教材划分课时，内容与教材同步 学海风暴®系列 一、新课引入 Do you know them? kangaroo lion cheetah 学海风暴®系列 一、新课引入 Compare their speed! fast faster the fastest 学海风暴®系列 一、新课引入 talk about some more amazing animals or plants Free talk 学海风暴®系列 二、新课讲解 Look at the plants and animals. Use the words in the box to talk about them. 1a beautiful big fast heavy large long old small tall short beautiful big fast heavy large long old small tall short moss: ______________ redwood tree: ________ blue whale: ___________ cheetah: ______________ 学海风暴®系列 二、新课讲解 Language points old 旧的；年老的 old是读音以元音音素开头的单词，修饰单数名词时，其前若用不定冠词，则用an。 Mr Green is very old; he is an old man. 格林先生很老了，他是位老人。 This bike is very old. 这辆自行车很旧。 学海风暴®系列 二、新课讲解 Language points 【拓展】elder作形容词，意为“年纪较长的”，其反义词为younger (较年轻的)。 His elder son Tom became a lawyer. 他的大儿子汤姆当了律师。 【辨析】elder与older 词汇 含义 用法 elder 年纪较大的 (指人) 用来比较年龄大小，尤其是兄弟姐妹之间的关系，只能作定语，不能与than连用 older 年龄较大的 (指人)；更旧，较旧的 (指物) 在句中既可作定语，也可作表语，还可与than连用 学海风暴®系列 Listen to the conversations and number the plants and animals in 1a in the order you hear them. 1b 二、新课讲解 moss redwood tree blue whale cheetah 1 2 3 4 学海风暴®系列 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. 二、新课讲解 Listen and check the answer. on earth 在地球上；世界上 read about 读到；查阅到 agree with sb 同意某人的看法 学海风暴®系列 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. 二、新课讲解 Listen and check the answer. one of the + 形容词最高级 + 可数名词复数 最……的……之一 one day 某一天 学海风暴®系列 cheetah: ______________ blue whale: ____________ 二、新课讲解 Listen again. Match the words with the plants and animals in 1a. Some have two answers. 1c beautiful big fast heavy large long old small tall short A. heaviest B. largest C. most beautiful D. oldest E. fastest F. tallest moss: ______________ redwood tree: _________ D A, B F C, E 学海风暴®系列 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. 二、新课讲解 Listen and check the answer. 学海风暴®系列 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. 二、新课讲解 Listen and check the answer. 学海风暴®系列 二、新课讲解 Ask and answer questions about the plants and animals in 1a. 1d It’s the largest / biggest animal in the world. What’s amazing about the blue whale? 学海风暴®系列 字母/组合 发音 发音规律 例词 a /eɪ/ 开音节、a + 辅音 (非 r/w) + e cake, name, table ai 多数情况位于词中 / 词尾 rain, train, pain ay 通常位于词尾 day, play, today 二、新课讲解 字母/组合a, ai, ay 学海风暴®系列 字母/组合 发音 发音规律 例词 i /aɪ/ 开音节、重读音节 hi, like, diˈvide y 词尾重读音节 my, fly, shy igh 固定组合，基本发/aɪ/音 high, night, light 二、新课讲解 字母/组合i, y, igh 学海风暴®系列 字母组合 发音 发音规律 例词 oy /ɔɪ/ oy 作为词尾组合时，几乎固定发 /ɔɪ/，常见于名词或动词 boy, toy, enjoy oi oi 多在词中构成重读音节，发 /ɔɪ/，常见于名词、形容词或动词 coin, noisy, join 二、新课讲解 字母组合oy, oi 学海风暴®系列 二、新课讲解 bl, kl, ɡl 的发音规律 字母组合 发音 例词 发音关键点 bl /bl/ blue, block 闭唇→舌侧音衔接 cl /kl/ clock, class 舌根抵软腭→接舌侧音 gl /ɡl/ glass, glove 浊辅音 /ɡ/→接舌侧音 学海风暴®系列 二、新课讲解 br, kr, ɡr 的发音规律 字母组合 发音 例词 发音关键点 br /br/ brown, bring 闭唇→卷舌音衔接 cr /kr/ cry, cream 清辅音 /k/→接卷舌音 gr /ɡr/ green, grow 浊辅音 /ɡ/→接卷舌音 学海风暴®系列 二、新课讲解 对比记忆：/l/ 与 /r/ 连缀的口型差异 连缀类型 口型与发音要点 例词 含 /l/ (舌侧音) 舌尖抵上齿龈，气流从舌两侧流出，口型较平 blue 含 /r/ (卷舌音) 舌尖上卷靠近上齿龈，气流振动声带，口型稍圆 brown 学海风暴®系列 二、新课讲解 Listen and repeat. Add one more word to each group. 1 /eɪ/ /aɪ/ /ɔɪ/ /bl/ /kl/ /ɡl/ /br/ /kr/ /ɡr/ 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 _______ today light join blood class glue brother create green 学海风暴®系列 二、新课讲解 Listen and repeat. Notice the difference in stress and meaning of the same sentence. 2 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) 学海风暴®系列 重读的特殊情况 二、新课讲解 句子逻辑的重音往往取决于说话人所强调的重点，在某些情况下，一般不重读的词也可以重读，反之，一般重点的词也可以不重读。以“Let me try that.”为例： Let me try that. (强调“让”我试，而不是别的) Let me try that. (强调让“我”试，而不是让别人) Let me try that. (强调让我“试”，但不一定能做好) Let me try that. (强调试“那个”，而不是这个) 学海风暴®系列 三、归纳小结 1. new words and phrases: moss, redwood, cheetah 3. target language: (1) 主语+be动词+the+形容词最高级(+of/in短语). (2) 主语+谓语动词+(the+) 副词最高级(+of/in短语). 2. pronunciation: 掌握a, ai, ay, i, y, igh, oy, oi, bl, cl, gl, br, cr, gr的发音规律；掌握句子重读 学海风暴®系列 四、强化训练 一、选出画线部分发音不同的一项 ( ) 1. A. away B. rain C. grade D. flat ( ) 2. A. nice B. give C. by D. night ( ) 3. A. boy B. toy C. stay D. point ( ) 4. A. bread B. brown C. branch D. blue ( ) 5. A. climb B. cry C. club D. clean ( ) 6. A. glass B. glue C. glad D. crazy D B C D B D 学海风暴®系列 四、强化训练 二、单项填空 ( ) 1. Xi’an is ______ old and beautiful city. A. a B. an C. the D. / ( ) 2. My brother is only 12 years old, but he is ______ in my family. He grows very fast. A. tall B. taller C. tallest D. the tallest ( ) 3. —We should keep students away from the Internet. —______. They need to go on the Internet for useful information. A. I hope so B. I agree with you C. Sounds good D. I can’t agree with you A D D 学海风暴®系列 五、布置作业 1. 和同桌使用“主语+be动词+the+形容词最高级(+of/in短语).” “主语+谓语动词+(the+) 副词最高级(+of/in短语).” 等句型进行对话练习。 2. 写出音标中含有/eɪ/, /aɪ/, /ɔɪ/, /bl/, /kl/, /ɡl/, /br/, /kr/, /ɡr/的单词，每类各2个。 学海风暴®系列 null 115621.43 null 67133.43 null 27402.607 $