Unit 3 Section A（1a-1e）-【精品课】2025-2026学年八年级英语上册同步精品课件（人教版2024）

该初中英语课件围绕形容词和副词比较级展开，通过“珠宝店失窃案”情境导入，学生以侦探学员身份学习描述人物、比较差异，从词汇（如fast/slow、shy/outgoing）到比较结构（as...as...、比较级+than），再到听力预判和对话应用，构建从基础到综合的学习支架。 其亮点在于情境化任务驱动，融合语言能力（听力关键信息提取、对话练习）和思维品质（比较推断），如“Detective Lessons”分步骤达成目标，小组竞赛（快速抢答比较级）提升参与度，帮助学生在真实情境中运用语言，教师可通过结构化活动高效落实教学目标。

Section A 1a--1e Unit3 They are twin sisters. The girl on the left is outgoing and likes playing table temmis. The girl on the right is shy and enjoys reading. 1. What is the possible relationship between the girls in the photo? 2. What do they have in common? 3. How are they different from each other? Look and share n. 双胞胎 Looks, heights and school uniforms . adj. 外向的 adj. 害羞的 How do we compare with each other? /kəmˈpeə(r)/ v. 比较；对比 How do we compare with each other? /kəmˈpeə(r)/ v. 比较；对比 01 02 03 04 教学目标 能够掌握本节课上遇到的新单词和重点句型; 能够了解比较级用法；能够在语境中运用所学的知识。 能够自主采用合适的方式、方法观察和理解所学内容中语言结构，从而更好地锻炼思维的灵活性。 引导学生通过比较活动，了解人和人之间的许多方面是不同的；培养他们良好的性格品质。 能够结合图片等学习活动，对听力内容进行预判；通过听说活动，提高学生的听力能力及口语表达能力。 A jewelry stop was stolen yesterday. （珠宝店） （被偷） A necklace was stolen. （项链） （被偷） Do you know who is the criminal? 罪犯 As detective trainees, today you will learn some useful skills. □ How to describe people □ How to compare people □ Get information from description □ Conversation □ Find the criminal □ How to describe people □ How to compare people □ Get information from description □ Conversation □ Find the criminal fast slow /fɑːst/ /sləʊ/ shy outgoing /ʃaɪ/ /ˈaʊtɡəʊɪŋ/ late early /leɪt/ /ˈɜːli/ tall short /tɔːl/ /ʃɔːt/ lazy hard-working /ˈleɪzi/ /ˌhɑːd ˈwɜːkɪŋ/ loud quiet /laʊd/ /ˈkwaɪət/ funny boring /ˈfʌni/ /ˈbɔːrɪŋ/ fast slow shy outgoing late early tall short lazy hard-working loud quiet funny boring Match each word with its opposite. 1a opposite/ˈɒpəzɪt wɜːdz/反义词 fast shy late tall lazy loud funny outgoing boring short quiet early slow hard-working loud /laʊd/ adv. 响亮地 adj. 大声的 fast shy late tall lazy loud funny outgoing boring short quiet slow hard-working fast slow early late Adj. Adv. □ How to describe people □ How to compare people □ Get information from description □ Conversation □ Find the criminal Lily Rose Emily Sophia Same Lily Rose ► Lily is tall . ► Rose is tall . as … as … 和 … 一样 … Same Lily Rose ► Lily is tall . ► Rose is tall . as … as … 和 … 一样 … Same Lily Rose ► Lily is tall . ► Rose is tall . as … as … 和 … 一样 … Same Lily Rose ► Lily is tall . ► Rose is tall . as … as … 和 … 一样 … Lily和Rose一样高。 Tom runs fast. Tom Mark Mark runs fast. as … as … 和 … 一样 … Tom runs as fast as Mark. Emily Summer Emily is tall. Summer is tall . Emily Summer Emily is tall. Summer is tall . er tall taller 高 更高 than Emily 比 单词 原级 比较级 fast 快的 late 晚的 tall 高的 loud 大声的 short 矮的；短的 quiet 安静的 slow 慢的 shy 害羞的 lazy 懒惰的 funny 有趣的 early 早的 faster later taller louder shorter quieter slower shier lazier funnier earlier 一个合格的侦探应具备基本的逻辑推理能力。所以，基于我们对动词过去时变化的学习，推断出这些单词的比较级。我相信你们，你们是我最得意的学生。 单词 原级 比较级 outgoing 外向的 boring 无聊的 hard-working 勤奋的 more outgoing more boring more hard-working 这几个是特殊情况，需要我摩尔侦探的帮助： 它们属于多音节形容词，英语中多音节形容词（一般三个或三个以上音节 ）的比较级通常借助 more 来构成 ，不能直接加 -er 。 单词 原级 比较级 good 好的 动词过去式中存在不规则变化，如： give – gave; go - went better My English is good, but yours is better. 比较级中也有这样的情况 Summary 1. 一般直接加-er：tall → taller, strong → stronger 2. 以e结尾加-r：nice → nicer, fine → finer 3. 辅音+y结尾变y为i加-er：happy → happier 4. 多音节词：前加more：beautiful → more beautiful 5. 不规则变化：good-better 快速抢答，大声说出所看到单词的比较级 Quick-fire round! Shout out the comparative form of the word you see. fast slow outgoing early tall lazy hard-working loud quiet funny good fast slow shy outgoing late early tall short lazy hard-working loud quiet funny boring Try to write down the comparatives(比较级) of these Adjs. 1a faster shyer later taller lazier louder funnier slower more outgoing earlier shorter more hard-working quieter more boring □ How to describe people □ How to compare people □ Get information from description □ Conversation □ Find the criminal 2.What are they doing? They are performing [pəˈfɔːm] on the stage. They are playing the flute. 1.What is happening at school ? 1. The school is holding a music fastival. Let’s predict Conversation1： at the music club at the music festival Conversation2： at the music club at the music festival √ √ Listen to the conversations. Tick the locations where the conversations take place. 1b take place . 发生 location n. 位置；地点 Listening tip: Before listening, pay attention to the key words first. 1. Peter and Chen Jie are talking about the ___________________. Chen Jie is afraid of performing alone so they solve the problem by playing a song _________. 2. Mrs Brown and Peter are talking about _________ and _________show. school music festival together Ella Emma’s Listen to the conversations again and complete the sentences. /ə'ləʊn/ adv. 独自 1c □ How to describe people □ How to compare people □ Get information from description □ Conversation □ Find the criminal Post-listening Listen again and fill in the blanks. Peter: Chen Jie, did you ___________ the school music festival? Chen Jie: Yeah, it sounds fun. Peter: Why don’t you perform? You play the Chinese flute _________ than anyone else in our music club. Chen Jie: Well, I’m afraid of ___________ alone. I’m not _________________ you. Peter: But you work ________ than me. And last week you played a really beautiful song! Chen Jie: You liked it? Maybe we could play it together! Peter: Great idea! hear about as outgoing as better performing harder Conversation 1: 1b good---better You are outgoing, but I’m not. hard---harder getting information from others. 861b240d-cd4e-4b4b-87c2-161e8c2fa4ea.source.default.zh-Hans Listen to the two conversations again. Match the characters with the correct descriptions. 1d plays the Chinese flute better is more outgoing is shyer works harder Chen Jie Peter Emma Ella is taller has longer hair sings louder dances better /ˈkærɪktəz/ n. 角色 Listen and fill in the blanks. Mrs Brown: I loved your _____________! You two did a wonderful job! Peter and Chen Jie: Thank you! Peter: Look, it’s time for Ella and Emma’s show! Mrs Brown: Is that Ella singing? Peter: No, that’s Emma. Emma is ______ than Ella. And she sings ________ than Ella. Chen Jie: Look! That is Ella dancing. Her hair is _________ than Emma’s. Peter: They both dance well, but I think Ella dances ________ than her sister. performance taller louder longer better 1c Conversation 2: perform---performance /pəˈfɔːməns/ 动词以 -form 结尾 → 名词加 -ance tall---taller loud---louder long---longer In what way are they different? plays the Chinese flute better shyer more outgoing work harder Chenjie plays the Chinese flute better than Peter. Chenjie works harder than Peter. Chenjie is shyer than Peter. Chenjie is not as outgoing as Peter. In what way are they different? Emma sings louder than Ella. Ella dances better than Emma. Emma Ella Appearance Ability Emma has longer hair than Ella. Ella has shorter hair than Emma. Part 4. Are you different from others? In what aspects are you different? Differences Appearance（外貌） Personality（性格） Hobbies（爱好） Abilities（能力） Interests （兴趣） Values （价值观） ... Use the information from 1d to make comparisons. 1e Chen Jie Peter Emma Ella plays the Chinese flute better is shyer works harder is more outgoing is taller sings louder has longer hair dances better Is Ella taller than Emma? No, she is shorter than Emma. … Who dances better, Ella or Emma? □ How to describe people □ How to compare people □ Get information from description □ Conversation □ Find the criminal Which team is the best detective? Language Points! 1. Why don’t you perform? 你为什么不表演呢？ perform v. 表演，演出；执行，履行，做；表现，运转 例如：The band will perform on stage tonight. 这支乐队今晚将在舞台上表演。 You should perform your duty. 你应该履行自己的职责。 The new car performs well on long-distance drives. 这辆新车在长途行驶中性能良好。 (1) performance n. 表演；演出；表现；业绩 例如：The performance was a great success. 这场演出非常成功。 (2) performer n. 表演者。 例如：The performers on stage were very talented. 舞台上的表演者都很有才华。 Language Points! 2. You play the Chinese flute better than anyone else in our music club. 你吹中国笛子比我们音乐俱乐部里的任何人都好。（比较级表示最高级的用法） better, 副词well的比较级。形容词和副词的比较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，比较级词尾加-er taller；shorter；faster 以字母e结尾的词，比较级词尾加-r larger；later 重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，然后比较级词尾加-er bigger；fatter；thinner 以“辅音字母+ y”结尾的双音节词，先把y改为i，然后比较级词尾加-er easier；heavier；earlier 多音节词和部分双音节词 词前加more构成比较级 more beautiful；more popular Language Points! 不规则变化如下： Emma is taller than Ella. And she sings louder than Ella. Her hair is longer than Emma’s. They both dance well, but I think Ella dances better than her sister. 原级 比较级 good / well better bad / badly worse many / much more little less far farther further 例如： You play the Chinese flute better than anyone else in our music club. But you work harder than me. Language Points! 3. I’m not as outgoing as you. 我不像你那么外向。 as + 形容词或副词原形 + as (1) 表示两者在某一方面相同时，用“as + 形容词或副词原形 + as”的句型。 例如：This apple is as sweet as that one. 这个苹果和那个一样甜。 Tom runs as fast as John. 汤姆跑得和约翰一样快。 (2) 表示一方在某一方面不及另一方时，用“not as / so + 形容词或副词原形 + as”的句型。 例如：This movie is not so interesting as the book. 这部电影不如书有趣。 He doesn’t work as hard as his classmates. 他学习不如同学努力。 Exercise-根据句意和汉语提示完成句子 1. We should not be ______ (懒惰的) and always try our best to finish the tasks. 2. Lucy is a ________________ (勤奋的) girl. She often studies late at night. 3. Let's work together to _________ (解决) this difficult math problem. 4. Can you ___________ a magic trick for us at the party? 5. My friend is very __________ (外向的) and she can easily make new friends. lazy hard-working solve perform outgoing Exercise-翻译题 1. 露西比她妹妹更外向。 Lucy is more outgoing than her sister. 2. 玛丽吹长笛比班上任何人都好。 Mary plays the flute better than anyone else in the class. 3. 这个问题比我想的更难解决。 This problem is more difficult to solve than I thought. 4. 安静点！别像你弟弟那么大声。 Be quiet! Don’t be as loud as your brother. Why is everyone different from each other? Because everyone has different personalities, hobbies, looks and abilities. We are unique. 8777.159 10057.141 Blues 69456.0 null 90515.305 $