Unit 2 Clean our classroom （课件）-2025-2026学年译林版（三起）英语三年级下册

该小学英语课件围绕“Clean our classroom”主题，涵盖教室物品词汇（window, desk等）、清洁动作短语（clean the blackboard等）及“Let’s...”句型，通过“Big question”和“What’s this?”提问导入，从单词识别到句型运用再到课文对话，构建递进式学习支架。 其亮点在于融合语言能力与思维品质，如“Quick Response”活动让学生快速说短语并做动作提升语言反应，Cartoon time情境对话培养合作表达；“Careful reading”细节提问发展思维，助力学生主动运用策略，教师可借结构化活动提升教学效率。

Clean our classroom UNIT 2 单词学习 Where are they? They are in the classroom. 教室，课堂 What are they doing? Let’s clean our classroom. 我们的 How do you clean your classroom? Big question 想一想 想一想 窗，窗户 What’s this? Window, window, It’s a window. Close the window. 关，关闭 关窗户 椅子 What’s this? Chair, chair, It’s a chair. Clean the chair. 擦椅子 课桌，书桌 What’s this? Desk, desk, It’s a desk. Clean the desk. 擦桌子 黑板 What’s this? Blackboard, blackboard, It’s a blackboard. Clean the blackboard. 擦黑板 地板，地面 What’s this? Floor, floor, It’s the floor. 打扫，清扫 Sweep the floor. 扫地 Look! The desk is messy(杂乱的). What should we do? 将······收起； 把······放回原处 Put away the books. 将书收起来 课文学习 18 Who gives the orders? 谁发号施令？ Bobby Look and predict What will Bobby say to Sam and Max? Bobby会对Bobby和Max说些什么呢？ … … Look and predict Sam, _________ _____, please. OK. Listen and find the answers sweep the floor Please __________ ______________, Max. OK. clean your desk and chair Then what does Bobby find? Look! That desk is dirty! The desk is ______ (clean/ dirty). dirty Look and say 肮脏的 Oh, it’s ____ desk... my Whose(谁的) dirty desk is it? It’s Bobby’s desk. How does Bobby feel at the moment? He feels embarrassed (尴尬的). Cartoon time Let’s clean our classroom! 1 A dirty desk Good idea! Sam, sweep the floor, please. OK. 2 Please clean your desk and chair, Max. OK. 3 Look! That desk is dirty! 4 Oh, it’s my desk... 5 Let’s know more details about cleaning. Careful reading 1 What does Wang Bing suggest(建议)? Our classroom is dirty. _____________. Let’s clean it. OK! 2 What do Su Hai and Yang Ling do? I can ______ ____ ____________. Me too! clean the blackboard 我也是！ 通常用于表示自己也拥有相同的 感受、经历或情况 They clean the blackboard. For example I can clean the window. Me too! I can put away the toys. Me too! What does Wang Bing do? He cleans the desk. 3 What do Liu Tao and Mike do? Let’s ______ ____ ______. sweep the floor OK. They sweep the floor. What do Wang Bing and Yang Ling do? Let’s ____ _____ ____ ______, Yang Ling. put away the books All right. 4 好的。 They put away the books. What do Mike do in the end? Please ______ ____ _______, Mike. close the window OK. 5 He closes the window. Tip: Use “please” to be polite. See page 76. Is the classroom clean now? 洁净的， 干净的 Thanks, Mike. Our classroom is clean now. 5 Yes, it’s clean. What should they do from now on? Yes. _____ _____ ___ _____. Let’s keep it clean They should keep the classroom clean. （使）保持，处于 Listen, read and repeat Let’s clean our classroom Our classroom is dirty. Let’s clean it. OK! 1 I can clean the blackboard. Me too! 2 Let’s sweep the floor. OK. 3 Let’s put away the books, Yang Ling. All right. 4 Please close the window, Mike. OK. 5 Thanks, Mike. Our classroom is clean now. Yes. Let’s keep it clean. 5 知识点学习 48 同意：OK!/ Great!/ Good idea! 不同意：No./ Sorry, … Let’s+动词原形+(其他). 提出行动建议的 “Let’s …” 提议一起做某事 句型1 答语 let’s = let us 用法 Do 型祈使句的肯定形式 实义动词原形(+其他). 句型2 表达请求、命令、劝告等 用法 注意 为表示委婉，可以在句首或句末 加上please，句末加时，其前要 加逗号. 复习与巩固 51 What can you see in the picture? window blackboard chair desk floor Revision Quick Response Say the phrases quickly and act accordingly. 快速说出看到的短语，并做出相应的动作。 clean the blackboard clean the desk close the window sweep the floor put away the chair clean the window 54 $