Unit 6 Section B 第4课时 3a～Self Check-【初中学霸创新题】2025-2026学年九年级全册英语同步课件(人教版)

该初中英语课件围绕“发明与被动语态”核心，通过Revision复习短语搭建语言基础，Free talk结合生活问题（如课堂记笔记快、早起困难）引导学生思考发明，3a从问题到发明设想（如特殊笔、闹钟）构建思维支架，3b结合结构指导完成写作输出，形成从输入到输出的连贯学习链。 其亮点在于任务驱动整合语言能力与思维品质，3a让学生分析自身问题（如做作业→作业机器人）创造发明设想，3b提供写作结构（opening point等）指导表达，提升逻辑与创造思维。采用“问题-发明-描述”教学法，学生强化被动语态运用和写作能力，教师可高效实现从语言输入到综合输出的教学目标。

Section 第 4 课 时 (3a~Self Check) …………………………………… B Unit 6 When was it invented? 学习新单词：nearly 复习、巩固本单元所学的单词和短语 能够针对存在的问题想出相应的发明设想，并进行准确表述。 会写描述某项发明的文章。 Learning Goals 1 2 3 2 1. 发生；出现 _________________________ 2. 偶然；意外地 ____________________________ 3. 有道理 ____________________________ 4. 毫无疑问 ____________________________ 5. 突然；猛地 _______________________ 6. 不但……而且…… _________________________ Revision take place have a point without doubt all of a sudden not only...but also... by accident 3 · What do you want to invent? · Why? · What is it made of/from? · What is it used for? Free talk 设计意图：Encourage students to communicate with each other, review the knowledge we have learnt. Enable students to output the language confidently . 操作建议：Work in pairs. 4 Ha, I want to invent a special broom. What do you want to invent? What is it made of? It’s made of stainless steel. 5 It is used for flying to the sky. What is it used for? When can it be used? If you have some-thing urgent, the traffic is very busy, then we can use it. 6 This kind of broom is much cheaper than the helicopter. Every-one can afford it. How much will it cost? 7 Think of something that you do not like to do. Then think of an invention that could help you. Make notes. 3a 1. Problem: __________________________ New invention: _____________________ What it is used for: __________________ a special pen quickly taking notes in class taking notes in class 3. Problem: _______________________________ New invention: __________________________ What it is used for: _______________________ 2. Problem: _______________________________ New invention: __________________________ What it is used for: ______________________ a special clock getting up early waking me up doing homework a robot doing homework with me This special pen was invented by Liu Jie. It has three colors and is used for … Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 3b ...was invented by... It is used for...It is useful if... opening point ...comes with... When you..., you just need to... main part I believe that... ending 结构 This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly. It is useful if you have to write down a lot of notes. The pen comes with a microchip that can store lots of words and sentences that you need to use. Sample writing When you are writing, you just need to write the short forms with the pen. Then press a button on the pen, and all the short forms will change into the actual words. I believe that the special pen will become more and more popular. Self Check Complete the passage with the correct forms of the words in the box. 1 invent doubt mention website all of sudden It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may _______ things which are nearly the same. It’s hard to tell who came up with the idea first. invent invent doubt mention website all of sudden Some inventions can also lead to other inventions _____________. So some people _______ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or _________ usually _________ more than one inventor when giving information about inventions. all of a sudden doubt websites mention Rewrite these sentences using the passive voice. 2 1. Someone stole my watch. ________________________________________ 2. They used five eggs to make this big cake. ____________________________________________ 3. When did they invent the personal computer? ____________________________________________ My watch was stolen (by someone). When was the personal computer invented? Five eggs were used to make this big cake by them. 4. They asked us not to run in the hallway. _________________________________________ _________________________________________ 5. Someone took the video back to the store. _________________________________________ _________________________________________ The video was taken back to the store (by someone). We were asked not to run in the hallway (by them). Find out information about an invention you would like to know more about and write sentences below. 3 Invention: _________________________________ When: _________________________________ Who: _________________________________ Purpose: _________________________ ________ in 2013 umbrella with a light Li Meng seeing in the rain in the dark 1. Now computers are widely used in our ______ (day) lives. 2. He mentioned _________ (hear) from her often. 3. The soup is very _______ (salt) because my mother put lots of salt on it. 4. Since then, the ___________ (popular) of basketball has risen quickly. 5. I have worked here for _______(near) two years. Ⅰ.用所给单词的适当形式填空 Practice hearing salty popularity nearly daily Ⅱ．按要求改写句子 1. The teacher gave the students some advice. (改成被动语态) __________________________________________________ 2. He was seen to read a book in his room. (用I作主语, 改为主 动语态) __________________________________________________ 3. She was helped by all the people. (改成一般疑问句) __________________________________________________ Some advice was given to the students by the teacher. I saw him read a book in his room. Was she helped by all the people? ※ Preview the new words and expressions. ※ Write a passage with “be used” to introduce a product. Homework 21 绿卡图书—走向成功的通行证 $$