Unit 6 Section B 3a-Self Check课件-2024-2025学年人教版英语九年级全册

Unit 6 When was it invented ？ Section B 3a-Self Check Learning objects By the end of the class, you will be able to … 1. Learn how to write the expository writing and consolidate the usage of passive voice. 2. Know more about great inventions and arouse the interest in inventing. Free talk Do you think they are useful invention? What problem do you meet in your life? Can you invent something to solve it? How many inventions have been mentioned in this unit? computer car zipper T V telephone basketball tea potato chips Can you talk about them? Who?/When?/How?/What?...... Warming-up 4 Inventions are everywhere in our life. They are very useful and helpful. 5 Think of something that you do not like to do. Then think of an invention that could help you. Make notes. 3a ·Problem: __________________________ ·New invention: _____________________ ·What it is used for: ___________________ a special pen quickly taking notes in class taking notes in class Can you think about more details about this pen? What is it made of? What special thing does it have? What does it look like? How can it help you? Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 3b ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ This special pen was invented by Liu Jie. It has three colors and is used for ... 写作任务 学校英文网站最近正在举行题为 “My favorite invention” 的征文比赛。假设你是王华, 打算参加这次比赛。请根据以下内容提示, 写一篇英语作文, 不少于80词。 light bulb Inventor Thomas Edison, 美国发明家 Time 1879年10月21日 Material 玻璃和金属 Use 照明, 让人们在夜晚工作或学习成为可能 Advantage 节能(save energy), 环保, 便宜 9 五、写作模板 我最喜欢的发明 开门见山，点出自己最喜欢的明发明是得很么 详细地介绍发明家、发明的时间、材料、用途及优点 提出自己的希望 However, my favorite invention is the light bulb. ·It was invented by... ·And it was invented on... ·The first light bulb was made of... ·They can help to... ·What’s more, they are... I hope it will become more and more useful in the future. 10 六、 满分作文 ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ My favorite invention Hello, everyone! My name is Wang Hua. There are lots of great inventions in the world. They have changed our world a lot. However, my favorite invention is the light bulb. It was invented by Thomas Edison, a great American inventor. And it was invented on October 21, 1879. The first light bulb was made of glass and metal. 11 ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ It was used for providing people with light and the invention made it possible for people to work and study at night. Now the invention has been improved a lot. People are making better lighting products. They can help to save energy and protect the environment. What’s more, they are cheaper. I hope it will become more and more useful in the future. 12 1 Complete the passage with the correct forms of the words in the box. invent doubt mention website all of a 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. Some inventions can also lead to other inventions invent Self Check 想出；提出（主意、计划、回答等） ______________. 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 2 Rewrite these sentences using the passive voice. 1. Someone stole my watch. 2. They used five eggs to make this big cake. Five eggs were used to make this big cake by them. My watch was stolen by someone. 3. When did they invent the personal computer? 4. They asked us not to run in the hallway. 5. Someone took the video back to the store. When was the personal computer invented by them? We were asked not to run in the hallway by them. The video was taken back to the store by someone. Find out information about an invention you would like to know more about and write sentences below. 3 Invention: _____________________________ When: ________________________________ Who: _________________________________ Purpose: ______________________________ 1. During the afternoon, there was a _______ (suddenly) heavy fall of snow. 2. I think the telephone _____________ (invent) before the car. 3. The __________ (Canada) song Alouette(百灵鸟) is a fun song about a bird. 一、 用所给单词的适当形式填空。 sudden was invented Canadian Exercises Exercises 4. They ____________ (invite) to take part in the May Day celebrations in Beijing. 5. The ___________ (popular) of private cars is changing the people’s life style. 6. When the bill ____________ (bring) to him, he was such surprised. were invited popularity was brought Exercises Thank You Lavf57.62.100 $$