Unit 6 Section B (3a～Self check)课件-2024-2025学年人教版九年级英语全册

When was it invented? Section B (3a~Self check) Lead in I think we all have something that we don’t like to do in our daily lives. What are they? Can you invent something to solve the probelms？ Lead in What are they that you don’t like to do? Can you invent anything to solve the probelms？ I don’t like getting up in the morning. I want to invent a robot that can help me wear clothes, wash my face, brush my teeth and prepare everything for school. Finally, it can wake me up on time. Lead in What are they that you don’t like to do? Can you invent anything to solve the probelms？ I don’t like doing homework. I want to invent a robot that can know my homework that I can do and that I can’t do. It can help me finish my homework I can do quickly. I only do my homework that I can’t do by myself. Lead in What are they that you don’t like to do? Can you invent anything to solve the probelms？ I am afraid to speak in public, so I don’t like speaking in public. I want to invent a special pen that not only gives me confidence and bravery, but also can tell me the information that I should say in public. Lead in Great. They all have the rich imaginations. A rich imagination plays an important role in inventing. So I hope everyone has a ruch imagination. Now use your imagination to complete 3a and 3b. presentation Think of something that you do not like to do. Then think of an invention that could help you. Make notes. 1. Problem: __________________________ New invention: _____________________ What it is used for: __________________ a special pen quickly taking notes in class taking notes in class presentation Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. This special pen was invented by Liu Jie. It has three colors and is used for … presentation 假设这周你们学校的英语角谈论的话题是“手机的发展史”，请你根据图示要点和同学们谈论一些手机的发展变化，并描述你对未来手机的畅想。 The first phone Invented by Martin Cooper in 1973 Big and heavy, Only used for making calls. Now Smart phones Small and light, Have many uses presentation 【审题】 题材：___________________ 人称：___________________ 时态：___________________ 语态：___________________ Writing guide 说明文 被动语态 第三人称 以一般现在时为主 presentation The structure of the text beginning Today, more and more people have their own mobile phones. Without doubt, mobile phones have become the necessary things in our daily life. body the appearance and uses In the past today In the future ending In a word, the mobile phones play an important role in our lives. Thanks to them, our lives are becoming more and more convenient, but do remember to use it wisely. presentation What can we do on the phone？ watch movies watch short videos listen to music attending meeting online shoot video take pictures study chat on Wechat make video calls text messages make phone calls read or listen to books presentation body the appearance and uses The first phone was invented by Martin Cooper in 1973. It was big and heavy like a brick. It was only used for making calls. Thanks to it, people could have a contact with each other whereever they were. But now, smart phones are not only small and light, but also they have many uses. For example, people can take pictures and shoot videos through phones. People can also use smart phones to shop online and pay for almost everything in China. In the future, the smart phones will be as thin as paper and as light as feather. The phones will become smarter. presentation Today, more and more people have their own mobile phones. Without doubt, mobile phones have become the necessary things in our daily life. The first phone was invented by Martin Cooper in 1973. It was big and heavy like a brick. It was only used for making calls. Thanks to it, people could have a contact with each other whereever they were. But now, smart phones are not only small and light, but also they have many uses. For example, people can take pictures and shoot videos through phones. People can also use smart phones to shop online and pay for almost everything in China.In the future, the smart phones will be as thin as paper and as light as feather, and they will become smarter. In a word, the mobile phones play an important role in our lives. Thanks to them, our lives are becoming more and more convenient, but do remember to use it wisely. presentation 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 _____________. 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. 1. Complete the passage with the correct forms of the words in the box. invent, doubt, mention, website, all of a sudden invent all of a sudden doubted websites mention It is difficult to do sth. It’s adj. to do sth. invent / invention / inventor all of a sudden = suddenly use sth to do sth be used for sth/ doing sth be used to do sth. This is because+表原因的句子 This is why + 表结果的句子 presentation 1. Someone stole my watch. _______________________________________________ 2. They used five eggs to make this big cake. _______________________________________________ 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. _______________________________________________ My watch was stolen (by someone). When was the personal computer invented? Five eggs were used (by them) to make this big cake. 2. Rewrite these sentences using the passive voice. The video was taken back to the store (by someone). We were asked not to run in the hallway (by them). presentation 3. Find out information about an invention you would like to know more about and write sentences below. Invention: _________________________ When: _________________________ Who: _________________________ Purpose: _________________________ exercises 1.______________ new students decreased from 210 to160 this year. 2. ______________ that hard work can lead to success. 3. The students in our class _______________ three  groups yesterday in order to play the game. 4. Wang Lihong __________ plays the piano well,  __________ writes music. 5. Many young people these days have always  ____________ Ma Yun for his success in business. 6. I'm sure you can _________________ if you work hard. not only... but also divide into the number of it's believed look up to achieve your dream The number of It’s believed were divided into not only but also 一、用所给词语的适当形式填空。 looked up to achieve your dream exercises 二、单词拼写。 1. Yi Jianlian is one of the most famous  p___________ basketball players in China. 2. D_________ the cake into quarters and share it equally(公平地). 3. Our English teacher Jason Smith is from Canada, so he is a C__________. 4. I admire Zhong Nanshan very much because I think he is a national h___________. 5. After reading the letter, he threw it in the waste- paper b___________. 6. Guo Jingjing has won many gold medals at the Summer O_______________. 7. Tom liked music a lot. His mom e______________ him to read music magazines or books about musicians. opular ivide anadian ero asket lympic ncouraged Thank you ! $$