2017年新目标九年级Unit6 Section B(3a-Self Check)课件.pptx

When was it invented? Section B 3a-Self Check Unit 6 Color changing cup As you pour in your hot drink, the color changes. You can never chop your fingers off anymore. Smart and creative inventions It’s safe for young children to eat them. Smart and creative inventions Problem: ________________________ New invention: ____________________ What it is used for: _________________ Think of something that you do not like to do. Then think of an invention that could help you. Make notes. a special pen quickly taking notes in class taking notes in class 3a Now it’s your turn! 3b 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… This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly. It is very useful if you have a lot to write down. The pen comes with a microchip （ 微 芯片 ） that can store a list of common words that you will use. You can program the words you will use often into the microchip’s memory, and then assign a short form to each word. When you are writing, you just need to write the short forms with the pen and press a button on the pen and then all the short forms will change into the actual words. The microchip can contain nearly 50 words and you can make changes to the list of words whenever you need to. Sample writing 将有 6 位同学扮演“推销商”上台向同学们“推销”自己的发明，台下的每位同学都有 一 张 选择 票 ， 得票最多的“推销商”获胜。 （注：在“推销”发明时需全程使用英语） Play a game 谁的发明最畅销？！ Self Check 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 ____________. 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 1 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. doubt websites mention 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. Five eggs were used to make this big cake. When was the personal computer invented? We were asked not to run in the hallway. The video was taken back to the store by someone. Rewrite these sentences using the passive voice. 2 Find out information about an invention you would like to know more about and write sentences below. Invention: _____________________________ When: ________________________________ Who: _________________________________ Purpose: ______________________________ 2017-8-15 13 3 Exercises 1. 错误地           2. 偶然 　 　　　　 3. 根据 …… ；按照 ……       4. 用这种方法            　　   5. 用来做 ……                    　　     6. 足够咸       7. 一个古老的中国传说     8. 把 …… 分成           by mistake by accident according to…       in this way be used for… salty enough        an ancient Chinese legend         　　     divide...into   一、写出下列短语的英文表达。 二、单项选择 1 . My mother told me that my homework must ____ on time. A. finish  B. be finish C. be finished 　   D. finished  2 . The number of teachers in our school ____ 60 and a number of them ____ male teachers. A. is; are B. are; is C. am; are D. be; are C A 3. If it ____ tomorrow, we ____ go to the park. A. rains; won’t  B . will rain; won’t C. rains; don’t  D. will rain; will do 4. All the books will ____ to the children who live in the small village. A. be sent B. sent 　 C . be send 　 D. send 5. —Do you know the lady____ is interviewing our headmaster? —Yes, she is a journalist from CCTV. A. which  B . who 　 C . whom 　  D. whose A A B 三、根据中文提示完成句子。 1. There were many famous_________ ( 发明 ) in ancient China, and paper was one of them. 2. I don’t like this kind of potato chips because they are not _______ ( 脆的 ). 3. Silk is _________ ( 生产 ) in Hangzhou. 4. The conductor kept ________ ( 提供 ) us hot water on the train. inventions crispy produced offer Homework 老师可以在这里布置作业奥 ~