1、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,Its safe for young children to eat them.,Smart and creative inventions,Problem: _New invention: _What i
2、t 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 its your turn!,3b,Imagine you are a business person. Write a description of your new invention. Try to
3、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） th
4、at can store a list of common words that you will use. You can program the words you will use often into the microchips 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 fo
5、rms 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
6、decide on the inventor of certain inventions. This is because sometimes a few people may _ things which are nearly the same. Its 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.,inv
7、ent 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 elses idea to create his or her invention. That is why books or _ usually _ more than one inventor when giving
8、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.,
9、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
10、and write sentences below.,Invention: _ When: _ Who: _ Purpose: _,2018/10/30,13,3,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 mot
11、her 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; isC. am; are D. be; are,C,A,3. If it _ tomorrow, we _ go to the park. A. rains; wont B. will rain; wont
12、C. rains; dont 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 dont 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,
