人教 目标九年级Unit6 SectionB(3aSelfCheck)课件(共19张PPT).pptxVIP

When was it invented?Section B 3a-Self CheckUnit 6 Color changing cupAs 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 penquickly taking notes in classtaking notes in class3a Now it’s your turn! 3bImagine 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 suddeninventall of a sudden1 So some people ______ whether