Unit 63a-Self Check3a Think of something that you don’t like to do. Then think of an invention that could help you. Make notes. Problem:a special penNew invention:What it is used for:It can listen to the writer and write by itself.Price:$ 50quickly taking notes in class3b 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 taking notes quickly. It is very useful if you have a lot to write down. The pen comes with a microchip that can store a list of common words that you will use. You can program the words you willSample writinguse often into the microchip’s memory, then assign a short form to each word. When you are writing, you just need to write the short forms with the pen, press a button on the pen and the short forms will change into the actual words. The microchip can contain up to 50 words and you can make changes to the list of words whenever you need to.一般过去时被动语态 一般过去时的被动语态表示过去某一时刻发生的被动性动作, 其基本结构为： 主语+ was / were + 过去分词+ by .. |
