Unit 6 When was it invented Section B （3a-Self Check）（讲解课件PPT）-【优翼·学练优】2023-2024学年九年级上册初三英语同步备课（人教新目标版）

优翼英语教学课件（RJ） Go for it! 九年级（上） Section B (3a-Self Check) Unit 6 When was it invented? Learning Goals Key words & phrases: professional, description, all of a sudden Key sentences: 1. It is often difficult to decide on the inventor of certain inventions. 2. Some inventions can also lead to other inventions all of a sudden. Students can write descriptions for their inventions. Words & Expressions professional description all of a sudden adj. 职业的；专业的 n. 描述，描写，描绘 突然地；出乎意料地 Warming up A boy was growing up in a family with three generations. He has always been very close to his grandfather. However, his grandfather is a Alzheimer patient （阿兹海默症患者）. One day, his grandfather was walking in a park with him, but suddenly, his grandfather got lost. He said that was one of the scariest moment in his life and he wanted to find out some way to keep his grandfather’s safe. If you were the boy, what would you do? What did the boy do to keep his grandfather’s safe? What’s the name of this invention? What probelm can this invention solve? How does this invention work? pressure sensor sock The sock will tell the caregiver whether the Alzheimer patient is leaving by himself / herself. A pressure sensor was placed on the heel of the sock. When the patient steps on the floor, the alert will be sent to the caregiver’s smart phone. Do you think the pressure sensor sock is useful? If you were a businessman, would you like to sell this invention to others? How would you introduce it to your customer? Name of the invention Invented by whom What is it used for How does it work Group work 3a Think of something that you do not like to do. Then think of an invention that could help you. Make notes. Pre-writing Problem: __________________________ New invention: _____________________ What it is used for: __________________ quickly taking notes in class a special pen 3b While-writing Imagine you are a business person. Write a description of your new invention. Try to sel