Unit6 SectionB(3a-Self Check） 课件 2023-2024学年人教版英语九年级全册

Unit 6 When was it invented? (3a-Self check) Learning objectives By the end of the class, you will be able to … 1. Learn how to write the expository writing and consolidate the usage of passive voice. 2. Know more about great inventions and arouse the interest in inventing. Review What does the passage talk about? Basketball was invented by a Canadian doctor in the 19th century. It comes from a game that could be played in the winter on a hard floor. The men were divided into two teams to play. They work together to get the ball in the other team’s basket. At the same time, they need to stop the competing team from getting the ball into their own basket. In 1936 in Berlin, basketball became an event at the Olympics. Now it’s over 100 years old and is played by more than 100 million people in over 200 countries. It is enjoyed by many people for fun and exercise as a much-loved and active sport. The popularity of basketball has risen around the world, with many young people dreaming of becoming famous players. What invention Who When and where Why How the influence and development How is it played? What about the influence and its development ss Presentation How do we introduce an invention? invention What invention is it? Who was it invented by? When and where was it invented? Why was it invented? What is it used for? Summary 本单元的话题是“Invention (发明)”。“发明”包括发明家、发明物、发明的历史、科技创新等几个方面。 写作内容通常要求根据图表或文字提示介绍发明物的相关情况，或者针对生活中的实际情况，提出自己的建议。 Presentation Free talk Do you think they are useful invention? What problem do you meet in the life? Can you invent something to solve? Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 3b This special pen was invented by Liu Jie. It has three colors and is used for … • Problem: __________________________ New invention: __________________ What it is used for: ______________ quickly taking notes in class a spe