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in groups and think of an invention that could help you. . New invention: a special pen What it is used for : taking notes quickly in class discuss the problems and try to make their own notes. some Ss read out their notes to the class. Step 5 Writing Ss to write a description of your new invention. following sentence structure may help you. 常用句型: ① I think…is a very useful invention. 我認(rèn)為 …… 是一項(xiàng)很有用的發(fā)明。get into other team’s Popularity: played inside on a hard most famous games: first game on Unit 6 When was it invented ? Section B (2a3b) 第四課時(shí) Step 1 Discussi