(
课件网) U 3 Make it happen Understanding ideas-- What invention have we learnt last lesson How was it invented How was the idea come up with Easton LaChapppelle invented a cheap and light artificial arm after he met Jenny, a girl born without an arm. She needed new arms very fast but they were simple and cost too much and they were too heavy for a child. He wanted to help children like her. Were all the inventions invented on purpose刻意的 Lead in What you learn from this video Look at the picture and answer the questions. What is this invention What is it used for被用来做 Penicillin / pen s l n/ 青霉素 Penicillin is used to treat susceptible bacterial infections. 青霉素用于治疗敏感细菌引起的感染 Pre-listening Dr Alexander Fleming 亚历山大·弗莱明博士 偶然地 Pre-listening Not every invention is created on purpose. Sometimes it's completely by accident! For example, in 1928, Dr Alexander fleming forgot to clean his lab before going on a holiday. Later, he discovered penicillin from an uncleaned Petri dish, it's now one of the most used medicines in the world! 刻意地 偶然地 / pen s l n/青霉素 / petri d /培养皿 未清洗 的 用过的，二手的 03 How did Alexander invent Penicillin In _____, Dr Alexander Fleming forgot to clean his lab before_____ . Later, he discovered _____ from an uncleaned Petri dish（培养皿）, lt's now one of_____ medicines in the world! Pre-listening 1928 He invented penicillin by accident. 意外地 an unexpected invention the most used最常用, going on a holiday, 1928, penicillin going on a holiday penicillin the most used Some unexpected inventions in our exibitions post-it note 便利贴 ice lolly冰棍 areoplane/ e r ple n/ 飞机 glue胶水 bubble wrap 泡泡膜 Let’s follow Mike to know about the story of inventions and inventors! Lisening to news programme is helpful to know about the inventions. 04 Listen to the news programme. What is its main purpose a To encourage young people to become inventors. b To introduce some different invention exhibitions. c To invite people to come and see an invention exhibition. d To explain the history of some inventors and inventions. Tip: Find out the key word of each choice before listening. While-listening Mike An Unexpected Inventions exhibition will be open! Visiting the exhibition is a good way to know about the inventors and inventions. What’s the invention exhibition about the theme主题 the place the time the tickets the special event Announcer(广播员）: The Unexpected Inventions exhibition（意外发明展） will open next week! There, you can learn about great inventions and their inventors. The exhibition will take place at the City Museum. It starts on 1 May and ends on 30 May, from 9 am to 5 pm. Tickets cost 30 for adults and 15 for students. Children under 12 are free. One exciting event is a talk by inventor Mary Brown. You can learn all about the qualities of a successful inventor. It starts at 10:30 am on the first day. Young inventors, ... ...
