Unit 3 The World of Science Using Language课件-2022-2023学年高中英语外研版（2019）必修第三册 .pptx

B3U3 The world of sciencePeriod 2 Using language (Para. 3) 2. I guess you _____ _____ _____(ask) about the title of your book before. 课文例句(Para. 1 ) 1. This evening, I’ll be talking to Dr Richard Fairhurst, whose new book The New Age of Invention ___________just _____ _________(publish). hashave been askedbeen published(Para. 6) 3. In addition, important advances _____ _____ _____ (make) in medicine and environmental science thanks to increasing computer power. have been made (Para. 8) 4. New inventions like 3D printers _____ _____ ____ (use) to make replacement hearts and bone parts. (Para. 10) 5. I _____also _____ ____(tell) that you’re an inventor yourself. have been usedhavebeen told(Para. 14)6. Nothing like this ___ _____ ________ (invent) yet and I’d say we’re a long way from an invention like that at the moment! has been invented 使用现在完成时要注意什么？ during/over/ in the last/past+时间段, ...等时间状语时间状语since+时间点, already ,recently, lately,so far, up to now, for＋时间段,ever since Practice1. During the last three decades, the number of people participating in physical fitness programs ____________________(increase) sharply. 2. Simon_____________(attend) his father for such a long time that he understands almost every gesture of his father’s.3. I complained to the manager of the hotel about the poor service last week, but up to now, I ________________ (receive) his reply.4. In recent months, the China Grand Canal Museum in Yangzhou, which exhibits the history and culture of the Grand Canal, ________________(attract) a great number of visitors. have increasedhas attendedhaven’t receivedhas attractedQ:怎么知道上面用现在完成时的？A: 根据时间状语 1. After several years of observation, the research group_______________(arrive) at the conclusion that language acquisition is faster when students are exposed to the situation where it is spoken. 2. Great changes _____________(take) place in my hometown and you can see that a lot of factories ______________(set) up.has a