Unit 3 The World of Science Using language 课件-2025-2026学年高中英语外研版必修第三册

该高中英语课件聚焦现在完成时及被动语态，通过讨论导入复习主动语态的语法含义、时间标志词及特殊结构，再以主动被动句对比过渡到被动语态，构建由已知到未知的学习支架。 其亮点在于结合科学主题语料，通过主动被动对比分析、高考真题链接及实验室情境描述活动，培养学生语言能力（语法运用）、思维品质（逻辑分析）和学习能力（情境应用）。教师可借助实例教学提升效率，学生能在真实语境中巩固语法，提升综合语言运用能力。

Unit 3: The world of science Using language 结果意义：过去动作的结果现在仍然存在。 I have lost my key. I lost my key. Tom broke his leg. Tom has broken his leg. 一般过去时：过去的事，翻篇了 现在完成时：过去的事，现在还在影响我（现状） Review: Present Perfect (现在完成时） Discussion 1.现在完成时表示的语法含义 2.现在完成时的常见时间标志词 持续意义：从过去开始的动作一直持续到现在，可能还会继续。 He has lived here for 10 years.（现在还住这儿） 1.already /yet/ever/never/recently/lately 2.一段时间：for + 时间段 since + 过去时间点/从句（since I was a child, since he arrived） over/during the last / past few days 3.到目前为止：so far up to now till now / until now to date：至今 Review: Present Perfect (现在完成时） 1.与最高级连用：It / This / That + is + the + 最高级 + 名词 + that + 主语 + have/has + ever + 过去分词 This is the best meal that I have ever eaten. The most interesting book I have ever read is Harry Potter. 2.与次数连用：It / This / That is + the + 序数词 + time + that sb. have/has done This is the first time that I have visited Beijing. 1. This is the most useful AI tool that I __________ (use) . 2.Many young people __________ (follow) this TikTok influencer since the beginning of 2025. 3.Last month, a famous live-streamer __________ (lose) millions of followers after a fake charity scandal. 4.This is the first time that the Chinese space station __________ (welcome) foreign astronauts. 5.Last week, China successfully __________ (launch) a new crewed mission（载人任务） to the Tiangong space station. 6.My cousin has fallen in love with traditional Chinese medicine since he __________ (watch) a documentary about acupuncture（针灸） on Bilibili. Review: Present Perfect (现在完成时） have used have followed launched has welcomed lost watched Look at the sentences from the reading passage and answer the questions. Activity 1: Look and answer 0,000 people reading my blog! b I love to photograph the rising sun, … a. I guess you have been asked about the title of your book before. b. New inventions like 3D printers have been used to make replacement hearts and bone parts. Q1. What is the difference between the two groups of sentences? c. I guess someone has asked you about the title of your book before. d. People have used new inventions like 3D printers to make replacement hearts and bone parts. Group 1 passive form Group 2 active form 动作的发出者 动作的承受者 Present Perfect Passive：现在完成时的被动语态，强调动作的承受者或发出者不明，没必要说。（My phone has been stolen.) 基本形式为：have/has been done 练习册p87 （一） 同义句转换 1. To make learning more interesting, we have planned a series of hands-on scientific activities. →To make learning more interesting, ________________________________ 2. This is the first time that we have done a chemical experiment to test water quality in our school pond. →This is the first time that ________________________________________ to test water quality in our school pond. a series of hands-on scientific activities have been planned a chemical experiment has been done 6 Rewrite the underlined parts using the present perfect passive. Grammar: Present perfect passive Within the next 80 years, our lives may be changed beyond recognition by 3D printing. It has already affected many things in our lives, right down to the food we eat. For instance, some restaurants in London have served 3D-printed hamburgers to customers. But perhaps the most significant success that people have achieved to date is in medicine. They have made human body parts, including a beating heart, with 3D printing technology. And it is not just humans who are benefiting — in Brazil, people have given a new 3D-printed shell to a turtle injured in a forest fire! 7 Grammar: Present perfect passive Within the next 80 years, our lives may be changed beyond recognition by 3D printing. It has already affected many things in our lives, right down to the food we eat. For instance, some restaurants in London have served 3D-printed hamburgers to customers. But perhaps the most significant success that people have achieved to date is in medicine. They have made human body parts, including a beating heart, with 3D printing technology. And it is not just humans who are benefiting — in Brazil, people have given a new 3D-printed shell to a turtle injured in a forest fire! Many things in our lives have already been affected, … 8 3D-printed hamburgers have been served to customers in some restaurants in London. But perhaps the most significant success that has been achieved to date is in medicine. Grammar: Present perfect passive Within the next 80 years, our lives may be changed beyond recognition by 3D printing. It has already affected many things in our lives, right down to the food we eat. For instance, some restaurants in London have served 3D-printed hamburgers to customers. But perhaps the most significant success that people have achieved to date is in medicine. They have made human body parts, including a beating heart, with 3D printing technology. And it is not just humans who are benefiting — in Brazil, people have given a new 3D-printed shell to a turtle injured in a forest fire! 9 Human body parts, including a beating heart, have been made with 3D printing technology. Grammar: Present perfect passive Within the next 80 years, our lives may be changed beyond recognition by 3D printing. It has already affected many things in our lives, right down to the food we eat. For instance, some restaurants in London have served 3D-printed hamburgers to customers. But perhaps the most significant success that people have achieved to date is in medicine. They have made human body parts, including a beating heart, with 3D printing technology. And it is not just humans who are benefiting — in Brazil, people have given a new 3D-printed shell to a turtle injured in a forest fire! A new 3D-printed shell has been given to a turtle injured in a forest fire! 本质就是把动作的承受者提到句子最前面做主语，动词结构变成 have/has + been + done 10 Attention:有些动词没有被动语态 1.常见的不及物动词及短语（本身无宾语） happen / occur / take place / break out come out / come true / come about（发生） die (out) / disappear / appear / arrive / last / remain / exist 2.表示拥有 have / own / belong to 11 1. In the past few years, great changes _________ (take) place in our city, but some old buildings are still kept. 2. Up to now, a number of protected areas with mangroves _________ (establish) by China. 3. Several breakthroughs _________ (make) by the research team since they started the project last spring. 4. The research team _________ (make) several breakthroughs during the project last year. 5. Over the past decade, the number of endangered species that _________ (protect) by international laws _______________(increase) sharply. 6. This is the third time that the international conference _________ (hold) in our country. have taken have been established have been made made have been protected has increased has been held 12 7. This is the most interesting book that _________ (read) by my classmates. 8. Have these books been donated to the village school since the charity activity _________ (start)? 9. The new bridge _________ (complete) till now, and it will open to traffic next week. 10. The homework ________ (check) by the teacher already, so you can get your exercise books back. 【高考链接】 11. （2023·全国卷）Carson proves that a simple lyric form that _________________ (pass) down through the ages can still be employed today to draw attention to important truths. has been read started has been completed has been checked has been passed 13 12. （2022·新高考 I 卷·改编）Since the COVID-19 outbreak, a series of measures _____________ (take) by government to control the spread of the virus. 13.（2022·浙江卷）On a website called No Fly Climate Sci, for example, roughly 200 academics—many of the climate scientists _____________ (promise) to fly as little as possible since the effort started two years ago. 14.（2021· 全国甲卷）The Xi’an City Wall is the most complete city wall that _____________ (survive) China’s long history. 15. （2023·浙江卷· 改编）In the Ming Dynasty, citizens of higher social classes _____________ (permit) to live closer to the center of the circles. have been taken have promised has survived were permitted 14 16. （2021· 全国甲卷· 改编）It was built originally to protect the city in the Tang dynasty and _____________________ (restore) completely now. 17.（2020· 浙江卷）All the preparations for the trip _____________ (make) and we’re ready to leave. has been restored have been made 15 Imagine you are Dr Moore. Look at the pictures and tell the police about the damage and loss to your lab. Use the present perfect passive where appropriate. 16 2. The lock on the door has been broken. 1. The window has been broken. 5. My two laptops have been stolen. 6. Beakers and test tubes have been destroyed. 4. The book case has been opened, and some files have been taken away while others have been thrown everywhere. 3. The robot has been knocked down. $