Unit1 Cultural Heritage Discovering Useful Structures 课件-2026-2027学年高中英语人教版必修第二册

该高中英语课件聚焦定语从句及“介词+关系代词”结构，通过“Compare and Discover”环节对比例句引导学生发现语法规律，先系统复习定语从句定义、分类及关系词，再进阶讲解“介词+关系代词”用法，构建从基础到复杂的学习支架。 其亮点在于融合语言能力与文化意识培养，以文化遗产相关例句（如UNESCO保护项目、龙门石窟等）引导学生分析语法结构，提升思维品质。采用情境化练习（如改写文化遗产句子）和配对游戏，帮助学生巩固知识，教师可借助系统支架和多样化活动提高教学效率。

Discovering useful structures Unit 1 Cultural Heritage 1 1. After listening to the scientists who had studied the problem, and citizens who lived near the dam, the government turned to the United Nations for help. 2. Temples and other sites were taken down piece by piece, and then moved and put back together again in a place where they were safe from water. Compare and Discover (P4) What do these two sentences have in common? 3. Not only had the countries found a path to the future that did not run over the relics of the past, but they had also learnt that it was possible for countries to work together to build a better tomorrow. 4. Perhaps the best example is shown by UNESCO, which runs a programme that prevents world cultural heritage sites around the world from disappearing. Compare and Discover (P4) Review 定语 从句 定语：相当于 ，修饰名词或代词 形容词 构成：名词或代词 + + 从句 关系词 分类：限制性： ； 非限制性： ； 说明正在谈论的人、物或事 给出额外的补充信息 关系代词：关系代词： ：指人，作主语或宾语； ：指人，作宾语； ：指事、物，作主语或宾语； ：指人或事、物，作主语或宾语； ：与所修饰的名词为所属关系，作定语； ：作地点状语； ：作时间状语； ：作原因状语； who whom which that whose where when why 关系副词： who whom whose that which when where why 1. That is the site they discovered caves full of Buddha statues. 2. Does anybody know the reason he refused to sign the document? why where Practice (P62 - 1) 3. Sue is the person to I sent the text message yesterday. 4. My brother works in a café top-quality Italian food is served. where whom 5. This is the archaeologist discovered the Inca ruins. 6. On the way home, he helped a young man car had broken down. whose who Practice (P62 - 1) 7. Tasmania is the most unforgettable place I have ever been to. 8. In European countries, the weekend is usually a time nobody goes to work. when that Practice (P62 - 1) Preposition + Relative Pronoun 8 1. What is the youngest age a person can be employed? 2. I will never forget the day he passed away. 3. He is the man she went to Europe. 4. I made a list of the members I had received replies. Preposition + Relative Pronoun at which on which from whom with whom 当关系代词作介词宾语时，就出现了“介词 + 关系代词”引导的定语从句。作介词宾语的关系代词通常用which或whom, 不能用that。 “介词 + which”引导的定语从句修饰指物的先行词， “介词 + whom”引导的定语从句修饰指人的先行词。 介词 + 关系代词 This is the book for which I paid 10 yuan. The girl with whom you work is his girlfriend. This is the business for which I was responsible. 介词的选择 Ⅰ 1. 与从句中的谓语动词或形容词搭配 Preposition + Relative Pronoun 1. I don’t like the way in which / that he speaks. 2. The bike on which he often rides needs repairing. 3. I don’t like the way in which he speaks. 2. 与先行词搭配 介词的选择 II Preposition + Relative Pronoun I don’t like the way in which / that / 不填 he speaks. 2. 与先行词搭配 注意：way (方式)为先行词，且关系词在从句中作状语时，定语从句的引导词用in which或that或省略。 Preposition + Relative Pronoun 介词的选择 II 1. The clever boy made a hole in the wall, through which we could see what was happening inside the house. 2. Villagers here depend on the fishing industry, without which there won’t be much work. 3. 看句意 看前看后看意思 Preposition + Relative Pronoun 介词的选择 II  Is this the school you studied ten years ago?  I’ll never forget the day I first met her.  The reason she was absent was that she missed the train. ① “介词 + which”有时可与相应的关系副词互换 in which / where on which / when for which / why Preposition + Relative Pronoun This is the month during which we’d like to travel around. She gave a lecture in the hall in which we interviewed a famous Beijing opera actor last week. Lillian works in a government office in which there are many different departments. Finding a job as a history teacher in another school was the reason for which I moved Summer is the season in which it is best to practice outside with your team. The Longmen Grottoes were the place in which I met the famous artist who showed me many of his paintings and digital photos. I relied on my car until it broke down at the place at which the three roads met. It is a time at which the sun begins to set and the moon begins to rise. when when when where where where where why Practice (P63 - 3) This is the book I’m most interested in. ② 介词可后置，这时关系代词可省略。 This is the watch which / that I am looking for. The babies whom the nurses are looking after are very healthy. ③ 含有介词的动词短语一般不拆开使用，如：look for, look after, take care of 等 (which) Preposition + Relative Pronoun 1. He was educated at a local grammar school, he went on to Cambridge. 2. Gun control is a subject Americans have argued for a long time. 3. Wind power is an ancient source of energy we may return in the near future. 4. The English play my students acted at the New Year’s party was a great success. Practice after which about which to which in which/where Preposition + Relative Pronoun 5. Many people who had seen the film were afraid to go to the forest when they remembered the scenes ___________ people were eaten by the tiger. 6. She showed the visitors around the museum, the construction ____________ had taken more than three years. 7. The place ____________ the bridge is supposed to be built should be ________ the cross-river traffic is the heaviest. Practice in which/where of which at which/where where Preposition + Relative Pronoun EXAMPLE I have downloaded that free app, but it doesn’t work well. →The free app (which / that) I have downloaded doesn’t work well. Tips: 1. 明确主句和从句。 2. 找出先行词，确定它在主句中的功能。 3. 根据先行词和关系代词或副词在从句中的功能，确定使用哪个关系代词或副词。 Application Rewriting: Describe people or things in greater detail. Practice (P6 - 2) 1. He showed me a photo in his room. It was a photo of a famous cultural relic in Egypt. The photo _________________________________________________ __________________________________________________________ 2. The project team helped protect the national parks in the United Republic of Tanzania. It was formed by members from fifteen countries. The project team ___________________________________________ ___________________________________________________________ . (which / that) he showed me in his room was of a famous cultural relic in Egypt. whose members were from fifteen countries helped protect the national parks in the United Republic of Tanzania. 3. This temple was first built during the Qin Dynasty. The time ___________________________________________________ __________________. 4. We met a professional archaeologist at the entrance to the Great Pyramid. He explained to us the process of building such a difficult structure. The professional archaeologist __________________________________ _______________________________________________________________ ______________________________________________________________ when/at which this temple was first built was during the (who / whom) we met at the entrance to the Great Pyramid explained to us the process of building such a difficult structure. Qin Dynasty Practice (P6 - 2) 5. The documents about the cultural relics from overseas are under the desk. I found them yesterday. The place ___________________________________________ ______________________________________________________ 6. Scientists worked together day and night to rescue the temple because they wanted to preserve it for the next generation. The reason ___________________________________________ ________________________________________________________ _______________________________________ where/in which I found the documents about the cultural relics from overseas yesterday is under the desk. why/for which scientists worked together day and night to rescue the temple is that they wanted to preserve it for the next generation. Practice (P6 - 2) Work in pairs and play a game of definitions. One asks the questions below and the other answers them with relative clauses. Work out two more questions of your own. Practice: Pair Work EXAMPLE A: What is an exit? B: An exit is the door where / through which you can leave a building. EXAMPLE A: What is an exit? B: An exit is the door where / through which you can leave a building. What’s a library? (from / in which; where) What’s a good friend? (to whom; who) What’s a vacation? (during which; when) What’s a football coach? (from whom; who) $