Unit1 Cultural Heritage Discovering Useful Structures 课件-2025-2026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核心知识，涵盖限制性与非限制性定语从句的区分、关系代词/副词运用及as引导的定语从句。课堂通过“Can you find”图片任务导入，先复习关系代词/副词，再结合文化遗产文本例句分析，搭建从已知到未知的学习支架。 其亮点在于融合文化遗产主题，通过对比表格清晰呈现两种从句差异，设计“定义游戏”“故事接力”等任务活动。以“祖传遗物”“古村落”等关键词开展故事接力，既提升语言运用能力（语言能力），又增强文化理解（文化意识），帮助学生在实践中深化语法认知，也为教师提供结构化教学资源。

Unit 1 Cultural Heritage 敦煌 Discovering Useful Structures 敦煌 Distinguish between restrictive and non - restrictive attributive clauses, and understand when to use commas appropriately in non - restrictive clauses. Analyze and compare different types of attributive clauses to improve critical thinking skills, being able to judge the semantic and syntactic differences between them. Apply relative pronouns accurately in different contexts, avoiding common errors such as incorrect pronoun selection or omission in restrictive clauses. Enhance the understanding and respect for different cultures, as cultural heritage is an important carrier of culture. Review 定语从句的引导词 定 语 从 句 的 引 导 词 关系 代词 关系 副词 指人 指物 who(主语、宾语)，whom(宾语)， that(主语、宾语), whose(定语) that(主语、宾语), which(主语、宾语) whose(定语) where (地点状语) when (时间状语) why (原因状语) 指地点 指时间 指原因 Can you find: 1. the woman who is applying sunscreen? Can you find: 2. the boy who is building a snow man? Can you find: 3. the man who is wearing three watches? Can you find: 4. the animal that is playing the guitar? Can you find: 5. the man who is taking a nap? Look at the sentences below and underline the relative pronouns and adverbs. After listening to the scientists who had studies the problem, and citizens who lived near the dam, the government turned to the United Nations for help. Temples and other cultural sites were taken down piece by piece, and then moved and put back together again in a place where they were safe from the water. Think about these questions Restrictive relative clauses in the text 1）There comes a time when the old must give way to the new.   2）Water from the dam would likely damage a number of temples and destroy cultural relics that were an important part of Egypt’s cultural heritage.   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. 限制性定语从句与非限制性定语从句的区别 There comes a time the old must give way to the new, and it is not possible to preserve everything from our past as we move towards the future. Temples and other cultural sites were then moved and put back together again in a place they were safe from the water. Here’s a handful of ways will set you in the right direction. 限制性定语从句是先行词在意义上不可缺少的定语，如果去掉，主句的意思就会 。这种从句与主句的关系十分密切，书写时 逗号分开。 when where that 不完整或失去意义 不可用 限制性定语从句 限制性定语从句与非限制性定语从句的区别 The house, roof was damaged in the storm, needs repair. The book, I bought yesterday, is very interesting. On the 1,100-kilometre journey, the man Cao Shengkang, lost his eyesight at the age of eight in a car accident, crossed 40 cities and counties in three provinces. whose which who 非限制性定语从句只是对先行词做 ，如果去掉，主句的意思仍然清楚、完整。这种从句与主句的关系不是很密切，书写时往往用 与主句分开。非限制性定语从句一般不用 引导。 that 逗号 附加补充或说明 非限制性定语从句 限制性定语从句 非限制性定语从句 与先行词的关系 标点符号 引导词 先行词范围 是先行词不可缺少的部分，去掉后句意不完整。 是先行词的补充说明，去掉后句意不受影响。 不用逗号隔开。 必须用逗号与主句隔开。 可用 that（指人 / 物），关系代词作宾语时可省略。 不可用 that，关系代词即使作宾语也不可省略。 从句修饰先行词。 从句修饰先行词，前面的整个句子或其中的一部分。 限制性定语从句与非限制性定语从句的区别 The museum we visited yesterday displays ancient Chinese paintings. Beijing, is the capital of China, will host the 2025 World Athletics Championships. Students participate in volunteer activities often gain more social experience. The author, I met at a book fair, has written over 20 novels. My grandfather, is 80 years old, still plays chess every day. The novel she recommended to me last week has become a bestseller. 限制性定从 非限制性定从 限制性定从 限制性定从 非限制性定从 非限制性定从 that which who/that whom who that/which 关系代词as在非限制性定语从句中指代整个句子的内容，充当从句中的主语、宾语或表语，翻译为“正如” 1. As is so often pointed out, knowledge is a two-edge weapon which can be used equally for good or evil. 2. He, as we all know, is a famous scientist. 3. She is very careful, as her work shows. As引导限制性定语从句时，经常和the same, such, as一起搭配使用，共同构成一个固定词组。 She has the same book as you have. This is such an interesting book as we all like. As引导的限制性定语从句 as 常见搭配 as is known to all； as you know as is expected as we expected as has been mentioned above as is reported / said as a famous saying goes as is pointed out as you can see = as can be seen as is often the case 众所周知 正如你所知道的那样 正如所预料的那样 正如我们所期待的 正如上面所提到的 正如报道/所说的那样 正如一句谚语所说 正如指出的 正如你所看见的 情况通常如此 as和which引导非限制性定语从句的区别 As everyone knows, China is a country with a long history. She is a great hero, as is described in the report. He invited me to dinner, which made me very happy. This novel, which I have read three times, is very touching. as和which引导非限制性定语从句时的位置不同: (1) as引导的定语从句可置于____________________，而which引导的非限制性定语从句只能放在_______。 (2) as引导的定语从句有“_________的意思，而which指“________” 句首、句中、句后 句中 正如…… 这…… as which 指代 只能指代整个主句的内容 既可指代整个主句的内容， 又可指代主句的某一名词或代词 位置 位置灵活， 可位于句前、句中也可置于句后 只能放在先行词的后面 意义 “正如，就像… ” “这，那” 功能 起连接上下文的作用， 表达说话人的观点、看法并 指出主句内容的根据或出处等 引导的从句，在意义上相当于并列句 as和which引导非限制性定语从句的区别 (1)the same...as...表示相似的东西。 This is the same book as he lent me last week. 这和他上星期借给我的那本书属于同一类。 (2)the same...that...表示同一人或物。 This is the same book that he lent me last week. 这是他上星期借给我的那本书。 the same...that...与 the same...as...的区别 1. She is always working hard,______everyone can see. 正如大家所看到的，她工作一直很努力。 2. The book, _______I bought yesterday, is very instructive. 这本书很有教育意义，是我昨天买的。 3. ______everyone can see, she is honest. 她的诚实是大家有目共睹的。 4. She married again,______ we expected. 正如我们预料的那样，她再婚了。 5. She married again, ______ was unexpected. 她再婚了，这是始料不及的。 6. Tom suddenly fell ill, ______ made us very sad. 汤姆突然病倒了，这让我们很伤心。 which as As as which which 6．It is the third time that she has won the race, ___________ has surprised us all. 7．After the flooding, people were suffering in that area，___________ urgently needed clean water，medicine and shelter to survive. 8.Between the two parts of the concert is an interval, ________ the audience can buy ice ­cream. 9．A lot of language learning, ____ has been discovered, is happening in the first year of life, so parents should talk much to their children during that period. 10．Your speech given at the meeting, ___________ everyone is taking into careful consideration, means much to us all. who when which Rewrite the sentences using relative clauses. 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 building such a difficult structure. explained to us the process of to the Great Pyramid when this temple was first built was during the Qin Dynasty. (who / whom) we met at the entrance 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 I found the documents about the cultural relics from overseas yesterday why scientists worked together day and night to rescue the temple is under the desk. is that they wanted to preserve it for the next generation. Task 1: 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. EXAMPLE A: What is an exit? B: An exit is the door where/ through which you can leave a building. (library; from/ in which; where) (good friend; to whom; who) (vacation; during which; when) (football coach; from whom; who) 1. What’s a library? (from/in which; where) A library is a place from/in which you can borrow books. A library is a place where you can borrow books. 2. What’s a good friend? (to whom; who) A good friend is someone to whom you can tell your problems. A good friend is someone who you can tell your problems to. 3. What’s a vacation? (during which; when) A vacation is a time during which you don't work. A vacation is a time when you don't work. 4. What’s a football coach? (from whom; who) A football coach is someone from whom football players receive training. A football coach is someone who trains football players. Task 2: Carry out an “Attributive Clause Story Relay” in groups, where each student continues the story with a sentence containing an attributive clause, requiring logical coherence. EXAMPLE 关键词：ancestral relic (祖传遗物)、ancient village(古村落)、handwritten recipe(手写食谱) 开头句：Last summer, my grandmother gave me a wooden box that had been passed down in our family for six generations. 延续句：The box, which was engraved with strange patterns, contained a map …… $