Unit 5 Languages Around the World Discovering Useful Structures 课件-2026-2027学年高中英语人教版必修第一册

人教版必修一Unit 5 · Languages Around the World Restrictive Relative Clauses(II) Discovering Useful Structures 定语从句：关系副词与"介词 + which" Objectives 01 identify the restrictive relative clauses and understand their functions. 02 complete the passage with the correct relative pronouns or adverbs. At the end of this class, you will be able to: Activity 1｜Experience Read the sentences. Underline the restrictive relative clauses. What kind of information does each clause communicate? 1 It was a time when people were divided geographically, leading to many varieties of dialects and characters. 2 Emperor Qinshihuang united the seven major states into one unified country where the Chinese writing system began to develop in one direction. 定语从句：修饰n./pron的从句。 Activity 1｜Experience 3 There are many reasons why people learn a foreign language. 4 These were animal bones and shells on which symbols were carved by ancient Chinese people. 5 Written Chinese has also become an important means by which China's present is connected with its past. 归纳｜关系副词 / 介词 + which 关系词 先行词 在从句中作什么 when time 时间状语 where country 地点状语 why many reasons 原因状语 on which bones and shells 介词 on 由 carve on 定 by which means 介词 by 由 by this means 定 Tip:先行词是"时间、地点、原因"，从句缺状语, 用关系副词。 精讲｜介词的选用 (1)　根据定从中动词/形容词的搭配。 He bought a beautiful house on which he spent all his money. → He spent all his money on a beautiful house. spent...on... The West Lake for which Hangzhou is famous is a beautiful place. → Hangzhou is famous for the West Lake. be famous for 精讲｜介词的选用 (2)　根据与先行词的搭配。 The colourless gas without which we can’t live is called oxygen. → China's present is connected with its past by this means. by this means (3)　根据句子所表达的意思。 Written Chinese has also become an important means by which China's present is connected with its past. → We can't live without the colourless gas. Activity 2｜Identify Bracket the clauses in the sentences and decide whether they are restrictive relative clauses or object clauses.(p.96) 1 The reason why he found German so difficult was because of its grammar. 2 A: Have you decided where we should go for our holiday yet? B: After learning for two years, I really want to visit a country where French is spoken. (RC) (OC) (RC) Activity 2｜Identify 3 According to an old story, there was once a time when the whole world spoke only one language. 4 This passage introduces how Chinese characters have changed over time. Tip: 位置定身份:前有名词可指，多是定语从句；动词后直接跟，多是宾语从句。 (RC) (OC) 识别定语从句（括出定从） 找先行词，划_____ 把先行词代入到从句中 判断代入部分：是缺主语宾语、定语，还是缺状语 依据先行词和从句所缺成分，正确选用 解题步骤 精讲｜5步锁定关系词 识 找 代 判 选 E.g. I would never live in a country ______ German was spoken. 精讲｜5步锁定关系词 括出定从 划出先行词 代入从句 in the country 在从句中充当状语 先行词country,在从句充当状语，用关系副词where where Activity 3｜Exercise Complete the passage with the correct relative adverbs or pronouns. Add a preposition where necessary.(p.64) When I started studying German, it was a struggle. The words felt strange on my tongue and the grammar would not stay in my head. I told my mum that I wanted to give up, and that I would never live in a country (1) ______ German was spoken. My mum told me that studying a language was not just for my future. It was exercise for the brain; the more I learnt of a language, the more my brain would grow. And I remember that day (2) ____________ I suddenly felt like German was no longer a foreign language. It felt like my brain had doubled in size. where/in which when/on which Activity 3｜Exercise I had finally come to a place (3) _____________ I could think in this foreign language, and I could see the world from a different point of view. I felt as if I had reached the goal (4) _____________ I had been fighting for. I could open a book and see meanings, not just a sea of words. I finally understood the reason (5) _____________ my mum had encouraged me not to give up. where/at which why/for which that/which 变式： I felt as if I had reached the goal _____________ I had been fighting. fight for 争取； 为...斗争 for which Activity 3｜Exercise Complete the passage with the correct relative pronouns or adverbs below.(p.97) that｜when｜where｜(in) which｜who｜why The United Nations (UN) is an organisation (1) __________ aims to promote international cooperation. It was founded in 1945 and has about 190 member states. This is the reason (2) _________ the UN has a huge number of translators and interpreters, since international meetings in the UN are attended by people (3) __________ speak so many different languages. which/that why who Activity 3｜Exercise Translators are people (4) __________ usually work with written language, while interpreters work with spoken language. Meetings (5) _____________ only two languages are used may need only one interpreter, while larger events (6) ____________ leaders from many countries gather may need over 70 interpreters. Tip: 先行词是抽象地点的名词，在从句中充当状语，应用关系副词。常见表抽象地点名词：meeting, event, situation, point, case, position, condition, occasion等。 who where/in which where/in which Activity 3｜Exercise There are two main ways that an interpreter can provide spoken translation. First is the method (7) ____________ requires the speaker to stop every few sentences, so the interpreter can translate those sentences for the audience. The second method is the one (8) ___________ the interpreter listens and translates at the same time. This second method is more difficult, but the place (9) _____________ the interpreter is located is not so important. The interpreter can be in a completely different location from the speaker, listen through headphones, and translate for an audience sitting in another location! which/that which/that where/in which 精讲｜易错点 ① The school_________we study is near a park. The school___________ we visited yesterday is near a park. ② I still remember the day ________ we took the first aid course. I’ll never forget the day________ I spent with my cousins in the mountains. ③ I don’t know the reason _________ he got up so early yesterday. The reason ____________ he gave at the meeting was unbelievable. Tip: 表时间、地点、原因的词在从句中充当主语或宾语，应用关系代词。 when that/which where that/which why that/which Activity 4｜Application Think about one of your favourite memories, and then write a short paragraph about it. Use the expressions below to help you. One of my favourite memories is of the time when..... The place where it happened was.... That was the day when... The reason why.... One of my favourite memories is of the time when I climbed the hill with my classmates. The place where it happened was a quiet hill near our school. That was the day when we cheered and shared snacks happily. The reason why I love it is that I felt warm friendship around me. One of my favourite memories is of the time when I took part in the school running race. The place where it happened was our school playground. That was the day when my classmates shouted loudly to cheer me on. The reason why I treasure it is that their encouragement gave me great courage. Possible version 1 Possible version 2 ｜Summary ｜Homework My favorite place at school is …, because it is a place where … I like teachers who … I admire … That's the reason why … Write some sentences with the following expressions. $