Unit 1 Wish you were here Grammar and Usage 课件-2022-2023学年牛津译林版（2020）高中英语选择性必修第三册

Lead-in These images show tourist hotspots before and after coronavirus outbreak. What are the advantages of tourism? What are the disadvantages of tourism? Global Reading | P6 Read the article and use key words to summarize the main idea of each paragraph. Para 1: Advantages Para 2: Disadvantages Para 3: Disadvantages Para 4: Solutions 社区的命脉 反过来 旅游必需品 Useful expressions 繁荣的产业 不尽如人意 live in harmony (with) 与…和谐共处 大量游客 野生动物栖息地 危及… be put in harm’s way ……受到伤害 Detailed Reading Reread para. 1 and underline the advantages of tourism. allowing service industries to grow consistently; giving jobs to the local population; increasing the prices of tourist essentials. Reread paras. 2 and 3 and underline the disadvantages of tourism. Wildlife habitats are likely to suffer. Local culture may receive insufficient respect. → physical impact → cultural impact Grammar non-restrictive relative clauses Grammar Reread the text and find the sentences with non-restrictive relative clauses. Working out the rules Read the grammar notes on P95 and finish the exercise at the bottom of P6. cannot which 不能用that Comparison | 限制性定从VS非限 区别一 非限与主句之间有逗号隔开 Our guide, who was a Canadian, was an excellent cook. Peter, whom you met in London, is now back in Paris. He said that he had never seen her before, which was not true. 限制性定从：对先行项的意义进行修饰 （删掉后会造成句意不完整，或者概念不清） 非限：对先行项进行补充说明。 （删掉后不影响整个意思的表达） 1. He has two sisters who work in the same company. 2. He has two sisters, who work in the same company. Perhaps he has more than two sisters. He has only two sisters. Comparison | 限制性定从VS非限 区别二 Comparison | 限制性定从VS非限 区别三 限制性定语从句（无逗号）：先行项只能是名词或代词。 非限制性定语从句（带逗号）：先行项除了可以是名词或代词，还可以是整个句子。(如果修饰整个句子，只能用which/as) 1. As we all know, the Earth is round. 2. Jim passed the driving test, which surprised me. Comparison | 限制性定从VS非限 区别四 非限不用that!!!!!!!!!!! I live in Nanjing, _________ is a big city. which ADADC 限制性定从 非限定从 形式 功能 先行项 引导词 主句和从句之间没有逗号 有逗号 对先行项的意义进行修饰 （不可删） 对先行项进行补充说明 （可以删） 名词/代词