Unit 5 A Delicate World Using language:第2课时学历案 2023-2024学年高二英语外研版（2019）选择性必修第一册

枣庄三中实验高中校区高二年级上学期英语学历案 编写教师:枣庄市实验高中英语统筹组长周敏 使用日期:2023.11 选必一 Unit 5 A Delicate World (第2课时) Using language: It as an empty object 自主学习【学】 【课标要求】 1. 本单元的主题语境是“人与自然”,涉及的主题语境内容是保护我们脆弱的星球。 2. 语法部分的主要内容是it做形式宾语的用法,包括一个小语篇和两幅对比图片。 3. 本版块旨在帮助学生深度聚焦语言的意义和功能,进行真实语境下的思考和交际运用,全方位提升学生的综合语言运用能力。 【学习目标】 1. 能够理解it作形式宾语的用法,并学会在真实语境中进行运用。 2. 学习并运用有关食物链的表达,了解生态系统中各食物链中不同物种之间的关系; 3. 了解生态平衡的重要性,鼓励学生为保护生态系统做贡献。 【自学评价】 重点词组 1. 2. be native to _ 3. due to _ 4. cute appearance _ 5. keep... as a pet _ 6. pet sliders _ 7. be released from _ 8. release ... into the wild _ 9. a big issue _ 10. a threat to _ 11. in an enclosed area _ 12. an animal shelter _ 13. National Forest Park _ 14. refer to _ 15. transform... into _ 师生研学【研】 【学习过程】 Step 1 Discover and summarize Look at the sentences and answer the questions. Sentences (a) and (c) are from the reading passage. a No visitor would think it surprising that the island is a UNESCO World Heritage Site. b No visitor would think that the island being a UNESCO World Heritage Site is surprising. c Experts felt it necessary to come up with a plan to remove all the rabbits from the island. d Experts felt to come up with a plan to remove all the rabbits from the island was necessary. 1. What does “it” refer to in sentences (a) and (c)? 2. What is the difference between the sentences in each group? Step 2 Summarize the use of “it”as an empty object it 作形式宾语的常见情况归纳如下: 1. it代替不定式短语。常用于:think/ find/ feel/ consider/ make/ regard... it + adj./n. + to do 1) I find it pleasant to work with him. 2) They felt it difficult to finish the work in such a short time. 3) She thinks it her duty to help him. 4) All these noises made it impossible for me to go on with the work. 2. it代替v.-ing只限于少数句型。consider/think/find... it + good/ use/ worthwhile... + doing... 1) The professor considers it no good reading without understanding. 2) Do you consider it any use arguing with him? 3) I don’t think it worthwhile going to such a place. 3. it代替宾语从句(that有时候可以省略)。 think/find/make.