Unit1Nature in the balance Grammar and usage课件-2023-2024学年高中英语牛津译林版（2020）必修第三册

高中英语 必修（第三册） Unit 1 Nature in the balance Grammar and usage Ellipsis[ɪˈlɪpsɪs] By the end of this section, you will be able to: 1. learn about the functions of ellipsis; 2. summarize the general rules of ellipsis; 3. apply the rules of ellipsis in the new context. Learning aims 简洁的语言是智慧的灵魂，冗长的语言则是肤浅的藻饰。 ——莎士比亚 删繁就简三秋树，领异标新二月花。 ——清 郑板桥 世界上最好的著作差不多也就是文字清浅简练的著作。 ——老舍 Lead-in Have you ever watched any TV programmes about environmental protection? What was it about? Yes. It was about air pollution./It was about the extinction of rare animals./It was about global warming … Lead-in 1. What is the documentary about? 2. How did Jack feel when watching the documentary? 3. What do the leading experts suggest doing to solve the environmental problems? Exploring the rules 2. He felt worried when watching the documentary. Exploring the rules 1. It’s about environmental protection./It’s about some of the worst environmental problems we are facing today. 3. Some call for the application of modern technology, and others a change of lifestyle. Exploring the rules 1. No, I didn’t (watch the documentary about environmental protection on TV yesterday). 2. You can watch it online if you want to ( ). 3. I felt worried when ( ) watching the documentary. 4. Some call for the application of modern technology, and others ( ) a change of lifestyle. 5. ( ) Got any idea? 6. ( ) Sounds great! watch it I was call for Have you It/That Write down the words that have been left out of the sentences in Part A below the conversation. We sometimes use ellipisis to avoid (1) (stressing/repeating) one or more words when the meaning is clear. We can use ellipsis: in short responses(Yes,I didn’t); in infinitives（不定式）(I didn’t want to); after some conjunctions like if, when and while、where、than(if necessary/when singing/wh