Unit 1 Nature in the balance Grammar and usage 教案-2023-2024学年高中英语译林版(2020)必修第三册

课 时 教 案 课题： Grammar and usage U1B3 第　1　课时 总序第21个教案 课型： New lesson 编写时间:2024年3月21日 执教时间：2024年3月25日 教学目标：1. learn about the functions of ellipsis; 批　注 2. summarize the general rules of ellipsis; 3. apply the rules of ellipsis in the new context. 教学重点： summarize the general rules of ellipsis; 教学难点：apply the rules of ellipsis in the new context. 教学用具：Multi-media 教学方法：Group work, discussion 教学实施过程： 1. Have students read the conversation of part A and answer the following questions. (1) What is the documentary about? It’s about environmental protection./It’s about some of the worst environmental problems we are facing today. (2) How did Jack feel when watching the documentary? He felt worried when watching the documentary. (3) What do the leading experts suggest doing to solve the environmental problems? Some call for the application of modern technology, and others a change of lifestyle. 2.Have students complete the sentences of part A below the conversation on P6. (2) watch it (3) I was (4) call for (5) Have you (6) It/That 3. Have students finish “Working out the rules” of part A on page 6. (1) repeating (2) informal 4. Have students go through “Grammar notes” on page 98. Give explanations 批　注 if necessary. 5. Have students finish B1 on page 7. (1) I cannot watch the documentary this weekend, though I would like to. (2) Cows live on land, and fish in the water. (3) The Amazon rainforest is smaller now than 50 years ago. (4) He had planned to borrow a book on environmental protection, but he didn’t. (5) When taking photos of wildlife, we should make every effort to ensure that we keep away from the animals. 6. Have students finish B2 on page 7, and then answer two questions. (1) What is GreenHope? It is an organization devoted to protecting forests. (2) What will you receive if you take part in the activity? A medal. 7. Have students finish B3 o