Unit 4 Reading for Writing-Language points 课件-2022-2023学年高中英语人教版（2019）必修第三册

Unit 4 Space Exploration Learning aims 1. To read quickly to get main idea; read carefully to get the detailed information. 2. To master the structure and language features of an argumentative essay. 3. To learn to write your opinion about space exploration. 4. To know the value of space exploration. Leading-in Look at the pictures and learn about the advantages and disadvantages of space exploration. Do you think exploring space is a waste of time and money? Why? Thinking Reading Comprehension 1. Find out the main idea of each paragraph. Para. 1: _______________________________________________________  ____________________ Para. 2: _______________________________________________________ ______________________  Para. 3: _______________________________________________________ ______________________________________________________ Para. 4: _______________________________________________________ _______________________________________________________ Para. 5: _______________________________________________________  _________________________ Present an argument whether exploring space is a waste of time and money. Exploring space has made a difference in the fight against world hunger. Space exploration has already promoted technological improvements that benefit us. Sending astronauts into space has furthered understanding of the world’s problems and figuring out ways to solve them. Fast reading Draw a conclusion that exploring space is of great benefit, so we should continue. an argument about introducing different benefits of exploring space. 2.The main idea of the passage is about _________________ ____________________________________________ Careful reading 1. Why are some people against space exploration? 2. What has space exploration done for food production? 3. How does space exploration bene