人教版（2019） 必修第三册 Unit 4 Space Exploration Reading for Writing(共21张PPT)

Reading for writing IS EXPLORING SPACE A WASTE OF TIME AND MONEY? Lead 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 1 Why are some people against space exploration? 2 What has space exploration done for food production? 3 What did the pictures of Earth from space make people realise? 4 How does space exploration benefit the products that people use nowadays? Read the argumentative essay about space exploration and answer the questions. P44 1 Possible answers. 1 Why are some people against space exploration? 2 What has space exploration done for food production? Because they think it is a waste of time and money, and that we should feed the world's poor and find immediate solutions to other problems, such as pollution and fatal diseases, instead. Satellites study land and weather patterns. These studies help farmers grow more crops and warn them about natu