2016-2017学年 译林版 必修5 Unit3 Science and nature Task 课件 (7)
2016-2017学年 译林版 必修5   Unit3 Science and nature   Task 课件 (7)第5页

 When we are asked to pass information, we usually make mistakes. We need to: 1. correct grammatical errors (语法错误) and spelling mistakes 2. make changes to the information in the text 3 . change the style or the tone(语调)