2016-2017学年 人教版 选修6 unit4 Global warming Reading 课件 (1)
2016-2017学年 人教版 选修6 unit4 Global warming   Reading 课件 (1)第3页

 Read Tom’s essay about litter and finish the tasks below. 1. What is the main point of view? The main point of view to be circled: All sorts of items become litter, but two of the most common and most dangerous are cigarette butts and plastic bags.