A Before Reading 1
1 What Is Waste? 3
2 Natural Recycling 6
3 Wasting the Earth s Resources 8
4 Example of Daily Waste 14
5 How to Dispose of Waste 17
6 The Three Rs:Reduce,Reuse,Recycle 21
B While Reading 26
7 Recycled Products 28
8 Composting 39
9 More Ideas 43
Points for Understanding 47
C After Reading 50
Answer Key 52
新标准中小学分级英语读物 56