2020-09-23到2020-11-09
第一章 Introduction 第一章 测验
1、 Solid wastes don’t include
A:A bottle of water
B:A gas cylinder with O2
C:Sewage sludge
D:Nuclear waste
答案: Nuclear waste
2、 Which process is not a recyclable one?
A:Energy from waste
B: Extracting metals from wastes
C:Composting
D:Waste sorting
答案: Composting
3、 Which problem does not result from soli