UNIT 4

本文の内容と一致するものにはＴ，一致しないものにはＦと書きなさい。

1.Most parts of cell phones, computers, and other small gadgets have usually been recycled.（　　）
2.We can get precious metals like gold, silver, etc. by recycling e-waste.（　　）
3.E-waste laws have prevented the urban mining industry from growing.（　　） 
4.China, as the world’s largest supplier of rare earth minerals, ensures a stable supply of these resources.（　　）
5.Urban mining has its own demerits such as high cost and toxic waste.（　　）