第6页 - 译林版实验班提优训练英语六年级上下册答案

B

C

D

C

A

Wood comes from trees. We use

wood to make tables, chairs and many other things. We should plant more trees and shouldn't cut down too many

trees because trees help keep the air clean. Plastic bags and bottles are bad for the Earth. We should use cloth bags

and glass bottles in our life.

We should protect the Earth from now on.