1 We should love and the Earth because it is our home.
2 We should not energy.
3 Wood trees. We should not too many trees.
4 In many places, there is not much water. We should water.
5 Don't throw it away. It's .

1 protect 2 waste 3 comes from, cut down 4 reuse and save 5 useful

E Read and match(将单词和相关的释义连线)
1 reuse　　　a a sign posted at a public place as an advertisement
2 collect　　　b to use something again
3 other　　　c the planet we live on
4 poster　　　d not the same one
5 Earth　　　e to get or gather together

1 b 2 e 3 d 4 a 5 c

1 In some countries, there is not .
2 The children can paper and bags to make a box.
3 My father to work every morning.
4 We can use wood to make chairs, desks and many things.
5 The is useful, and we can use it to make things.
6 Look. Helen a project now.
7 Let's the Earth and it clean.

1 much, oil 2 reuse 3 drives 4 other 5 glass, many 6 is doing 7 protect, keep