1 Why are animals in danger?
2 The effect of humans
3 Animals matter
4 On land
5 In the water
6 In the sky
7 What can countries do?
8 What can we do?
9 What can zoos do?
10 ‘New’ animals
GLOSSARY
ACTIVITIES: Before Reading
ACTIVITIES: While Reading
ACTIVITIES: After Reading
TRANSLATION 参考译文