Tigers live in the forests of Asia. They are usually 1 and black. Tigers are symbols of strength and courage. They are important to the environment. Because they are 2 the food chain (链条) in the forest and keep the number of other wild animals in balance (平衡).
In recent years, tigers are in great 3 . Some people hunt and kill tigers for money. People 4 a lot of trees as well. As forests disappear, tigers lose homes. The number of tigers was around 100 000. But today that number has dropped to a few thousand. We must take the tigers 5 and do something about to save them.
