The Siberian tiger is the largest of all tigers. An adult male can grow up to 3.3 meters in length and weigh as much as 300 kilograms. Although Siberian tigers are strong, they are one of the most endangered animals. There are less than 500 of these beautiful animals still living in the world. Long ago, Siberian tigers were common all over the Northeast Asia and the Russia Far East. However, today they are found mainly along the Chinese-Russian border (边境). When people build cities and cut down trees, it means the tigers have less food and less space to live in. That’s the main reason why the number of the Siberian tigers is reducing.

In recent years, China has set up natural reserves (保护区) and begun to protect the Siberian tigers. There are also plenty of Siberian tigers in zoos. It is hoped that some of these tigers can return to the wild. Of course, they would need to learn how to hunt and take care of themselves. An adult Siberian tiger requires up to 100 square kilometers of forest to live in. At present, there is not enough forest available to support so many Siberian tigers in the wild.

Judge the sentences below true (T) or false (F) according to the passage.

1. 1．The Siberian tiger is larger than any other tiger in the world.

A    T

B    F

C    

D    

2. 2．Siberian tigers are the most dangerous animals.

A    T

B    F

C    

D    

3. 3．Long ago, it was hard to see the Siberian tigers in the Northeast Asia.

A    T

B    F

C    

D    

4. 4．There are fewer and fewer Siberian tigers mainly because of less food and less space.

A    T

B    F

C    

D    

5. 5．Siberian tigers have full room to live in the wild now.

A    T

B    F

C    

D