II. Listen and tick the sentences which indicate changes of topics in the passage. They stay as ponds, lakes and marshes during the summer. ( ) 2. Tundras have very severe winters which last for about nine months of the year. ( ) 3. There is some snow in the tundra, but the wind sweeps the snow away from the ground in many places. ( ) 4. Summer in the tundra lasts from May to July. ( ) 5. In June the tundra is blanketed with gorgeous, blooming flowers. ( ) 6. About 900 different kinds of plants grow in the tundra. ( ) 7. In the summer, the tundra is very busy with animal life. ( ) 8. Many animals live in the tundra. ( )