33 БАЛЛА
Fill in the blanks with the superlative degree of comparison.

1. Lake Baikal is … lake in the world. (deep).
2. The Volga is … river in Europe. (long).
3. The Russian Federation is … country in the world. (large).
4. The Ob, the Yenisei and the Lena are … rivers in Asia. (large).
5. Russia has … oil and natural gas resources. (rich).
6. The water in lake Baikal is … on earth. (pure).