O’zbekiston respublikasi oliy va o’rta maxsus ta’lim vazirligi mirzo ulug’bek nomidagi o’zbekiston milliy universiteti

VIII. Quyidagi savollarga to`liq javob bering:
1. What did the expedition do in the basin of the two great rivers?

2. What do the two great rivers feed?

3. What pollutes the two great rivers?

4. What are the results of man's activety?

5. What kind of lands became salinated?

6. Who has studied various areas of the basin of the Amu Darya and the Syr Darya?

7. What is the cause of this dangerous ecological situation in the Aral Sea basin?

IX. Quyidagi gaplarni tarjima qiling:
1. The results of man-made activity have raised a lot of problems.

2. The chemical industry has made negative influence on the life of the great rivers.

3. The construction of the canal has raised the humidity of a large extended zone highly.

4. The level of the ground waters depends on the additional reservoirs made by man.

5. The pollution of our rivers has reached a high level.

6. The ecological situation in many countries has become so dangerous for the men that it is necessary to solve this problem immedeately.