Перепишите предложения. Подчеркните придаточные обстоятельственные. Переведите предложения на русский язык:

a

1. Whatever advice you give, be short.

2. I will believe it when I see it.

3. You never know what you can till you try.

4. While there is life there is hope.

5. Until the reaction is over no definite evidence can be obtained.

6. This value may be subject to refinement when analyses are complete.

7. Al­though these two methods will require completely different control structures, the techniques used will not be very different.

8. When they advanced their hypothesis they had no adequate tool to make it practicable.

b

1. When we come to this point, we shall speak only in terms of numerical values.

2. This procedure is applicable whether or not the product is pure.

3. Since his forecasts are imperfect, every day he suffers an opportunity loss.

4. The heat problem will become insignificant, since transistors emit a negligible amount of heat.

5. Since the unit of potential is called a volt, potential itself is called "voltage".

6. Whenever Greek colonies were established, there were definite possibilities of scientific ad­vance.

7. However many times the experiment was repeated the final velocity was always the same.

8. The real surface area of films is sometimes equal to their apparent area what­ever the film weight.