2. Переведите следующие предложения на русский язык, обращая внимание на оборот "сложное дополнение с инфинитивом".

1. We know the strength of the current to depend on the resistance of the circuit.

2. The ancient philosophers believed motion to be a forced, temporary state of a body due to the action of external forces.

3. Experiments show the force of gravity acting upon a given body to be different at various points on the Earth.

4. Everyday observations show hot objects to radiate much more heat than cold ones.

5. We know gamma rays not to carry a charge of electricity and not to be deflected by either an electric or a magnetic field.

6. The addition of heat causes the molecules of a substance to speed up and makes it expand.

7. Attractive forces make molecules collide.

8. The addition of some new elements allows new substances with new properties to be obtained.

9. The third law of thermodynamics permits the behaviour of a substance at a very low temperature to be explained.

10. The plasticity of steel allows it to be worked either hot or cold.

11. Heat absorbed by a liquid causes the liquid to evaporate.

12. Hydrolysis at high temperatures permitted the reaction to be carried out in 30 minutes.

2. Проанализируйте предложения, используя графики структуры предложений с инфинитивными оборотами. Переведите предложения.

1. 1. In ancient times air was considered to be an element.

2. The force of gravity is known to play an important role in many common phenomena of mechanics.

3. This law is stated to have been discovered by M. Lomonosov.

4. This experiment is expected to give good results in the nearest future.

5. This device seems to have been used for a long time.

6. As to this method it has proved to be very useful.

7. The scientists are unlikely to get the answer to these questions.

8. This method is certain to be used in applied mechanics.

2. 1. We know dynamics to treat the particles and bodies in motion.

2. The professor wanted us to test this material as soon as possible.

3. The scientist felt these results confirm his idea.

4. Heating causes gas pressure to grow.

5. Steam made the piston move.

6. These basic laws of motion enabled many complicated problems of mechanics to be solved.

7. These instruments allow the pressure to be controlled continuously.

8. Computers permit a lot of facts and figures to be processed at great speed and with high reliability.

9. The new working conditions permitted these complicated problems to be solved.

3. 1. This force seems to be acting on the plane.

2. Bodies are considered to be free when they are not in contact with any other body.

3. They watched the temperature rise gradually.

4. Two parallel forces are known to constitute a couple if they are equal in amount and opposite in direction.

5. Individual atoms or large groups of atoms and molecules were found to have an attraction

6. The addition of some new elements allows new substances with new properties to be obtained.

7. Different external forces cause the object to change the direction of its motion.