7. Переведите, обращая внимание на инфинитив в

различных функциях:

1. We know the idea space flights to have attracted the attention of people since the remotest times.

2. The orbit of Mars turned out to be an ellipse.

3. The design of a mechanism depends on the work to be done.

4. To use atomic energy for peaceful purposes is the task of our scientists.

5. The conference discussed the problems, which are said to be extremely important for designing new types of computers.

8. Переведите, обращая внимание на инфинитив в

различных функциях:

1. The experiments have shown the electrons to be particles of negative electricity.

2. To know the quantity of energy present in a body is very important.

3. The internal energy appears to be connected with the configuration of the particles of which the atom is composed.

4. We expect these new devices to be widely used in various fields of science.

5. The model to be outlined below can be used to solve the problem.

9. Переведите, обращая внимание на инфинитив в

различных функциях:

1. The methods to be employed may be called “reliable heuristic programming”.

2. To escape the pull of the Sun a velocity of 16.6 kilometers per second is required.

3. Landing is certain to be the most difficult part of a flight to Venus, Mars and Mercury.

4. We know the Earth to be turning on its axis moving around the Sun in its orbit.

5. A general connection is supposed to have been established between the two values.

10. Переведите, обращая внимание на инфинитив в

различных функциях:

1. We know the ampere to represent the rate of electricity flow through the circuit.

2. The algorithm to be outlined below can be used to solve the problem.

3. To understand many parts of electronics we must know how electricity behaves at higher frequencies.

4. The secret of brick making seems to have been forgotten in the fifth century. It was revived again in the Middle Ages.

5. The predicted precision was found to be difficult to obtain in practice.

11. Переведите, обращая внимание на инфинитив в

различных функциях:

1. To determine the mechanical characteristics of a material is the purpose of tension test.

2. The problem to be considered can be illustrated with the data in Fig.3.

3. We know gravity to act on every particle of a body.

4. The construction of a new bridge was reported to have been completed.

5. The loss of activity of the substance proved to have been only temporary.

12. Переведите, обращая внимание на инфинитив в

различных функциях:

1. The time required for lifting this weight does not depend on the amount of work to be done.

2. We suppose all the details of the plan to have been worked out long ago.

3. With the aid of microscope one can see scintillation of light appear on a glass plate coated with crystals of sine.

4. Nickel and cobalt when alloyed together with other metals in the proper proportions are found to exhibit strong magnetic effects.

5. This experiment turned out to lead to good results.

13. Переведите, обращая внимание на инфинитив в

различных функциях:

1. In Mendeleev’s System we see similar elements have definite intervals.

2. There are some other phenomena to be considered at the conference.

3. To launch rockets a new type of fuel was needed.

4. The laser beam seems to have almost unlimited industrial possibilities.

5. The temperature in the center of the sun is believed to be 15 mln degrees Centigrade.