Задания

1) Переведите следующие предложения:

I. 1. Only scientific theory can ensure practical achievements. 2. We now know that the atom is divisible. 3. The electric current flows in the circuit only after it is closed. 4. The only resistance in this case is the internal resistance of the cell. 5. The movement of a jet plane is so swift that the eye can follow its flight only with difficulty. 6. Unlike uranium, oxygen is a very light element. 7. Since the weight of a body is a force, it must be expressed in force units. 8. The boiling stopped and the liquid became still. 9. We could not see the ships as they were hidden by a dense fog.

II. 1. The declaration of the Council of Peace rightly points out that its demands are quite practical. 2. We want the atomic warfare to be forbidden since the atomic bomb is a weapon of mass destruction. 3. When the Great Patriotic War broke out the Soviet State was still the only socialist country in the world. 4. Scars left by the war are still visible in many cities of Egypt. 5. In the colonies monopoly capital functions parasitically, since it is invested principally in the sphere of circulation and does not contribute to the economic development of these countries.

III. 1. A great amount of energy liberates after the atomic burst. 2. It was believed before that the atom is indivisible. 3. It is difficult to liberate oxygen from a compound, for its compounds are very stable. 4. The Centigrade temperature scale is the only scale used in most countries. 5. Potassium chloride melts at 360° and, as the temperature rises still higher, bubbles of oxygen appear in the liquid and break on its surface. 6. Since one-half of the material of the earth's crust is oxygen, its compounds are very common. 7. We expect the chemical properties of pure oxygen to be like those of air. 8. All planes but one returned from the flight. 9. We like all kinds of sport. 10. Unlike Sofia a city of straight avenues, Bucharest has many winding streets.

IV. 1. A transformer cannot be called a machine, for it has no moving parts. 2. A mixture of two liquids like milk is called an emulsion. 3. In radar, unlike in communication, the transmitter and the receiver are located at the same place. 4. Like poles of magnet repel each other. 5. Perpetuum mobile is but a naive dream of the ancient people. 6. As the radio wave travels through the space, the electromagnetic part of its energy rapidly drops in strength. 7. As we should infer from the vigour with which its constituents combine, water is a very stable substance. 8. In the atomic nucleus there are forces of attraction that keep the protons and neutrons together.

Дата добавления: 2015-07-25