Variant 2

Ex. 1. Перекладіть речення звертаючи увагу на значення слова"solve":

Note: to solve — вирішувати; розчиняти

1. They have solved recently many important problems in the field of artificial radioactivity. 2. He has solved the substance easily. 3. Another problem which he had solved by that time was important and interesting for research-workers.

Ex. 2 Перекладіть спільнокореневі слова:

to invent, inventor, invention; discover, discovery; to vary, va­rious, variety; to penetrate, penetration; to create, creation; to form, formation; to accelerate, acceleration; to apply, application; to research, researcher; to produce, production.

Ex. 3. Перекладіть речення звертаючи увагу на вживання the Present Perfect and Past Perfect Tenses:

1. The scientists and engineers have built an apparatus which makes it possible to test materials which will be used in cosmos. 2. He had collected some information about modern discoveries in the branch of chemistry by the end of the year. 3. Chemists have discovered how to break down compounds which occur naturally into their elements. 4. The foundation of the Dubna Institute had played an important role in the development of the world science. 5. They have not solved this problem yet. 6. Soviet scientists have already solved many problems of nuclear physics. 7. We have not seen him since he graduated from the Institute. 8. Recently our factories have produced many new synthetic products. 9. Our scientists have given great attention to the development of peaceful uses of nuclear energy.

Ex. 4. Перекладіть речення звертаючи увагу на значення слова "to have":

1. Many foreign scientists have visited Dubna. 2. Biologists have dis­covered new kinds of microorganisms which produce a number of antibi­otics. 3. The laboratory has very good ventilating-hoods. 4. We have got two lectures on Monday and three lectures on Friday. 5. Soviet engineers have created the machine which helps to detect unknown particles. 6. This invention has a great significance for science, 7. This new accel­erator has a great capacity. 8. Have you seen this new device in our labo­ratory? 9. He has a great number of books on analytical chemistry. 10. He has made about twenty discoveries which play an important role for our research work. 11. they had a number of interesting lectures last year. 12. The students had carried out their first experiment by the end of September.

Ex. 5. Утворіть іменники від поданих слів за допомогою суфіксів "-ness", "-ity", "-urе":

useful, dense, thick, moist

Ex. 6. Визначте суфікси в словах перекладіть їх

important, significant, various, different, artificial, chemical, valu­able, scientific, industrial, experimental.

Variant 3

Ex. 1 Перекладіть речення звертаючи увагу на пасивний стан

1. Physics and chemistry are taught at school. 2. Some of the experiments were carried out in our Institute. 3. Our Institute was named after the great Russian chemist D. I. Mendeleyev. 4. Some of the properties of this substance will be predicted. 5. He was appointed Rector when he was 35 years old. 6. Almost all branches of chemistry and physics will be enriched by this new theory. 7. I was told about that great chemist who devoted his life to chemistry. 8. A new laboratory will be built in May. 9. The professor was asked many questions after the lecture. 10. He was sent abroad to continue his studies. II. This problem is dealt with in many text-books. 12. This article will be presented as soon as we finish it, 13. This problem is being discussed by many scientists both in our country and abroad. 14. Some new results were obtained by a group of research-workers. 15. This substance cannot be used, it has many impurities.

Ex. 2. Підкресліть речення де слово"was" перекладається як "був", "була":

1. He was carrying out his experiments when I entered the laboratory. 2. The substance was examined under the microscope. 3. He was born in Siberia. 4. He was interested in chemistry when he was a school-boy. 5. He was sent to Petersburg to continue his studies. 6. This student was present at the lecture. 7. This work was interesting both for him and for his students. 8. He was appointed Professor of Moscow University. 9- His work was devoted to physics. 10. He was not present at the Institute yesterday.

Ex. 3. Виберіть правильний переклад речень

I. The professor was asked many questions by the students after the lecture.

1. Профессор задав багато питань студентам після лекції

2. Після лекції професору задали багато питань

3. Професору задали студенти багато питань після лекції

4. Після лекції студенти задали професору багато питань

II Chemistry is taught at our Institute by a well-known scientist.

1. Хімія викладається в нашому інституті відомим вченим

1. Відомий вчений викладає курс хімії у нашому інституті

Ex. 4. Виберіть українські еквіваленти з правої колонки

especially представляти

to graduate from саме цей

hardly важкий

the very незважаючи на

hard мати справу, стосуватися

despite особливо

to deal with закінчити

to present бути присутнім

to be present ледве

Ex. 5. Відкрийте дужки вибираючи відповідне слово. Перекладіть українською

1. Many scientists before D.I. Mendeleyev tried to classify elements (despite, according to) their atomic weights. 2. He worked (hardly, hard) at the new problem. 3. It was (very, the very) important to solve this problem in time. 4. They could (hard, hardly) finish their work without his supervision. 5. Elements with (very, the same) properties are at definite intervals in the Periodic Table. 6. When D. I. Mendeleyev went to gymnasium he was interested (both, both... and) in mathematics, physics. 7. Give me (very, the very) book you brought. 8. He was very (interested, interesting) in chemistry from (very, the very) childhood.

Variant 4

Ex. 1 Визначте до який частин мови належатьслова і перекладіть їх українською

extremely, numerical, means, essentially, constituent, regular, relative, determination, unite, evidence, type

Ex 2 Перекладіть речення українською мовою

1. According to the atomic theory this means that the number of atoms of carbon in combination with the same number of atoms of oxygen is two times as great in carbon monoxide as in carbon dioxide. 2. The velocity of a reaction means the amount of the material which undergoes change in unit time. 3. The heterogeneity of a substance may be shown by different means. 4. Fractional distillation is used extensively in chemical industry as a means of separating and purifying many products. 5. The average distance through which a molecule moves between collisions is called the mean free path. 6. The kinetic theory makes it possible to calculate the mean velocity of molecules.

Ex. 3. Відкрийте дужки вибираючи відповідну форму прикметника, перекладіть українською

1. Atoms are not (smaller, the smallest) particles, but they are very small. 2. This discovery is (more important, the most important) than the previous one. 3. It is much (easier, the easiest) to make parts of plastics than of metal or wood. 4. This is (the best, better) laboratory in our Institute. 5. Aluminium is (lighter, the lightest) known metal. 6. Hydrogen is (lighter, light, the lightest) of the elements. 7. Beryllium is (less, little, the least) active member of the group, and there is a regu­lar increase in activity from metal to metal in the order of increased ato­mic numbers. 8. Moscow University is (large, larger, the largest) Univer­sity in our country. 9. (Much, more, the most) characteristic chemical property of hydrogen peroxide is its great oxidizing power.

Ex. 4 Перекладіть українською, звертаючи увагу на пасивний стан

1. Electrons have been spoken of as moving in orbits about the atomic nucleus. 2. This law is generally spoken of as the Second Law of Thermodynamics. 3. It had already been mentioned that many of the elementary gases could exist in diatomic molecules. 4. In general the oxidation number may be thought of as an electrical charge of the atom. 5. The results of our work will be discussed at the conference. 6. A base is referred to as a substance that accepts protons from another substance. 7. It has been noted that chlorine dioxide reacts with water. 8. The sodium salt is being manufactured in industrial quantities. 9. This method is being used in our laboratory. 10. The Institute was being built when we came to this town.