III. Вкажіть номери речень які відповідають змісту текста.

1. The continental crust contains less iron and magnesium than the oceanic crust.

2. Mineral deposits are seldom equally rich throughout.

3. As sediments grow larger and are buried deeper, increasing pres­sure and rising temperature produce physical and chemical changes in them.

4. Iron has played a large part in the development of our modern civilization.

5. Surface mining is a very economical method of working iron fields.

IV. Перепишіть та письмово перекладіть 2, 4, 5, 6 та 7 абзаци тексту.

V. Перепишіть наступні речення та перекладіть їх на українську мову. Визначте в кожному з них видо-часову форму, стан та інфінітив дієслова-присудка.

1. Automation is being increasingly used in all branches of our industry.

2. The papers have not yet been sent.

3. In spite of the fact that the report was short, it covered the subject completely.

4. He told me that he had never worked at the mine.

5. I hope we shall never deal with this matter again.

VI. Перепишіть наступні речення та перекладіть їх на українську мову, звертаючи увагу на типи підпорядкування.

1. The people who were organizing the conference made a good deal of work.

2. Experiments have shown that laser can be used effectively for welding.

3. Because red, green and blue give the largest range of colors when mixed, they are known as the primary colors.

4. When they had covered three quarter of the way, the balloon began to go down.

5. In order that miners’ work becomes safer and easier automatic control systems must be used.

VII. Перепишіть наступні речення та перекладіть їх на українську мову, звертаючи увагу на функції слів one (ones), this (these), that (those).

1. One cannot that it’s easy to combine work and study.

2. Lobachevsky is one of those who laid the foundation of mathematical science.

3. The problems of water supply in the town are as important as those of lighting.

4. I’ll show you the engine that we must test.

5. This machine proved to be more effective than the one we had used.

VIII. Перепишіть наступні речення та перекладіть їх на українську мову, звертаючи увагу на форми та функції інфінітиву.

1. To recognize valuable minerals it is necessary to know their distinctive physical properties.

2. It is difficult to understand the nature of fossils without studying their origin.

3. The valuable information to be collected by sputniks will help to improve the previous results.

4. He supposes to finish the calculations in an hour.

5. To give a much more exact estimation of the deposit is the main task of detailed exploration.

IІI варіант

I. Прочитайте та усно перекладіть текст