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Exercise 11. Open the brackets putting the verbs in the necessary form. Translate the sentences.

  1. The characteristic of science (to set apart) it from other branches of knowledge.

  2. He (to perform) an experiment this month.

  3. Modern technology (to change) already our lives.

  4. Development of nuclear power (to solve) many problems of energy in this region.

  5. Studies in anatomy and physiology (to lead) to new surgical techniques.

  6. Since the invention of life-saving machines they (to work) as lungs, kidneys and heart.

  7. Scientific and technological achievements (to create) serious problems.

  8. Rapid growth of industrial technology (to result) in environmental pollution already.

  9. In the past some people (to fear) biological research.

  10. He (to determine) some properties of the material during the last experiment.

  11. The discovery of radium (to take place) in the 20th century.

  12. This scientist (to make) a breakthrough in the field of radioelectronics.

Exercise 12. Make up two sentences using the necessary tense. Explain the difference between them:

1. He (to investigate the case)

  • this year

  • last year

2. Astronauts (to explore the Mars)

  • for many years

  • already

3. The scientists (to unify data)

  • not yet

  • yesterday

4. The teacher (to explain the task)

  • at the previous lesson

  • never

5. The results (to be verified)

  • since the beginning of the work

  • last week

6. The car (to be tested)

  • before

  • for two hours

7. The items (to be included)

  • in the plan earlier

  • just

8. They (to prove these facts)

  • during the experiment

9. The characteristics of the substance (to be determined)

  • never

  • yesterday

10. He (to revise) his ideas

  • during the debates

  • today

11. The body (to expand)

  • when it was heated

  • already

12. This kind of weapon (to be invented)

  • not … yet

  • last century

Exercise 13. Reconstruct the questions and answer them:

  1. … he (to solve the problem) the day before yesterday?

  2. … he (to apply his knowledge of the subject)?

  3. … she (to find) the clue to the puzzle already?

  4. … environmental pollution (to be) one of the main concerns since the beginning of technical revolution?

  5. … you (to examine) this substance for 2 hours?

  6. What … he (to do) in this field of physics?

  7. What lectures … you (to attend) this week?

  8. … you (not to make) the discovery yet?

  9. … you ever (to revise) your decisions?

  10. … this equipment (to be tested) before?

Exercise 14. Translate the sentences:

  1. Він не знаходив застосування своїм знанням.

  2. Множину питань було вирішено на конференції.

  3. Дослідження проходить успішно із самого початку.

  4. Іспити апаратури проводяться вже три дні.

  5. Він намагався пояснити явище, але не міг.

  6. Студент довів цю теорему й одержав відмінну оцінку.

  7. Вони переглянули всі навчальні матеріали цього року.

  8. Це було відкриття найбільшої важливості.

  9. Цю галузь науки ще не досліджено.

  10. У цьому районі завжди існує недостача ресурсів.

  11. Ми замінили постаріле обладнання на нове.

  12. Пошук джерел дешевої енергії продовжується багато років.

Text 3 A

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