Найдите в тексте примеры употребления Present Perfect и переведите эти предложения.

1.16. Выберите правильную временную форму (Present Perfect или Past Simple):

1. He was interested / has been interested in scientific research since he entered the University.

2. When did you install / have you installed the new equipment in the laboratory?

3. They didn’t give / haven’t given the explanation of these strange
facts yet.

4. They determined / have determined the main properties of the substance.

5. He has just made / just made a discovery in physics.

6. They didn’t receive / haven’t received any good results when they worked with this type of equipment.

1.17. Ответьте на вопросы по тексту:

1. What role has scientific and technological development played in man’s life?

2. What proves that science and technology are closely connected?

3. What do people use new technologies for?

4. What have people invented for all human’s history?

5. What did industrial technology start with?

6. How many scientists worked in 1970s? What was the result of this scientific activity?

Используя данные вопросы в качестве плана, подготовьте нeбольшое сообщение о роли науки и технологии в жизни человечества.

Напишите мини-сочинение о том, какое научное открытие облегчило человеку жизнь (объем 150-200 слов).

Unit 2

Scientists and Inventors

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