Look through the text and find the English equivalents to the following words and word combinations; use tem in the sentences of your own.

В качестве примера, говоря по-научному, такой как, и так далее, общеизвестно, таким образом, вышеупомянутый, одновременно, в результате, в настоящее время.

4. Find the participles in the text and define their functions.

5. Translate the following sentences paying attention to the parti­ciple:

1. The girl is finishing her work. 2. The work is being finished by the girl. 3. The girl finishing her work is my sister. 4. Finishing her work, the girl spoke to her friend. 5. The work having been finished, the students went home. 6.Having finished her work, the girl went out. 7. Having been finished in time, the work was given to the teacher. 8. My brother finished his work, his friend having helped him.

6. Compare A. and В. and define the function of the participle.

(a) Having finished my translation, 1 gave it to the teacher.

(b) The translation having been finished, I gave it to the teacher.

(a) Having finished the experiment, the students left the laboratory.

(b) The experiment having been finished, the students left the laboratory.

7. Translate the following sentences paying attention to the Absolute Participle Construction:

1. An object losing its potential power, that power is turned into kinetic power. 2. Water falling from its raised position, power is changed from potential to kinetic. 3. My friend was reading an English article, his brother watching television. 4. Electrical devices find a wide application in every house, a refrigerator being one of them. 5. There being a hydroelectric station at the waterfall, the power of the falling water is used to drive the turbines. 6. The power sources of the world decreasing, the scientists must find new sources of power. 7. There are different sources of power, the sun being an unlimited source of all its forms. 8. Industrial applications of power increasing, more and more power is needed every year.

8. Give short answers to the following questions:

1. Can one form of power be changed into another? 2. Does a generator produce mechanical power? 3. Is the sun an unlimited source of power? 4. Can we employ power directly? 5. Have scientists transformed solar power into electric power? 6. Is potential power the power of motion? 7. Do we need more and more electric power every year? 8. Are there various forms of power? 9. Do you use electric power every day? 10. Can the power of falling water be used to drive the turbines? 11. Is kinetic power the power of position?

9. Form questions for the following short answers.

Model: Is the sun an unlimited source of power?- Yes, it is.

1. Yes, he does. 6. No, there are not.

2. No,we do not. 7. Yes, we must.

3. No, they cannot. 8. Yes, there is.

4. Yes, I did. 9. No, you may not.

5. No, it is not. 10. Yes, we will.

10. Translate the following sentences:

1. Падающая вода может приводить в действие турбину. 2. Говоря об энергии, мы могли бы упомянуть потенциальную и кинетическую энергию. 3. Работая в лаборатории, студент пользовался электрическими приборами. 4. Прочитав второй текст, мы начали переводить его. 5. Химические источники тока находят ограниченное применение в промышленности.