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9.Find the correspondence:

1. ecological problem; global; detente; non-renewable resources; cooperation; optimization of the interrelation of society and nature

2. working or acting together for a common purpose; the problem of the interrelation of society and nature; the way and means of restoring equilibrium between society and nature; world-wide; natural rasources that cannot be renewed; relaxation of strained relations; especially between countries.

10.Using the text answer the question: “ What is the theoretical base for solving ecological problem?”

12. Say about the point of view of Western scientists on ecological problem. Make up the dialogue.

13.Say what measures are decided for solving ecological problems in our country? What documentreflects this?

LESSON 68

Translate the following conditional sentences into Ukrainian.

1. If there were no atmosphere, the surface of the earth would become very very hot by day and too cold at night. 2. Provided all the data of the experiment had been important, they would have been tabulated. 3. A column of warm air will weigh less than a column of cold air if both are the same height and cross section. 4. If would have saved you a lot of time if you had prepared for your experiment more carefully. 5. Starting an experiment we must first determine if the substance is a compound or simply a mixture. 6. Provided we use the necessary instruments the measurement will always be correct. 7. Could our observations have been supported theoretically, they would have done much to advance our knowledge in the field of radioactivity. 8. Many accidents could have been prevented had the principles of physics been known and properly applied. 9. If he does it, he will be right. 10. If I were you, I should do it. !!. If you were more attentive, you would not make so many mistakes.

2. Open the brackets and insert the right form instead of the Infinitive. Translate the sentences into Ukrainian.

1. If I ( to be ) you I should not treat her in such way. 2. If he ( to be ) well, he would join our excursion. 3. If you spoil my things, I ( to be angry ) with you. 4. If the ore had been extracted in this place, we ( to see ) something on the ground.5. The engineer said to the workers:” If you ( to return ) to the shaft, you will find the car near it “. 6. If he had stopped him going there, this accident ( not to happen ). 7. If I saw you every day, I ( to inform ) you about all the happenings. He ( to notice ) me on the platform if I had had my old dress on.

3. State the form of the Subjunctive Mood and translate the following sentences.

1. Without the force of gravitation there would be no pressure in liquids. 2. The sun radiates as much energy every second as would be released by the explosion of several billion atomic bombs. 3. By reduction in jet velocity it would appear to be possible to increase the propulsive efficiency for a given rocket. 4. Only a few years ago, the idea of setting up artificial moon to circle the Earth would have sounded fantastic.

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