EX 1. Identify the infinitives and give Russian equivalents of the relevant part of the sentence 1. To make a choice between these two alternatives is not an easy task.
2. To be on the safe side, take special care of the accuracy of the calculation.
3. To foresee what the future will be like requires analysis of the past experience.
4. To tell the truth, the results have no direct bearing on the problem under investigation.
5. To argue about it is not fruitful at the moment.
6. To establish cause-effect relationship between smoking and some diseases, extensive research is being carried on at several research centres.
7. To sum up, synthetic problems are studied for the possibilities which they hold for practical applications.
8. To put it another way, the experimental procedure must suit the purpose of the experiment.
9. To be able to forecast the future, we must begin by a thorough analysis of the past course of events.
EX 2. Give English equivalents of the italicized parts of the sentences.
1. Для того чтобы соответствовать цели эксперимента, метод должен быть прост.
2. Установить причинно-следственные отношения часто означает решить проблему.
3. Предвидеть будущее невозможно без анализа .
4. Говоря по правде, все ожидали совершенно других результатов.
5. Сделать выбор часто бывает самым трудным.
6. Чтобы не рисковать, проверьте аппаратуру перед экспериментом ещё раз.
Spring comes and nature awakens from its winter sleep. The days become longer and the nights become shorter.
The ground is covered with fresh green grass and the first spring flowers. How lovely the white snowdrops are! There are new leaves and blossoms on the trees.
The birds begin to sing and build their nests. The air is fresh and the sun shines brightly.
The days are warm and everything is full of life and joy. Everybody feels younger and stronger.
Many people like spring more than other seasons. It is very pleasant to watch how the nature awakens from the winter sleep.
In spring we can go to the country and have a walk in the woods or by the river, play ball-games, lie in the sun and even have a swim if the water is warm enough.
That is why I like spring more than any other season of the year.