2. В условиях экономического кризиса уровень безработицы имеет тенденцию к росту.

3. Мы знаем, что руда – это порода, земля и т. п., из которых можно получать металл.

4. Некоторые экономисты предполагают, что в следующем столетии не только различные виды топлива и руд, но и водные ресурсы и плодородные почвы будут полностью использованы, что приведет к локальным, а также глобальным войнам за ресурсы.

5. Повысившаяся рентабельность производства нефти привела к увеличению вложений в новые нефтяные месторождения (oil fields), особенно в Северном море, что ослабило контроль ОПЕК над мировыми запасами.

6. Мы знаем, что компания British Gas добывает газ очень рентабельно в мелкой части Северного моря.

21. а) Перепишите подчеркнутые предложения, используя конструкцию «сложное дополнение», для чего воспользуйтесь словами, данными в скобках после этих предложений.

The degree of modern farming dependence upon commercial energy sources is very high (US economists, to believe). Heavy equipment requires gasoline and oil; fertilizers and insecticides are made by energy-intensive processes. This tendency was efficient as long as farm wages were rising faster than oil prices. But the sharp rise in energy prices has made the two essential sources of raising farm profitability unavailable.

The present-day condition in the energy market is moving farm technology away from energy-intensive methods (the present-day condition in the energy market, to make).

б) Напишите пять вопросов к тексту упр. 21а.

Аудиторная работа № 3

22. а) Вставьте пропущенные предлоги, где это необходимо.

1. Goods in the market vary… price… the cheapest… the most expensive.

2. The price of a good varies… its quality.

3. The price of a good varies… as its supply changes.

4. The price of land varies… its supply.

5. Land varies… its quality.

6. These goods vary greatly… price.

7. Ore may vary greatly… iron content (содержание)… the richest… the poorest.

b) Вставьте в предложения словаto vary(с нужным предлогом),variousилиvariety.

1. In the long run (долгосрочный период) all factors of production can be…

2. Economists know labour to have a… of functions.

3. Trade union organizations… greatly… country… country. The benefits general protection… advantages for some particular jobs.

4. The degree of economic activity of trade unions….. the country.

5. The average US supermarket has several thousand… goods on its shelves. To produce this great… of goods… machines and other inputs are needed.

6. Countries… greatly… the importance of primary commodities, that is products of farming and mining, for their economies.

23. Вставьте в предложения словаthough, although, so, as, which, that, in order to.

а) 1. European butter prices are above the free market equilibrium price…. European governments have to purchase large supplies of butter… private demanders do not want to purchase.

2. Second and third TV sets are often purchased… enable each family member to watch different shows at the same time.

3. World supplies of some minerals are non-renewable… real prices will eventually have to rise… ration (ограничивать) increasingly scarce supplies.

4. In many developing countries, the factor with… they are better supplied is land… they can take advantage of the world economy by exporting goods… require intensive land use.

б) In the USA there is a serious problem… water supplies are usually not owned by specific users…. results in their competitive over-use (чрезмерное использование) by farms, factories, and towns… one user can sink a well (пробурить колодец) and drain all the water supplies… they may be needed for many miles around. On a larger scale (в большем масштабе), greatly lowered levels of underground water in western states are due to huge irrigation projects…. the local authorities are much worried and are taking due measures, the problem has grown very serious in the Great Plains, in south-central Arizona, and in some parts of California