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Natural Resources and Industrial Chemistry
- 5 страниц
- 2021 год
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Контрольная работа по теме "Природные ресурсы и промышленная химия" - Natural Resources and Industrial Chemistry. Все ответы к заданиям.
1. The history of man is largely the history of man's struggle for natural resources.
2. The rapid increase in the world's population with its enormous demand for food, energy, and manufactured products makes chemical industry a very important factor of our civilization.
3. At present a high standard of living makes great demand for mineral resources.
4. The natural sources of many materials are quickly exhausted, so new chemical products have to be developed.
5. Chemical industry is directed to the conversion of natural raw materials of the earth, sea and air into products, which are of vital importance for people’s life.
6. Chemical industry deals with every kind of raw material.
7. Combining and rearranging the molecules, chemists can create substances with definite characteristics.
8. Chemical industry ranges so widely that it is difficult to define its scope.
9. Chemistry concerns with all forms of matter from metals to paper.
10. It reaches almost every sphere of science and technology.
11. A simple chemical product, sulfuric acid for example, is absolutely essential for the production of concrete, steel, some metals, textiles, paper, and many medicines.
12. In its turn these above mentioned substances are essential for the construction of airplanes, railroads, automobiles, telephones, etc.
II. Найдите соответствия между словами в правой и левой колонках:
1. Struggle a.Население
2. Population b.Уровень
3. Demand c.Борьба
4. Standard d.Преобразование
5. Resource e.Вещество
6. Conversion f.Потребность, спрос
7. Substance g.Ресурс
8. Concrete h.Лекарство
9. Acid i.Кислота
10. Medicine j.Бетон
11. Scope k.Масштаб
12. Source l.Источник
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