КОНТРОЛЬНАЯ РАБОТА № 1
Вариант 1
1. Найдите в правой колонке русские эквиваленты английских слов и словосочетаний:
1.quantity а. жесткий (жесткость)
2.alloy b. углерод
3.carbon с. растяжение
4.substance d. поломка
5.tough(ness) e. количество
6.hard(ness) f. ковкость
7.ductility g. разрыв
8.malleability h. прочность
9.tension i. вязкость
10.compression j. сплав
11.rupture k. твердый (твердость)
12.strength 1. сжатие
13.braking m. вещество
2.Переведите на русский язык встречающиеся в тексте интернациональные слова:
metal, industry, industrial, absolutely, laboratory, steel, elastic, mechanical, result, atom, atomic, structure, special, temperature.
3.Прочтите текст и выполните следующие за ним упражнения:
METALS
1. Mankind has used metals for centuries in gradually increasing quantities but only now they are employed in really great quantities.
2. Today we know more than seventy metals, the majority of which are used in industry.
3.Of all the metals iron is the most important one. Absolutely pure iron is never prepared except for laboratory purposes. The irons and steels in use today are really alloys of iron, carbon and other substances. They can be made elastic, tough, hard, or comparatively soft.
Mechanical properties of metals are the result of their atomic structure. They include hardness,