Задания

1. Ответьте на вопросы:

1. What minerals are most important? 2. In what form must minerals be presented? 3. What are main characteristics of the given minerals?

2. Назовите глаголы, соответствующие данным существительным.

assimilation, occurence, constituent, content, refinery, removal, ruination

3. Найдите в тексте синонимы выделенных слов.

we have small signs(amounts)of copper; iron cannot be digested; calcium and phosphorus must be available; if our diet is deficient in iron; you cannot build up the lack consuming iron ore; the body is not only very accurate in the characteristics; these materials are only the small components of plants; they take place most often in what we usually do not like to eat; by stripping cereals of all their outside coverings; a good beginning on the road to the destruction of human health; fine grinding takes away 75% of the minerals

4. Переведите на английский язык данные словосочетания.

существовать в форме, усваиваемой организмом; вещества, составляющие растения и животных; минеральные вещества, которые должны находиться в организме; разрушать здоровье из-за недостатка питательной пищи; терять минеральные вещества в злаковых, подвергающихся мелкому помолу

«Essential minerals»

1. Прочитайте текст и перечислите функции представленных минеральных веществ.

2. Выразите свою оценку значения минеральных веществ для жизнедеятельности организма.

Our body needs certain elements known as minerals, or ash¹ constituents. They are calcium, chlorine, copper, iodine, iron, magnesium, sodium, sulphur, zine, and possibly aluminium, cobalt, fluorine, nickel, molybdenum and silicon. Due to the very small amount required of each, the six last named minerals along with copper and zine are usually referred to as trace elements².

Calcium is required for all tissues but especially for bones and teeth. It is essential in the coagulation of blood, the beating of the heart, the irritability of nerves, cell activity, and the maintenance of the neutrality of the body. Foods that are important sources of calcium are: bread, carrots, cheese, egg yolk, ice-cream, milk, oranges, turnips, green and leafy vegetables.

Phosphorus, too, is necessary in all tissues and essential in the oxidation of carbohydrates. It helps in the regulation of the neutrality of the blood, in the conductivity of nerve impulses and in the controlling of cell activity. Important sources of this food constituent are: cheese egg yolk, fish, ice-cream, leafy vegetables, meat, liver, legumes, milk, whole grains.

Iron is necessary to form hemoglobin, a substance in the blood, which carries oxygen to the cells and plays an essential role in the body functions and the activity of cells. Valuable food sources of iron are: wheat, bread, and cereals, whole grain, egg yolk, fish, liver, potatoes. Copper is widely distributed in foods and most of those that are good sources of iron are also good sources of copper. Iodine aids in the regulation of general health and of the nervous system. When iodine is lacking in the diet, the thyroid gland is unable to produce thyroxin, a hormone which is necessary for all the oxidative reactions of the body. Sources of iodine are cod liver oil, salt water fish, sea foods, vegetables, cereals, dairy products, and fruit produced on soils of good iodine content and water supply.

1. зола

2. микроэлементы