Задания

1. Ответьте на вопросы:

1. Why is food essential to the nutrition? 2. What are the chief constituents of foods? 3. What is the main function of food? 4. Why should people eat?

2. Кратко расскажите по-английски:

а) как определяется пища с научной точки зрения;

б) о функциях главных составляющих пищи.

TEXT N 2 "CARBOHYDRATES"

PRE-TEXT EXERCISES

I. Укажите номера русских эквивалентов.

l. like 2 .by means of 3. whether 4. mostly 5. although 6. the same 7. comparatively 8. frequently 9. a number of 10. as

1. сравнительно 2. в то время как 3. множество 4. часто 5. ли 6. тот же самый 7. главным образом 8. подобно 9. посредством 10. хотя

2. Пользуясь моделью, переведите следующие предложения.

Перевод придаточных предложений (дополнительного, подлежащего и сказуемого), вводимых союзом «whether» / «if «-ли»: СКАЗУЕМОЕ +"ли" + ПОДЛЕЖАЩЕЕ … Whether these products will be subjected to special treatment depends upon the period of their storage. - Будут ли эти продукты подвергнуты специальной обработке, зависит от периода их хранения.

1. Whether this substance contains carbohydrates will be shown by chemical analysis. 2. If our laboratory will take part in this re­search has not been discussed yet. 3. Chemists of the past did not know for sure whether foods were composed of organic substances. 4. For a long time scientists tried to find out if enzymes were living organisms or not.

3. Выделите префиксы в данных прилагательных и укажите их значение.

inorganic, insufficient, ineffective, insoluble, inactive; impure, improper ,impossible; irregular, irrational, irrelative;illogical, il­literate, illegal; unnatural, uncommon, unusual

4.Прочитайте и переведите текст

ASSIGNMENTS

I. Укажите номера пропущенных предлогов; переведите данные предложения на русский язык.

1. Food is considered high or low ... carbohydrates according ... their amount to its total weight. 2. To meet the requirements of the body ... energy food must be high ... carbohydrates, proteins, vitamins and minerals. 3. ... means of these experiments we shall define the amount … starch in this substance. 4. Starch is a carbohydrate more complex ... nature than any of sugars. 5. A number ... food constituents have a part ... stimulating and regulating body processes. 6. The utilization of organic acids in the body for energy is similar ... that of starches and sugars. 7. Any kind of sugar is responsible ... a sweet taste of certain foods.

l. by 2. for 3. in 4. to 5. of

2.Переведите на русский язык данные словосочетания, учитывая много­значность слов «part» и «mean».

• part часть, доля; участие/доля/ в работе; роль

1. parts of a body, the part of grain, parts of the plant;

2. to take part in research, to have a part in producing sugar;

3. to play a significant part in the food industry; they took an active part in the investigation.

• mean I. значить, иметь значение 2.средний

means средство/а, способ

1. the term "sugar" to most people means cane or beet sugar; the word "vitamin" means "very important for life"; the word "enzyme" comes from the Greek word

meaning "in yeast";

2. mean consumption of sugar; mean daily need for energy; mean level;

3. means of production; means of living; means of analysis; an effective means;

by means of synthesis; by means of heating; by no means; by all means.

3. Укажите номера синонимичных пар.

1. complex 2. production 3. step 4. ability 5. surplus 6. to meet requirements 7. like 8. bulk 9. commonly 10. to be high in 11. to be low in 12. sufficient

1. excess 2. to be deficient in 3. to satisfy needs 4. usually 5. adequate 6. stage 7. to be rich in 8. complicated 9. mass 10. manufacture 11. similar 12. capability

4. Укажите номера антонимичных пар.

1. simple 2.ability 3.like 4.to be high in 5.total

1.to be low in 2.unlike 3.partial 4. complex 5.disability