Grammar Revision

Exercise 15. Make the following sentences negative:

1. Cold storage foods lose little of their nutritive qualities.

2. The process of pasterization is a splendid safeguard against milk-borne infection.

3. Canned food may be stored for long periods atthe room temperature.

4. Food poisoning is mostcommon during the summer months.

5. Milk lacks iron and other minerals essential to the diet.

6. Food preservation has now become an exact science.

Exercise 16. Change the sentences using the Passive voice:

1. A high concentration of salt or sugar will check the growth of many bacteria.

2. Milk may transmit infection from animals to man.

3. Special enzymes convert proteins into simple amino acids so that the body can use them.

4. many aminoacids linked together make proteins.

5. A lot of people use herbs as food.

6. Plants form the base of the natural food chain.

Exercise 17. Open the brackets using correct form of the verb. Translate the sentences:

1. The diet (to be) the daily ration of foods required by the individual.

2. A well-balanced diet (should, to contain) the foodstuffs roughly in the following proportions: 1 part protein, 1 part fat to 4 parts of carbohydrates.

3. The amount of carbohydrate required (to depend) on the energy output.

4. A man doing heavy work (to require) more carbohydrates than a sedentary worker.

5. It (to be) also essential that the food (should, to contain) cellulose. It is indigestable and therefore (to remain) in the bowelsand (to stimulate) it to empty.

6. The value of foods (to calculate) by the amount of heat which they (to give) on combustion.

7. The heat (to measure) in calories.

8. The caloric value of a normal diet (should, to be) 3,000 to 3,300 calories per day.

9. The caloric value required by the individual (to affect) by age, exercise, sex, weight and build, climate and weather, temperament.

Execise 18. Put questions to the following words.

1. There are six essential foodstuffs.

2. Fuel is required to produce the energy for the body activity.

3. The vitamins and certain salts act as regulators of tissue activity.

4. The infabts and children require extra building material for the process of growth.

5. We should eat less fat.

Exercise 19. Fill in prepositions where necessary

1. Glucose occurs... many fruits and is present... the blood... animals.

2. Hydrogen, oxygen and nitrogen are... the most common.

3. Some vegetable foods are very rich... proteins.

4. The condensation... amino acds leads... building... proteins.

5. proteins are separated... groups based chiefly... physical properties.

6. The granules of starch can be recognized... a microscope,... the iodine test.

7. Fructose is produced directly... photosynthesis.

Матеріал для підготовки до диференційного заліку необхідні продукти харчування відновити тканини тіла складні сполуки перетравлення (їжі) травний сік   1. What are the main functions of the food substances? 2. What substances are used as body builders? 3. What substances are used as fuel foods? 4. What substances are used as regulators of body activity? 5. What are three main rules for healthy eating?   Explain the terms: Carbohydrate Fat Protein  

TEST

1. There are... essential foodstuffs with which the body must be constantly supplied.

A. 2

B.3

C. 4

D. 5

E. 6

2. Body builders are....

A. vitamins

B. salts, water

C. proteins, water, salts

D. carbohydrates, fats, proteins

E. water, oxygen

3. Fuel food contains....

A. vitamins

B. salts, water

C. proteins, water, salts

D. carbohydrates, fats, proteins

E. water, oxygen

4. Regulators are....

A. vitamins and salts

B. salts, water

C. proteins, water, salts

D. carbohydrates, fats, proteins

E. water, oxygen

5. Fuel is required....

A. for growing up

B. to regulate body activity

C. to produce the energy

D. to build up cells

E. to give water

6. Protein is a....

A. simple compound

B. inorganic salt

C. inorganic compound

D.complicated compound

E. saturated fat

7. Food should be broken... by the digestive juices.

A. through

B. into

C. down

D. up

E. out

8. Fuel is required to maintain the heat..., which the individual exists.

A. by

B. at

C. with

D. through

E. in

9. The vitamins and certain salts... as regulators of tissue activity.

A. acts

B. acted

C. is acting

D. act

E. are acting

10. All food... of nutrients.

A. are made up

B.is made up

C. is being made up

D. have been made up

E. has made up

Дата добавления: 2015-10-29