1. Укажите номера предложений, в которых выделенные слова являются глаголом.

1. They value his work in the field of food preservation. 2. Thiscanof meat was analysed in our laboratory. 3. The reduction of enzyme activitycausesslower fruit ripening. 4. Heating is of greataidfor food preservation. 5. Removal of moisture is ofbenefitin preserving food. 6. Wedecrease markedly vitamin content in food by long storage. 7. Long storage of food products may be thecauseof their spoilage. 8. Foodvalueof this kind of foods is very high. 9. Freeze dryingmeansfreezing under very low pressure. 10. Nowadays, different methodsaidin food processing. 11. We usuallycanperishable food in glass or tin containers. 12. Thedecreaseof vitamin content may be caused by long heating at high temperature. 13. Refrigeration is widely used as ameansof maintaining low temperatures of food. 14. Sealing containers of preserved food greatlybenefitsits quality.

2. Найдите в тексте синонимы выделенных слов.

1. Any condition opposed to the development of spoilage agents helpsin food preservation. 2. Today highly efficient machinery makes possible the production ofgreat amountof canned foods. 3. Low temperaturesdecreasethe enzyme action whichgives rise to ripening of fruits. 4. Sometimes, it is necessary tomake longerthe period of heating. 5. The material thusprocessedmust bedefendedfrom fresh contamination. 6. Freezing doesn’truinthe microorganisms completely. 7. Certain chemicals areusefulin preserving foods as theyslow downthe growth of microorganisms orkillthem. 8. Drying greatlychangesthe characteristics andshapeof the food. 9. Humidity contentvariesfrom 1 to 4 per cent. 10. By freeze drying the productkeepsitsform.

3. Укажите номера антонимичных пар.

1. destroy 2. prolong 3. retard 4. perishable 5. decrease/reduce 6. ripe 7. removal 8. frequently 9. prevent 10. delay

1. increase 2. seldom 3. underripe 4. accelerate 5. shelf stable 6. shorten 7. promote 8. create 9. addition 10. hasten

4. Назовите все возможные сочетания с выделенными словами.

FOOD PRODUCT	original, complete, fresh, preventive, sterilized, frozen, relative, perishable, reconstituted, significant, immense, cooked, canned
WAYS OF PRESERVATION	removal, freezing, reconstitution, drying, immersion, storage, heating, wrapping, salting, refrigeration, contamination, pasteurization, protection, irradiation, prevention, removal, pickling, smoking
ALTERATION (of food)	character, shape/form, removal, medium, weight, taste/flavour, delay, colour, stockpiling, structure, consistency, food value
DETERIORATION	weight, food value, quantity, quality, fluid, preservation, cooking, flavour/taste, vitamin content, spoilage, odour, density, temperature, colouring

5. Укажите номера пропущенных слов в следующих предложениях.

1. The development of … in food causes its spoilage. 2. Retarding the growth of microorganisms or their entire destruction aids to … foods. 3. Heating results in a … or … product. 4. After pasteurization and sterilization food must be protected from fresh … . 5. Before the discovery of the method of canning it was impossible to keep … foods for a long time. 6. Refrigeration is widely used as a means of … the low temperatures in the storage of perishable foods. 7. Studies indicate that during storage foods may undergo changes in … texture and food … . 8. Food drying means the … of moisture to such a point that no spoilage takes place. 9. Drying may … enzyme action and thus prevent rapid … of foods. 10. The sublimated product … its shape though its total … is reduced. 11. By … in water the reconstitution of the sublimated product can be easily achieved. 12. Reconstituted products … the original fresh products in flavour and colour.

1. immersion 2. resemble 3. spoilage agents 4. removal 5. preserve 6. retard, deterioration 7. perishable 8. flavoury, value 9. hastens 10. contamination 11. retains, weight 12. pasteurized, sterilized