000367

79 19. Define the difference in the meanings if there is: 1) Gastric juice flows into the duodenum. Gastric juice flowing into the duodenum … 2) Saliva dissolves some of the solid substances. Saliva dissolving some of the solid substances … 3) The teeth break the food during the process of mastication and… The teeth breaking the food during the process of mastication are called… 4) After entrance into the mouth, food… Entering the mouth, food … 20. Answer the following questions: 1. What organs of the oral cavity take part in digesting the food? 2. What is the function of the teeth? 3. What are the characteristics of saliva? 4. What is bolus? 5. Does the tongue take part in oral digestion? 6. When and where does oral digestion start? 7. What processes occur in the mouth when food gets there? Grammar 2 Pronouns many/much, few/a few, little/a little, а lot of 21. a) Make up your own sentences with much, little, a little, many, few, a few, a lot of. (Pay attention: many/much/a few/a little/a lot of ��������� имеют по- ложительное значение, few/little имеют отрицательное значение). Model 1 : I have little / a lot of spare time in the morning. coffee, tea, sugar Model 2: There is a little coffee in the cup. tea, snow, water Model 3: There are few/many chairs in the room. desks, pictures, boys, cars Model 4: I have a few English books. dictionaries, red pencils, notebooks, foreign magazines b) Insert little/a little, few/a few, many/much/a lot of. 1. Give me … sheets of paper. 2. I do not see … clouds in the sky. 3. Will it take her … time to do it? 4. There are … beautiful streets in our town. 5. I usually make … mistakes in the English tests. 6. I have … trouble with Histology. 7. I usually drink … water. 8. Only … specialists know how to do it. 9. My brother has … English dictionaries. 10. Do you have … friends?