Exercises

Ex.1. Make up the words. Составьте слова.

1. miots; 2. yhenieng; 3. cweh; 4. zenyme; 5. uscomu; 6. ciadci; 7. roal; 8. gdlna;

Ex.2. Put the words in the correct spaces. Вставьте слова в свободные места по смыслу:

Plaque, brush, saliva, decay, two times, healthy, dentist,

1. It is important to keep our teeth _____________.

2. To avoid tooth ______________, we should avoid eating anything sweet, if we cannot clean our teeth afterwards.

3. We should ___________ our teeth after each meal.

4. Visit the _____________at least once a year.

5. We should pay attention to eliminating food particles, dental _________ and ensuring daily gum care.

6. Teeth should be brushed a minimum ____________ a day.

7. The salivary glands release __________ containing enzymes.

Ex.3. Open brackets and put the verbs into the passive form. Откройте скобки и поставьте глаголы в форму страдательного залога.

1. Oral mucous (to unprotect) to mucous contamination with germs.

2. Food can (to chew) properly.

3. Attention should (to pay) to eliminating food particles.

4. The tongue receptors for taste (to call) taste buds.

5. Formation of plaque (to limit) by good oral hygiene.

6. Saliva (to release ) by the salivary glands during chewing.

7. Great increase of germs in number (to encourage) by sugar and sweets.

Ex.4. True or false? Подтвердите истинность утверждений: T- правда, F- ложь.

1. The cavity of a mouth is permanently moist. ______

2. Saliva contains a small number of germs per ml. ______

3. The mouth includes the lips, teeth, gums, tongue, salivary glands. ______

4. The tongue has receptors that help to position food. ______

5. Hold the toothbrush at an angle. _____

6. The main function of the teeth is to chew the food to make it tastier.______

7. Using a circular move­ment, brush from the teeth towards the gums. ______

Ex.5. Write down the rules of oral hygiene using the verbs below. Запишите правила гигиены ротовой полости начиная со слов “You should…” и используя ниже приведенные глаголы в нужной форме.

to brush, not to eat, to eliminate, to ensure, to visit, not to put

1. You should __________________________________________.

2. You should __________________________________________.

3. You should __________________________________________.

4. You should __________________________________________.

5. You should __________________________________________.

6. You should __________________________________________.

Ex.6. Answer the questions. Ответьте на вопросы.

1. Why is an oral mucous the most susceptible to germs?

2. What does the mouth include?

3. What parts of the mouth are preferred breading grounds for germs?

4. What limits the formation of plaque?

5. What is the main function of the teeth?

6. What are the tongue functions?

7. What do the salivary glands release during chewing?

Final test “Personal Hygiene”

Make the right choose. Сделайте правильный выбор.

1. Good personal hygiene … the risk of infection from pathogenic micro-organisms.

a) encreases; b) reduces;

2. Parasites live in or on a host to obtain nourishment … any benefit to the host. a) without providing ; b) with providing;

3. The human body is a host to a huge number of germs that make up “… flora".

a) pathogenic flora; b) “commensal flora"; c) nutral flora;

4. Mucous cover the cavities of an organism which are permanently….

a) moist; b) dry; c) dirty;

5. You should change your underclothes ....

a) every day; b) every week; c) in two days;

6. Skin thickness is … .

a) thicker on our eyelids and lips; b) thicker on the palms of our hands and the soles of our feet;

7. Sebaceous glands secrete ... to keep the skin supple.

a) perspiration; b) salivary ; c)oil;

8. … are the main targets of contamination by germs.

a) our hands; b) our feet; c) our eyes;

9. Always wash your hands before … .

a) using the toilet; b) contact with an animal; c) cooking or eating;

10. Rub your hands vigorously for at least… .

a) 30 seconds; b) 20 seconds; c) 15 seconds;

11. Dust, sweat and other secretions, and warmth are factors which … germs to multiply.

a) encourage; b) discourage;

12. Germs on the human skin are... .

a) some hamful but some useful ; b) all useful; c) all hamful;

13. You can be contaminated by pathogenic germs ... .

a) through your own hands;

b) either through your own hands or throuth the air;

c) throuth the air;

14. To avoid catching an infectin you should wash and dry .. .

a) your hands; b) your body; c) your hands and your body;

15. You should brush your teeth ... after every meal.

a) for three minutes; b) for one minute ; c) for a half minute;

16. The tongue has muscles that help … food.

a) to taste; b) to chew; c) to position;

17. Saliva contains enzymes that help … food.

chewing; b) digesting; c) wetting;

18. People should visit … at least once a year.

a) psychiatrist; b) a physician; c) a dentist;

19. Oral and nasal cavities are particularly … to mucous contamination.

a) unprotected; b) protected;

20. Brush top and bottom teeth … .

a) together; b) separatly;

21. Hold the toothbrush … .

a) at an angle; b) at right angle;

22. There is … environment inside the mouth due to the decomposition of food.

a) acidic ; b) alkaline; c) nutral;

Критерии оценки

Text 1. What is Personal Hygiene?

№ задания	Количество баллов	Комментарии
1	10	По 1.4 балла за каждый правильный ответ
2	14	По 2 балла за каждый правильный ответ
3	25	По 2.5 балла за каждый правильный ответ
4	21	По 3 балла за каждый правильный ответ
5	30	По 3 балла за каждый правильный ответ
Итого:	100

5 (отлично): 90-100 баллов; 4 (хорошо): 70-89 баллов; 3 (удовл.): 50-69 баллов;

Text 2. Skin Hygiene

№ задания	Количество баллов	Комментарии
1	18	По 1.5 балла за каждый правильный ответ
2	8	По 2 балла за каждый правильный ответ
3	18	По 2.5 балла за каждый правильный ответ
4	6	По 1 балла за каждый правильный ответ
5	8	По 2 балла за каждый правильный ответ
6	21	По 3 балла за каждый правильный ответ
7	21	По 3 балла за каждый правильный ответ
Итого:	100

5 (отлично): 90-100 баллов ; 4 (хорошо): 70-89 баллов; 3 (удовл.): 50-69 баллов;

Text 3. Oral Hygiene – Brush your Teeth!

№ задания	Количество баллов	Комментарии
1	12	По 1.5 балла за каждый правильный ответ
2	14	По 2 балла за каждый правильный ответ
3	21	По 3 балла за каждый правильный ответ
4	14	По 2 балла за каждый правильный ответ
5	18	По 3 балла за каждый правильный ответ
6	21	По 3 балла за каждый правильный ответ
Итого:	100

5 (отлично): 90-100 баллов; 4 (хорошо): 70-89 баллов; 3 (удовл.): 50-69 баллов;

Final test “Personal Hygiene”

• 5 (отлично): 21 – 22 баллов (95 - 100 %)

• 4 (хорошо): 16-20 баллов (73 – 91%)

• 3 (удовл.): 11 – 15 баллов (50 - 68%);