1. The risk of developing this disease is higher in children and old persons.
2. Taking this drug regularly you will soon recover.
3. I know the doctor treating my friend.
4. The nurse left the ward having taken the patients’ temperature.
5. The student writing the test now has missed many lessons.
6. Depending on the results we’ll either continue or discontinue our investigations.
7. Darwin used all the knowledge existing at that time to make his theory of evolution.
8. Heat loss is caused by vasoconstriction of blood vessels supplying the skin.
9. Breathing fresh and pure air is very important because it produces favorable effect on the central nervous system.
10. The scientist left the laboratory having finished his work there.
11. People living or working in poorly ventilated rooms are often attacked by different infectious diseases.
12. Persons suffering from infectious diseases must be isolated.
13. Spreading through drinking water the virus affected many persons in locality.
14. While operating the patient the surgeon was surprised by some unusual signs.
15. A biologist’s laboratory is a very interesting place to visit.
16. In breathing we inhale oxygen which is necessary for the proper functioning of various organs of the human body.
17. While operating the patient the surgeon was surprised by some unusual signs.
18. Air is necessary for the sense of sight, smell and hearing.
19. Blood flowing from the lungs is rich in oxygen.
20. This drug gives a new hope to patients suffering from the so-called incurable diseases.
21. While studying at the higher medical school it is necessary to work hard.
22. The doctor examining a patient is a good specialist.
23. Having done all the necessary examinations the doctor diagnosed an ulcer.
24. The conference starting next week in Helsinki will be devoted to environmental protection
25. When examining the patient the doctor used new equipment.
26. The hospital which is being built in our street will be equipped with the latest equipment.
27. All the necessary examinations being done the doctor diagnosed an ulcer.
28. The doctor is examining a new patient now.
29. Persons isolated were suffering from an acute infectious disease.
30. It is a very interesting to visit a biologist’s laboratory