Грамматика

1. The patient __________ to go for a walk because his condition had improved.

• Must

• Was allowed

• May

• Can

2. The body is continuously ______ to damage by viruses, bacteria, toxins and chemicals, and foreign proteins of plant origin.

• Expose

• Exposing

• Exposed

• To expose

3. Traces of this drug have ______ in the blood sample.

• Found

• Find

• Been founded

• Been found

4. The complex of digestive processes gradually _______ the food materials.

• Simplifies

• Simplifying

• Simplify

• To simplify

5. The features of the disease _______ among individuals.

• Varies

• Vary

• Varying

• To vary

6. Several metabolic problems _____ the growth and development of the skeletal system.

• To influence

• Influences

• Influencing

• Influence

7. Over 3.000 monogenic diseases have ______.

• Identified

• Identifies

• To identify

• Been identified

8. The biological properties of a protein _______ on the exact sequence of different amino-acids in the chain.

• Depend

• Depending

• Depends

• To depend

9. Inside any cell a multitude of chemical reactions is _______.

• Took place

• Takes place

• Taking place

• Take place

10. Leucocytes _____ their protective functions in different ….

• To carry out

• Carry out

• Carries out

• Carrying out

11. A band of fibers between the atria and ventricles _____ ….. (см. Контекст! в Active Voice – does not, в Passive Voice - is not)

• Do not

• Is not

• Was not

• Does not

12. The biological properties of a protein______ on the exact …

• Depend

• Depends

• To depend

• Depending

13. For centuries, drugs ____ from animal and plant extracts.

• Have been made

• Has made

• Has been made

• Have made

14. The inner part of the heart is _____ into four chambers.

• Divide

• Dividing

• To divide

• Divided

15. Food must be ____ down and then absorbed through the walls of the digestive tube.

• Broke

• Breaking

• Break

• Broken

16. The bones are seriously _______ if there is a vitamin D deficiency.

• Affected

• Affecting

• Affect

• Affects

17. The diaphragm, abdomen, heart, lungs, and liver are ____ a thorough massage during laughing.

• Given

• To give

• Give

• Gave

18. Total deprivation of the supply of oxygen to the body _____ death within minutes.

• To cause

• Causes

• Causing

• Cause

19. During trunk movements and during breathing, the kidneys ____ up and down.

• Moved

• Move

• Moves

• Moving

20. The pulmonary alveoli _____ networks of extremely small vessels.

• Contains

• Containing

• Contain

• To contain

21. The outer layer of the skin is constantly _______.

• Dry up

• To dry up

• Drying up

• Dries up

22. The most important development in biology ______ the discovery of the structure of DNA.

• Have

• Being

• Has been

• Have been

23. Healthy bones cannot _______ without calcium salts.

• Building

• Be built

• Built

• To build

24. Disturbances in the function of the pancreas ________ digestive disorders.

• Produced

• Produce

• Producing

• Produces

25. The number of molecules ______ during many reactions….

• Changes

• Change

• Changed

• Changing

26. The muscles of the abdomen _______ the abdominal cavity and form its walls.

• Surround

• Is surrounding

• Is surrounded

• Surrounds

27. The development of bacteriology has _____ to important ….

• Lead

• Led

• Leading

• Leads

28. Our senses _____ accurate information about position of our body parts.

• Providing

• Provides

• To provide

• Provide

29. Cartilage _______ contain very many mineral salts.

• Do not

• Does not

• Not

• Is not

30. The trachea divides into right and left bronchi which _____ to the lungs.

• Go

• Going

• Went

• Gone

31. Secretions from the endocrine glands _______ a very active influence on metabolism.

• Exercise

• Exercising

• Exercises

• To exercise

32. Biologists _______ more than a million living species.

• Have described

• Describes

• Describing

• Have been described

33. The kidneys _______ be regarded as filters through which the whole blood passes.

• Will be able

• Must

• Have

• Are

34. Many studies have _____ recently about hand preference in humans.

• Been made

• Been making

• Make

• Made

35. At birth ‘milk teeth’ are already ______ within the gums.

• To form

• Form

• Forms

• Forming

36. Progress is being _____ on many of these problems.

• Makes

• Made

• Make

• Making

37. Body systems _______ function independently.

• Have not

• Are not

• Does not

• Do not

38) The bronchi … into increasingly small tubes.

• branches

• to branch

• branch

• branching

39) Genetics … thousands of mutations responsible for diseases in humans.

• Had discovered

• Has discovered

• Have discovered

• Is discovered

40) The exchange of gases … according to the size and activity of the organism.

• Vary

• varies

• varied

• varying

41) The vertebral column … made up of bone alone.

• does not

• not

• is not

• do not