Упражнение 45

А. Проанализируйте структуру сложно-подчинённых предложений с придаточными дополнительными. Опираясь на схему, приведённую ниже, найдите ядро в главном и придаточном предложениях.

Сложно-подчинённое предложение

	главное предложение N V	дополнение
	(СОЮЗ+)
		придаточное предложение n v

Б. Переведите предложения.

1. Many experts agree that sleeping pills do not help and may add dependence and addiction to the problems of insomnia.

2. Doctors say that women are far more likely than man to experience sleep dis­ turbances of all kinds.

3. Experts can't decide if caffeine is truly addictive or not.

4. Many studies indicate that excessive cholesterol levels in the blood can clog arteries and predispose to heart attacks and strokes.

5. Bright [brait] (1789— 1858), a distinguished English physician, demonstrated that the presence of albumin in the urine indicated kidney disease.

6. In 1885, Pasteur [pa:s'te:] announced to the French Academy of Sciences that he had developed a vaccine for prevention of rabies.

7. The consistency of food in the mouth determines whether the glands secrete a copious watery saliva for dry material or a scanty saliva for moist food.

8. Evidence shows that the activities of the various tissues of the body are controlled not merely by the action of the nervous system but also by certain chemical substances elaborated by endocrine glands.

9. Medical research has shown that a diet low in saturated fats and high in fibre contributes to good health and can reduce the risk of certain serious illnesses, such as cardiovascular disease.

10. The pumping action of the heart refers to how hard the heart pumps the blood, how much blood it pumps, how efficiently it does the job.

11. Allergic symptoms depend entirely on where in the body the immune system is provoked.

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12. Since the discovery of the structure of DNA (1953) work on nucleic acids has explained how genes determine all life processes by directing the synthesis of all cell proteins.

13. Oncologists recognize that environmental, hereditary, and biological factors play an important role in the development of cancer.

14. Darwin's theory describes how different species of animals and plants have changed over hundreds of thousands of years.

15. The pumping action of the heart refers to how hard the heart pumps the blood, how much blood it pumps, how efficiently it does the job.

9.4 Придаточные определительные предложения