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А. В зависимости от смысла и структуры предложения переведите оборот "именительный падеж с инфинитивом" одним из возможных способов:

1. Heat was for a long time thought to be an invisible
all-pervading fluid.

2. In ancient times, light was thought by some philosophers
to be a property of the eye.

3. Air was considered by the ancients to be an element.

4. A number of salts have been prepared in the laboratory
which have not been found to occur naturally.

5. According to the "two fluid" hypothesis, there were
supposed to be two kinds of weightless and transferable
fluids.

6. The bombardment of beryllium by alpha-particles from
polonium gives rise to a very energetic type of radiation.
This radiation was first thought to consist of gamma-rays,
but the energy relationships were found to disagree with this
assumption.

7. Lansmair's attempt to account for spectral series without
the assumption of moving electrons cannot be said to possess
any real value.

8. They observed the scintillations of what appeared to
be a particles of about 8,4 cm range.

9. This state of motion gives a representation of what is
supposed to be the condition of matter in its gaseous state.

Б. Переведите следующие предложения, обращая внимание на место отрицания в английском и русском языках:

10. Hydrogen does not appear to combine with chlorine
with appreciable velocity in the dark.

11. This method does not seem to offer any advantages
over that discussed above.

12. There does not seem to be any obvious correlation
between the amount of various impurities and the absolute
resistivities.

В. Переведите следующие предложения, обращая внимание на место модального глагола в английском и русском языках:

13. Many materials which may appear to be amorphous
are really crystalline in structure.


14. Hydrogen has been left out of the table although its
valence might seem to place it in group 1.

15. In short, neither equation 2 nor equation 3 can yet
be said to have more than empirical foundation.

Г. Переведите следующие предложения, обращая внимание на группу существительного с предлогом, стоящую между глаголом в страдательном залоге и инфинитивом:

16. The following laws were found by Snell and Descartes
to hold good for all cases of simple refraction.

17. This element might be expected from experience to
expand at heating.

18. In the course of time suggestions were made for
modifying the theory, which has been known for many years
to be inadequate, so as to bring it into better agreement
with the observed facts.

Д. Переведите следующие предложения, обращая внимание на сказуемые, из которых одно — простое, а другое — сложное:

19. This substance has been isolated in a free form and
has been stated to fluoresce in the dark.

20. The basic theory of the effect is discussed and found
to be substantially in agreement with the experimental results.

21. Subsequently these two kinds of hydrogen were
separated experimentally, and a pure concentration of one
of them alone was made and found to have the predicted
properties.

E. Переведите следующие предложения, включающие обороты there is, there are (there seems to be):

22. There seems to be no practical limit to intensity.

23. There are believed to exist thousands of compounds
of nitrogen.

24. According to the "two fluid" hypothesis there were
supposed to be two kinds of weightless and transferable
fluids.

Ж. Переведите следующие предложения:

25. This law does not seem to hold for all gases.
62


26. Table 8 shows some reactions which are at present
known to be of service.

27. Air was considered by the ancients to be an element.

28. Substances which are known to have low kindling
point must be kept with utmost care.

29. Particle A moves in a circle with constant speed, and
is said to be in uniform motion.

30. A precipitate which happens to be extremely slightly
soluble may fail to be dissolved completely.

31. Their efforts have not been reported to give any
definite results.

32. There does not appear to be an agreement between
these results.

33. They can hardly be said to have discovered this
phenomenon.

34. Our sun is a member of a group of dwarf red stars
in which iron is revealed by the spectroscope to be very
plentiful.

35. Above — 100° the oxide (F2O2) decomposed slowly
to give what was at first thought to be a new oxide FO.

36. The atomic weight of radium was found by madame
Curie in 1903, by the analysis of radium chloride to be
approximately 225.

37. The presence of helium in uranium and thorium ores
had already been noticed and was seen to be significant.





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