Choose the right variant (a, b, c or d)
1. The seminar course in theoretical physics ... in Kharkiv is scheduled for May – June.
a) having been held c) to be held
b) would be held d) to have been held
2. Recently a considerable number of works ... on various problems of elementary particles physics.
a) have appeared c) had appeared
b) appear d) are to appear
3. If I had not been so busy with my thesis last year, I ... a trip to Britain.
a) might have taken c) might take
b) took d) may be taking
4. Some of our older conceptions ... presently, since they have come into conflict with new experimental findings.
a) are revising c) revised
b) have revised d) are being revised
5. He suggested ... a program committee for this symposium.
a) to set up c) setting up
b) having set up d) to be set up
6. It is important that the introduction of these innovations ... the progress of science.
a) should promote c) should be promoted
b) be promoting d) be promoted
7. When ... to X-rays, this substance emits light.
a) exposing c) exposed
b) to have been exposed d) to be exposed
8. We had a hope that these investigations ... the gap in our understanding of the mechanism.
a) will fill c) had been filled
b) were filled d) would fill
9. The gravitational forces do not let the planets ... the solar system.
a) leave c) to be left
b) leaving d) to leave
10. According to the last-year program, the first stage of the experiment ... to take months.
a) has c) did
b) was d) would
11. ... an atom has a nucleus in its centre, which is positively charged, was discussed by Ernest Rutherford in 1911.
a) Knowing that c) The fact that
b) When he discovered d) Provided
12. It is interesting to know ... .
a) do they share our opinion c) whether they share our opinion
b) whether do they share our opinion d) they share our opinion
13. Ultraviolet light, ... , would kill most living organisms.
a) should it reach the Earth unshielded c) to reach the Earth unshielded
b) can reach the Earth unshielded d) for the Earth to reach unshielded
14. ... , the more reliable are the results.
a) In a better experimental technique c) The better the experimental technique
b) For the experimental technique to be better d) It is a better experimental technique
15. I am going to complete one series of experiments by next year ... .
a) the more effort it takes c) why should it take so much effort
b) no matter how much effort it will take d) that it didn’t take much effort
16. ... at least a part of the ancient heritage was still in circulation up to the Renaissance.
a) The scientists of the Middle Ages are known
b) However, the scientists of the Middle Ages
c) It was in the Middle Ages that scientists
d) Thanks to the scientists of the Middle Ages
17. The interaction model ... does not readily apply to more recent data.
a) have been discussed here c) which has been discussed here
b) have to be discussed here d) it is being discussed at the moment
18. ... that I have to skip over the introductory review.
a) Having so little time left for my paper c) I have so little time left for my paper
b) The less time I have for my paper d) For me to have so little time left for my paper
19. The zero ... was known in Europe by the year 1000 A. D.
a) together with the rest of our ‘Arabic’ numbers
b) and the rest of our ‘Arabic’ numbers
c) had been among the rest of our ‘Arabic’ numbers
d) is among the rest of our ‘Arabic’ numbers
20. ... man's influence is changing the biosphere and it is passing into a new state.
a) In spite of
b) It is mainly due to
c) Progress made both in science and technology accounts for
d) With the present-day scientific and technological progress
Vocabulary