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1. Joseph Rotblat … part in the development of the first nuclear bomb during World War II.
a) take
b) took
c) has taken
d) will take
2. The computer … the fastest growing technology since the beginning of human history.
a) has been
b) have been
c) had been
d) will be
3. New techniques in agriculture … food in future.
a) will provide
b) provide
c) was providing
d) have provided
4. Scientists usually … technical problems better than ordinary people.
a) understands
b) are understanding
c) understand
d) understood
5. When we entered the conference hall, they …. the necessity of research.
a) are discussing
b) discuss
c) has discussed
d) were discussing
6. Many designers of radar … the atom before the war.
a) was exploring
b) explored
c) has explored
d) explores
7. Scientists sometimes … many problems in research.
a) face
b) faced
c) will face
d) had faced
8. I … in the laboratory yesterday.
a) will work
b) was working
c) worked
d) has worked
9. Modern distance education … around at least since the 1840s.
a) was
b) were
c) will be
d) has been
10. Nowadays science and technology gradually … an integral part of society.
a) are becoming
b) became
c) will become
d) had become
11. When a scientist conducts a research, he … the unknown.
a) had explored
b) explores
c) explored
d) will explore
12. Technology usually … people to complete more tasks in less time.
a) allowing
b) have allowed
c) allows
d) will allow
13. Our research … years of work in future.
a) takes
b) is taking
c) has taken
d) will take
14. The inventions of the transistor in the 1940s and the microprocessor in the early 1970s … the way for the personal computer.
a) opened
b) had opened
c) will open
d) opens
15. I … the information in the Internet at 2 o’clock yesterday.
a) has looked for
b) was looking for
c) looked for
d) will look for
16. At present the specialists of Research and Development department … a number of installations.
a) tests
b) are testing
c) had tested
d) tested
17. Research in industrial chemistry … a lot of materials up to now.
a) creates
b) will create
c) has created
d) had created
18. There … many developments in satellite technology for these years.
a) is
b) was
c) has been
d) have been
19. Many ancient civilizations … astronomical information long ago.
a) collected
b) will collect
c) have collected
d) are collecting
20. Some scientists believe that by the end of this century our life … completely digitized.
a) was
b) shall be
c) will have been
d) has been
21. At present many computer specialists … to create fifth-generation computers.
a) have worked
b) are working
c) worked
d) will work
22. Scientists … on atomic power for some time, before they invented the bomb.
a) was working
b) has worked
c) will work
d) had worked
23. At this time tomorrow morning they … the possibilities to begin a new project.
a) shall discuss
b) are discussing
c) will be discussing
d) have discussed
24. Since the Web was first introduced, the number of sites and search engines... at an unbelievable rate.
a) have grown
b) is growing
c) shall grow
d) grow
25. Research scientists … on an interesting problem for obtaining power from atom now.
a) are working
b) has worked
c) worked
d) have work
26. The speaker just … the role of genetics in the development of medical science.
a) mentioned
b) has mentioned
c) mentions
d) have mentioned
27. They … these results last year.
a) received
b) has received
c) receive
d) receives
28. They always … to use the most efficient methods of research.
a) tries
b) try
c) has tried
d) was trying
29. He … his device a week ago.
a) was improving
b) had improved
c) improved
d) improves
30. He … his device before they examined the properties of the materials.
a) improves
b) will improve
c) has improved
d) had improved
31. Newton … the law of gravity in 1666.
a) establishes
b) had established
c) has established
d) established
32. Newton … his law of gravity by 1670.
a) have established
b) had established
c) establishes
d) will establish
33. My friend had prepared his report before we … to you.
a) spoke
b) are speaking
c) had spoken
d) have spoken
34. He … his report yesterday.
a) is preparing
b) prepares
c) prepared
d) had prepared
35. He … results of his research a month ago.
a) was publishing
b) have published
c) publishes
d) published
36. My friend already … the results of his discovery.
a) had published
b) has published
c) publishes
d) was publishing
37. He … the article before you spoke to me.
a) had translated
b) has translated
c) translates
d) is translating
38. He … the article by the time you come.
a) was translating
b) translates
c) will have translated
d) has translated
39. The explorers will have conducted a study of the Artic before the winter ….
a) has come
b) had come
c) came
d) comes
40. The scientists … plasma since the late 1920s.
a) have studied
b) has studied
c) study
d) was studying
41. The scientists … this problem before first plasma was produced.
a) didn’t studied
b) hadn’t studied
c) isn’t studying
d) aren’t studying
42. We just … the analysis of the mixture.
a) has finished
b) finishing
c) finished
d) have finished
43. Phosphorus … in the dark.
a) have shined
b) were shined
c) shines
d) shining
44. In 1669 the alchemist Hennig Brandt … phosphorus.
a) discovers
b) had discovered
c) discovered
d) will discover
45. The students usually … to the shop to practice mechanics.
a) go
b) goes
c) went
d) gone
46. We usually … thermometers to measure temperatures.
a) have used
b) uses
c) use
d) used
47. Scientists rarely … research outside the laboratory.
a) are conducting
b) had conducted
c) will conduct
d) conduct
48. As a rule a skilled engineer … Higher Mathematics.
a) shall know
b) knows
c) had known
d) known
49. Science and engineering sometimes … synthetic materials in the development of electronic instruments.
a) uses
b) use
c) is using
d) have used
50. Sometimes scientific inventions … fatal results.
a) is having
b) will have
c) has
d) have
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