1. Written mail, which is currently referred to as “snailmail” by frequent computer users, ___ by email and other electronic technologies.
    • A. is being slowly transformed
    • B. will have been slowly transformed
    • C. slowly transforms
    • D. was slowly transformed
  2. Among American football aficionados, the tackling of the quarterback behind the line of scrimmage ___ known as a “sack.” A. is what is B. what is C. has what D. that is

  3. Airport x-ray devices ___ designed more carefully in order to detect the more sophisticated forms of explosive materials that are now produced. A. must have been C. must D. must be B. must have been being

  4. Emerging in the spring or summer as an elongate, brownish to black beetle, the grub with its velvety body ____ in length from 9 to 10 mm. A. which has ranged C. it will have ranged B. ranges D. range

  5. In Europe, a definite system of locating the annual cuttings ____ in the management of communal and government forests. A. is extensively used C. extensively uses B. has extensively used D. will have extensively used

  6. The total livestock which used the National Agricultural System ____ 2.75% in comparison with the previous year. A. laid off B. fired off C. fell off D. carried off

  7. ____ in his grand operas, Rinsky-Korsakov six times dealt with fantastic and but twice with real or historical subjects. A. Which of that will observe B. It will be observed that C. When will it be observed D. Observing that when

  8. To Darwin we ____ that has made the interrelations of organisms central in modern natural history. A. have owed the change C. owing the change B. the change do owe D. owe the change

NOUN CLAUSE

  1. Disturbances in seabed slope which have occurred over short periods of time have caused scientists to believe ____ more extensive than at first thought. A. that tectonic drift is C. which tectonic drift B. tectonic drifts D. tectonic drifting

  2. ___ the manatee of south Florida is being pushed to the edge of extinction due to the invasion of its habitat by motorized boats has been shown by marine researchers. A. In that B. That C. Although D. Unless

  3. Virtually all doctors agree ____ a second diagnosis in the event of a potentially major disease. A. that patients should seek B. patients should be sought C. patients they seek D. patients that should seek

  4. ___ found in forests can possess deadly toxicity is an element of folk knowledge that has not been passed down to today’s general public. A. Those certain mushrooms B. That certain mushrooms C. Despite it, certain are the mushrooms D. Even though certain mushrooms

  5. ___ continue to pollute the ocean with all forms of contamination from sewage to solid wastes such as plastic containers remains a mystery to environmentalists. A. Although people C. People that B. Why people D. Those people that

  6. ____ and have low refractive indices, low dielectric constants, and low surface tensions has long been known by chemists. A. Those fluorocarbons are more volatile and denser than corresponding hydrocarbons B. That fluorocarbons are more volatile and denser than corresponding hydrocarbons C. While fluorocarbons are more volatile and denser than corresponding hydrocarbons D. When fluorocarbons are more volatile and denser than corresponding hydrocarbons

  7. ____ advances and broadens our understanding of the complex problems of soil fertility. A. Whatever adds to the biochemical knowledge of soils B. When it adds that to the biochemical knowledge of soils C. While it is added to the biochemical knowledge of soils D. Whomever adds to the biochemical knowledge of soils

  8. It is safe to say ____ does not exceed 25%. A. because the average efficiency of the best steam engine B. which the average efficiency of the best steam engine C. that the average efficiency of the best steam engine D. with the average efficiency of the best steam engine

  9. There is no doubt _____ correspond to the gill clefts which are used in connection with the breathing in fishes. A. because of the minute slits which are seen in embryonic reptile and birds B. despite the fact that the minute slits which are seen in embryonic reptile and birds C. if the minute slits which are seen in embryonic reptile and birds D. that the minute slits which are seen in embryonic reptiles and birds

  10. Blame for the invention of nuclear weapons must fall upon ____. A. however conceived their invention in the first place B. whenever conceived their invention in the first place C. whatsoever conceived their invention in the first place D. whoever conceived their invention in the first place

33-50 came from test 15 11. A 12. A 13. D 14. B 15. A 16. C 17. B 18. D 19. A 20. B 21. A 22. B 23. B 24. B 25. A 26. C 27. D 28. D