31. Starting with the ________ that there is life on the planet Mars, the scientist went on to develop his argument.
A) premise B) pretext C) foundation D) presentation
32. After several nuclear disasters, a ________ has raged over the safety of nuclear energy.
A) quarrel B) suspicion C) verdict D) controversy
33. Their diplomatic principles completely laid bare their ________ for world conquest.
A) admiration B) ambition C) administration D)orientation
34. The director gave me his ________ that he would double my pay if I did my job well.
A) warrant B) obligation C) assurance D) certainty
35. The Christmas tree was decorated with shining ________ such as colored lights and glass balls.
A) ornaments B) luxuries C) exhibits D) complements
36. The two most important ________ in making a cake are flour and sugar.
A) elements B) components C) ingredients D) constituents
37. Cultural ________ indicates that human beings hand their languages down from one generation to another.
A) translation B) transition C) transmission D) transaction
38. We must look beyond ________ and assumptions and try to discover what is missing.
A) justifications B) illusions C) manifestations D) specifications
39. No one imagined that the apparently ________ businessman was really a criminal.
A) respective B) respectable C) respectful D) realistic
40. If nothing is done to protect the environment, millions of species that are alive today will have become ________.
A) deteriorated B) degenerated C) suppressed D) extinct
41. The ________ of the scientific attitude is that the human mind can succeed in understanding the universe.
A) essence B) texture C) content D) threshold
42. The old lady has developed a ________ cough which cannot be cured completely in a short time.
A) perpetual B) permanent C) chronic D) sustained
43. What the correspondent sent us is an ________ news report. We can depend on it
A) evident B) authentic C) ultimate D) immediate
44. Having had her as a professor and adviser, I can tell you that she is an _______ force who pushes her students to excel far beyond their own expectations.
A) inspirational B) educational C) excessive D) instantaneous
45. Some researchers feel that certain people have nervous systems particularly ______to hot, dry winds. They are what we call weather-sensitive people.
A) subjective B) subordinate C) liable D) vulnerable
46. Hurricanes are killer winds, and their ________ power lies in the physical damage they can do.
A) cumulative B) destructive C) turbulent D) prevalent
47. In some countries, students are expected to be quiet and ________ in the classroom.
A) skeptical B) faithful C) obedient D) subsidiary
48. In spite of the ______economic forecasts, manufacturing output has risen slightly.
A) gloomy B) miserable C) shadowy D) obscure
49. Body paint or face paint is used mostly by men in pre-literate societies in order to attract good health or to _______ disease.
A) set aside B) ward off C) shrug off D) give away
50. The international situation has been growing _____difficult for the last few years.
A) invariably B) presumably C) increasingly D) dominantly
51. The prisoner was ______ of his civil liberty for three years.
A) discharged B) derived C) deprived D) dispatched
52. Small farms and the lack of modern technology have ______ agricultural production.
A) blundered B) tangled C) bewildered D) hampered
53. The Japanese scientists have found that scents ______ efficiency and reduce stress among office workers.
A) enhance B) amplify C) foster D) magnify
54. All the students have to ______to the rules and regulations of the school.
A) confirm B) confront C) confine D) conform
55. He ______ his head, wondering how to solve the problem
A) scrapped B) screwed C) scraped D) scratched
56. As soon as the boy was able to earn his own living he ______ his parents' strict rules.
A) defied B) refuted C) excluded D) vetoed
57. The helicopter_______ a light plane and both pilots were killed.
A) coincided with B) stumbled on C) tumbled to D) collided with
58. To ______ is to save and protect, to leave what we ourselves enjoy in such good condition that others may also share the enjoyment.
A) conserve B) conceive C) convert D) contrive
59. Put on dark glasses or the sun will ______ you and you won' t be able to see.
A) discern B) distort C) distract D) dazzle
60. In ______ times human beings did not travel for pleasure but to find a more favorable climate.
A) prime B) primitive C) primary D) preliminary