六级词汇与语法精选特训13

　　29. 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

　　30. The Christmas tree was decorated with shining ________ such as colored lights and glass balls.

　　A) ornaments

　　B) luxuries

　　C) exhibits

　　D) complements

　　31. The two most important ________ in making a cake are flour and sugar .

　　A) elements

　　B) components

　　C) ingredients

　　D) constituents

　　32. Cultural ________ indicates that human beings hand their languages down from one generation to another.

　　A) translation

　　B) transition

　　C) transmission

　　D) transaction

　　33. We must look beyond ________ and assumptions and try to discover what is missing.

　　A) justifications

　　B) illusions

　　C) manifestations

　　D) specifications

　　34. No one imagined that the apparently ________ businessman was really a criminal.

　　A) respective

　　B) respectable

　　C) respectful

　　D) realistic

　　35. If nothing is done to protect the environment, millions of spedes that are alive today will have become ________ .

　　A) deteriorated

　　B) degenerated

　　C) suppressed

　　D) extinct

　　36. The ________ of the scientific attitude is that the human mind can suceeed in understanding the universe.

　　A) essence

　　B) texture

　　C) content

　　D) threshold

　　37. The old lady has developed a ________ cough which cannot be cured completely in a short time.

　　A) perpetual

　　B) permanent

　　C) chronic

　　D) sustained

　　38. What the correspondent sent us is an ________ news report. We can depend on it.

　　A) evident

　　B) authentic

　　C) ultimate

　　D) immediate

　　39. 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

　　40. 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

　　41. Hurricanes are killer winds, and their ________ power lies in the physical damage they can do.

　　A) cumulative

　　B) destructive

　　C) turbulent

　　D) prevalent

　　42. In some countries, students are expected to be quiet and ________ in the classroom.

　　A) skeptical

　　B) faithful

　　C) obedient

　　D) subsidiary