11. The ________ of the scientific attitude is that the human mind can suceeed in understanding the universe.
A) essence
B) texture
C) content
D) threshold

12. The old lady has developed a ________ cough which cannot be cured completely in a short time.
A) perpetual
B) permanent
C) chronic
D) sustained

13. What the correspondent sent us is an ________ news report. We can depend on it.
A) evident
B) authentic
C) ultimate
D) immediate

14. 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

15. 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

16. Hurricanes are killer winds, and their ________ power lies in the physical damage they can do.
A) cumulative
B) destructive
C) turbulent
D) prevalent

17. In some countries, students are expected to be quiet and ________ in the classroom.
A) skeptical
B) faithful
C) obedient
D) subsidiary