1. 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
2. The ________ of the scientific attitude is that the human mind can succeed in understanding the universe.
A) essence B) texture C) content D) threshold
3. The old lady has developed a ________ cough which cannot be cured completely in a short time.
A) perpetual B) permanent C) chronic D) sustained
4. What the correspondent sent us is an ________ news report. We can depend on it.
A) evident B) authentic C) ultimate D) immediate
5. 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
6. 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
7. Hurricanes are killer winds, and their ________ power lies in the physical damage they can do.
A) cumulative B) destructive C) turbulent D) prevalent
8. In spite of the ______economic forecasts, manufacturing output has risen slightly.
A) gloomy B) miserable C) shadowy D) obscure
