A “ good ” first impression can be a powerful force for your career.

_________ is the most powerful driving force in one's pursuit of knowledge.

Up to now, we have tolerated self-destructive behavior and environmental vandalism on a global scale. A: . To date B: Until then C: At present D: Now that

_____________ and _____________ have become so pressing that more and more people have come to see the severe consequences of them. A: Emisson of CO2 and Ozone Depletion B: Global warming and climate change

If the U.S. unemployment rate has increased, which of the following must have occurred? A: more workers have become discouraged and stopped looking for jobs B: more people have been forced to work in part-time rather than full-time jobs C: there has been an decrease in the work force as fewer job openings were listed D: more people have become only "marginally attached" to the work force E: none of the above