| 1. Scientists warn that if humankind is going to have a future on this planet, it is absolutely __________ that we find another energy source. | | |
| 2. Your job __________ will improve considerably if you can upgrade your computer skills. | | |
| 3. Some, though not all psychological disorders are __________ by signs of abnormal brain chemistry. | | |
| 4. Tattoos have gone from being a sign of rebellion to being a symbol of fashion and __________. | | |
| 5. It will require a massive investment for us to completely __________ our production system, but it will certainly pay off in the long term. | | |
| 6. The Buddha once said, "Your body is precious. It is our __________ for awakening. Treat it with care." | | |
| 7. Karl Marx believed that the masses of workers are __________ by a small, privileged elite, who control most of the wealth. | | |
| 8. The university now employs a software program which __________ online plagiarism, highlighting the offending passages for the instructor. | | |
| 9. Canada possesses the technology to produce __________ weapons, but has not chosen to do so. | | |
| 10. The plane had to make an __________ stop in Edmonton when a passenger had a heart attack. | | |