| 1. The chemical balance of the brain which controls awareness can be radically __________ by the introduction of external agents. | | |
| 2. When mixed, the chemicals form a highly volatile __________. | | |
| 3. We have __________ a proposal for the development of a new marketing campaign. | | |
| 4. Plants and animals __________ from single-cell organisms over millions and millions of years. | | |
| 5. My __________ in producing this material is to provide teachers and students with a resource which can be used to review vocabulary in a variety of ways. | | |
| 6. My aunt went to Europe to get __________ treatment she couldn't get here in Australia. | | |
| 7. Yorkville in Toronto used to be a working class neighbourhood, but nowadays it is a __________ shopping area. | | |
| 8. The human rights organization Amnesty International warns that in many countries, development is being __________ at the expense of human rights. | | |
| 9. Over 500 varieties of fish are able to __________ appreciable amounts of electricity. | | |
| 10. Andrew Brown once said that the Internet is so big, so powerful and pointless that for some people it is a complete __________ for life. | | |