The Friday Brain-teaser from xrefer - This week: Abbreviations: There are some acronyms and abbreviations that we use so often, we may have forgotten what they stand for - that is if we knew in the first place! Clues to the meanings are given in brackets after each one, and you can visit the answers page to see how you did

1. WYSIWYG (used about computers)
2. NIMBY (describing someone who objects to development near his or her own property)
3. DC (district with Washington as its centre)
4. BBC (broadcasting authority in the UK)
5. GNP (measurement of a country's wealth)
6. HB (symbol on a pencil)
7. AIDS (progressive failure of immune system)
8. CORE (US civil-rights organization)
9. NWT (part of Canada)
10. UNESCO (United Nations agency)