1. KFC: Kentucky Fried Chicken, known as KFC in the US, is the world's most popular chicken restaurant chain. The company originated and still has its headquarters in the US. It now has more than 30,000 restaurants worldwide. For more information, check out KFC's homepage at http://www.kfc.com .
2. 911: This is the emergency telephone number in the US and Canada for contacting the police department, the fire department or medical emergency services.
3. Blake's Thames: Blake, William (1757 - 1827) was an English poet and artist whose best known books of poems are Songs of Innocence and Songs of Experience. The quotation used in Passage A comes from the first verse of a poem called "London." More information about William Blake can be found from links at http://www.betatesters.com/penn/blake1.htm. Collections of his works can be found at http://www.blakearchive.org .
4. The Thames is the main river flowing through London, and England's most important river. For more information, check out the website at http://www.riverthames.co.uk .
