A.www.hcc B.www.exploratrium.edu C.www.paris.org/musees/louvre D.ranler.oact.hq.nasA.gov
A.www.nbA.com B.www.mcp.com C.www.mtv.com D.www.mcp.lib
A.http://www.westwood B.http://www.virgin.com C.http://www.mediA.mit.edu D.http://www.casino.com