请用从A - O的15个单词中选择恰当的 单 词 填空: [A] retailers [B] recommended [C] history [D] crisis [E] off [F] evolution [G] following [H] federal [ I ] call [ J ] on [K] over [L] refer [M] wholesalers [N] convert [O] transform Black Friday, the day after Thanksgiving, is regarded by many as the beginning of the Christmas shopping season. While not a 1 holiday, several states observe the day after Thanksgiving as a holiday, which means many state and school employees have the day 2 . Therefore, the number of potential shoppers greatly increases. In fact, since 2005, Black Friday has been the busiest shopping day of the year. With 3 extending their hours and deals every year, the crowds and chaos show no signs of decreasing. Here’s a look at the 4 of Black Friday. The term Black Friday was first used in the United States to describe a financial 5 in 1869. On September 24, 1869, a Friday, James Fish and Jay Gould tried to take 6 the gold market in the New York Gold Exchange ( 纽约黄金交易所 ) . The first time Black Friday referred to shopping the day after Thanksgiving was in this 1961 Philadelphia public relations newsletter: For downtown merchants throughout the nation, the biggest shopping days normally are the two 7 Thanksgiving Day. Resulting traffic jams are an irksome problem to the police and, in Philadelphia, it became customary for officers to 8 to the post-Thanksgiving days as Black Friday and Black Saturday. Hardly a stimulus for good business, the problem was discussed by the merchants with their Deputy City Representative, Abe S. Rosen, one of the country’s most experienced municipal PR executives. He 9 adoption of a positive approach which would 10 Black Friday and Black Saturday to Big Friday and Big Saturday. Although many merchants opposed the negative name for the biggest shopping day of the year, the term stuck . By 1975, it appeared in The New York Times : Philadelphia police and bus drivers call it Black Friday - that day each year between Thanksgiving Da y and the Army-Navy Game.