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关于英语专业八级改错练习题及答案解析 关于英语专业八级改错练习题及答案解析 In the United States there are, strict speaking, no national 1 holiday, for each state must, through legislative enactment or 2 executive proclamation, appoint the day which each holiday is 3 celebrated. Congress and the president may establish legal holidays for the District of Columbia and for federal employees throughout the states and territories; and by long custom, days that receive nationwide observation, such as Christmas, Thanksgiving, Labor 4 Day, Independent Day, and New Year’s Day, are uniformly set 5 apart by all states as legal, or public holidays. In 1968, federal 6 legislation established Columbia Day as alegal holiday for the District of Columbia and for the federal government beginning at 7 1971. The law also provided begun in 1971 federal