American Flag American Flag 20082913化工学院过控2班周旭 1/27/2018 1 Structure of the United States flag History of the United States flag The production of the United States flag The United States flag hanging manner of release Americans oath the . Flag around us About the . Flag 1/27/2018 2 Structure of the United States flag 美国国旗是星条旗(the Star-Spangled Banner),旗面左上角为蓝色星区,区内共有9排50颗白色五角星,以一排6颗、一排5颗交错。星区以外是13道红白相间的条纹。50颗星代表美国50个州,13道代表最初北美13块殖民地。据华盛顿说:红色条纹象征英国,白色条纹象征脱离它而获得自由。更普遍的说法认为,红色象征勇气,白色象征自由,蓝色则象征忠诚和正义。 1/27/2018 3 History of the United States flag--1 National flags are not merely symbols of a country. Their colors and designs convey past history and future goals. Flags have powerful connotations(内涵). They speak to the people and politicians. People of one country will burn the flag of another with whose politics they do not agree. To show their anger, students display their own nation's flags with the design altered or cut pletely. Dictators fly flags; dissidents(持不同政见者) rip them down. In every country of the world, the treatment of a flag displays an opinion or statement. 1/27/2018 4 History of the United States flag--2 Americans take the treatment of their flag seriously and in the 20th century this has e an important issue. Included in the code of ethics are such rules as the national flag cannot be used for advertising. It cannot cover a monument or any ceilings. It must not be folded while being displayed. No one should write on an American flag. Ships can lower their flags slightly in greeting each other, but otherwise should not be dipped for any other object or person. 1/27/2018 5 History of the United States flag--3 In the late 1960s, American students wore small flags sewn to the back of their jeans, symbolically insulting the American government and protesting its involvement in the Vietnam War. They burned the American flag in front of the Capitol Building(国会大厦)in Washington as a statement of protest. In the early 1990s, senators