美国体育--作业.pptVIP

* National Football League Is a huge football league in America. Therere a total of 32 teams in the league that is divided into two major American Football federation. American Football Conference (AFC) and National Football Conference (NFC). Each federation has 16 teams, and divided into four competion area: east, south, west and north. The origin of professional football can be traced back to 1892, with William Pudge Heffelfingers $500 contract to play in a game for the Allegheny Athletic Association against the Pittsburgh Athletic Club. In 1920 the American Professional Football Association was formed. This league changed its name to the National Football League (NFL) two years later, and eventually became the major league of American football. Primarily a sport of Midwestern industrial towns in the United States, professional football eventually became a national phenomenon. Footballs increasing popularity is usually traced to the 1958 NFL Championship Game, a contest that has been dubbed the Greatest Game Ever Played. A rival league to the NFL, the American Football League (AFL), began play in 1960; the pressure it put on the senior league led to a merger between the two leagues and the creation of the Super Bowl, which has become the most watched television event in the United States on an annual basis Game form Players in the game can catch a ball, pick up the ball ，run with ball, moved the ball, shoot or in some other way to push the ball. The other side of ball player can flap, fell, hold, pull or shoulder against or can fall on the ball, rushed into the area of array, ball pressure touchdown and so on. Rules of the game The ball can only be passed backward. Do not touch the ball when you fall to the ground. The player can attack when they are not in offside. 头盔 (helmet) 肩胸垫 (shoulder pads) 护肘 (elbow pads) 手套(gloves) 腰胯垫 (hip pads) 腿垫 (thigh pads) 护膝 (knee pads) 鞋子(cleats) 制服(uniform) 美国职棒大联盟(Major League Baseball ) MLB (American profession