Cloze test ( 10 points, 1 point each )

　　Basketball is the only major sport that is 100 percent American in origin. It was 11 in 1891 by Naismith , a PE teacher in a high school 12 Springfield , Massachusetts. As New England winter is extremely 13 , he could not find any game 14 for his students. One day , an idea 15 him. Why not have the students pass and shoot a big orange ball through a basket indoors? Gradually the play spread throughout the United States, and later to the rest of the 16 . At first , a soccer ball was used in the game ; 17 ball used today came a little later .

　　Basketball was first included in the 1936 Olympic Games in Berlin, and in 1949 the National Basketball Association ( NBA ) was formed. Thereafter , the game gradually became popular. Today , it is regularly rated as the favorite 18 of Americans . it is played everywhere from playgrounds to driveways by ordinary people. At the 19 level, players such as Michael Jordan and Shaquille O’Neal 20 wide popularity.