(a) Why did Ragtime, marching band music, and the Blues lose popularity after about 1900?

　　(b) What were the origins of Jazz and how did it differ from other forms of music?

　　(c) What has been the greatest contribution of cornet players to music in the twentieth century?

　　(d) Which early Jazz musicians most influenced the development of Blues music?

　　7. According to the passage, Jazz originated in

　　(a) Chicago

　　(b) St. Louis

　　(c) along the Mississippi river

　　(d) New Orleans

　　8. The word "welded" in line 6 is closest in meaning to

　　(a) squeezed

　　(b) bound

　　(c) added

　　(d) stirred

　　9. Which of the following distinguished Jazz as a new form of musical expression?

　　(a) the use of cornets

　　(b) "hot Jazz"

　　(c) improvisation

　　(d) New Orleans

　　10. The word "skeletal" in line 15 is closest in meaning to

　　(a) framework

　　(b) musical

　　(c) basic

　　(d) essential

　　11. Which one of the terms is defined in the passage?

　　(a) "improvisation" (line 12)

　　(b) "traditional" (line 12)

　　(c) "composer" (line 12)

　　(d) "score" (line 14)