45. ___
A. To discuss one way it impacted jazz music.
B. To explain why the government reduced some taxes.
C. To describe a common theme in jazz music.
D. To discuss the popularity of certain jazz bands.
46. ___
A. The music contained strong political messages.
B. The music had a steady beat that people could dance to.
C. The music included sad melodies.
D. The music contained irregular types of rhythms.
47. ___
A. The increase in beachfront property value.
B. An experimental engineering project.
C. The erosion of coastal areas
D. How to build seawalls.
48. ___
A. To protect beachfront property.
B. To reduce the traffic on beach roads.
C. To provide privacy for homeowners.
D. To define property limits.
49. ___
A. By sending water directly back to sea with great force.
By reducing wave energy.
C. By reducing beach width.
D. By stabilizing beachfront construction.