Music comes in many forms; most
countries have a style of their own. {{U}}(1) {{/U}} the turn of the
century when jazz was born, America had no prominent {{U}}(2) {{/U}} of
its own. No one knows exactly when jazz was {{U}}(3) {{/U}},or by whom.
But it began to be {{U}}(4) {{/U}} in the early 1900s. Jazz is America's
contribution to {{U}}(5) {{/U}} music. In contrast to classical music,
which {{U}}(6) {{/U}} formal European traditions, jazz is spontaneous
and free-form. It bubbles with energy, {{U}}(7) {{/U}} the moods,
interests, and emotions of the people. In the 1920, jazz {{U}}(8) {{/U}}
like America. And {{U}}(9) {{/U}} it does today. The {{U}}(10)
{{/U}} of this music are as interesting as the music {{U}}(11)
{{/U}}. American Negroes, or blacks, as they are called today, were the jazz
{{U}}(12) {{/U}}. They were brought to the Southern states {{U}}(13)
{{/U}} slaves. They were sold to plantation owners and forced to work long
{{U}}(14) {{/U}}. When a Negro died his friends and relatives
{{U}}(15) {{/U}} a procession to carry the body to the cemetery. In New
Orleans, a band often accompanies the {{U}}(16) {{/U}}. On the way to
the cemetery the band played slow, solemn music suited to the occasion.
{{U}}(17) {{/U}} on the way home the mood changed. Spirits lifted. Death
had removed one of their {{U}}(18) {{/U}}, but the living were glad to
be alive. The band played {{U}}(19) {{/U}} music, improvising on both
the harmony and the melody of the tunes {{U}}(20) {{/U}} at the funeral.
This music made everyone want to dance. It was an early form of
jazz.
【正确答案】
A
【答案解析】at the turn of the century意为“在世纪之交”，其他各项中的介词均不合适。