Music comes in many forms: most countries have a style of their own. 【C1】______the turn of the century when jazz was born, America had no prominent style of its own. No one knows exactly when jazz was【C2】______, or by whom. But it began to be heard in the early 1900s. Jazz is America's contribution to【C3】______music. In contrast to classical music, which follows formal European traditions, jazz is spontaneous and free form. It bubbles with energy, 【C4】______the moods, interests, and emotions of the people. In the 1920s jazz sounded like America, and【C5】______it does today. The origins of this music are as interesting as the music【C6】______American Negroes, or blacks, as they are called today, were the jazz pioneers. They were brought to Southern States【C7】______slaves. They were sold to plantation owners and forced to work long hours. When a Negro died his friend and relatives【C8】______a procession to carry the body to the cemetery. In New Orleans, a band often accompanied the procession. On the way to the cemetery the band played slow, solemn music suited to the occasion. 【C9】______on the way home the mood changed. Spirits lifted. Death had removed one of their relations, but the livings were glad to be alive. The band played【C10】______music, improvising (即兴表演) on both the Harmony and the melody of the tunes presented at the funeral. This music made everyone want to dance. It was an early form of jazz.
单选题
【C1】
【正确答案】
B
【答案解析】解析：这里at the turn of the century表示的是“在本世纪初”这一具体时间，只有at可 以用在这里。