Music comes in many forms; most countries have a style of their own. 【A1】______ the turn of the century when jazz was born, American had no prominent 【A2】______ of its own. No one knows exactly when jazz was【A3】______, or by whom. But it begins to be【A4】______ in the early 1900s. Jazz is America’s contribution to 【A5】______ music. In contrast to classical music, which【A6】______ formal European traditions, jazz is spontaneous and, free form. It bubbles with energy, 【A7】______ the moods, interests, and, emotions of the people. In the 1920s jazz 【A8】______ like America, and【A9】______ it does today. The 【A10】______ of this music are interesting as the music 【A11】______. American Negroes, or blacks, as they are called today, were the jazz 【A12】______. They were brought to Southern States 【A13】______ salves. They were sold to plantation owners and forced to work long 【A14】______. When a Negro died his friends and relatives【A15】______ a procession to carry the body to the cemetery. In New Orleans, a band often accompanied the【A16】______. On fee way to the cemetery the band played slow, solemn music suited to the occasion.【A17】______ on the way home the mood changed. Sprits lifted. Death had removed one of their【A18】______, but the living were glad to believe. The band played【A19】______ music, improvising on both the harmony and the melody of the tunes【A20】______ at the funeral. This music made everyone want to dance. It was an early form of jazz.
单选题
【A1】______
【正确答案】
B
【答案解析】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。