[填空题]Blues is the earliest music form in America.

[填空题]Blues is the earliest music form in America.

[单项选择]The earliest form of artificial lighting was fire, which also provided warm and protection.（　）
A. hot
B. sunshine
C. warmth
D. safe

[单项选择]
Music comes in many forms; most countries have a style of their own. At the turn of the last century, (51) jazz was bona, America had no prominent (52) of its own. No one knows exactly when was invented or by whom. But it began to be (53) in the early 1890s. Jazz is America’s contribution to (54) music. In contrast to classical music, which (55) formal European traditions, jazz is spontaneous and free in form. It bubbles with energy, (56) the moods, interests, and emotions of the people. In the 1920s’ jazz (57) like America. And so it does today. The (58) of the music are as interesting as the music itself. American Negroes, or blacks, as they are called today, were the jazz pioneers. They were brought to the Southern states (59) slaves. They were sold to plantation owners and forced to work long hours. When a Negro died, his frien
A. while
B. when
C. since
D. as

[单项选择]The music called "blues" has deep roots in African-American history. In the Mississippi Delta, men working in the cotton fields and on construction crews chanted and sang as they worked. These work songs and "field hollers" expressed the pain and sorrow of the workers and helped to pass the time. During the evenings, the workers sang these songs, accompanied by guitar and banjo. Live dance bands started playing blues songs, and female singers further developed the style. The blues spread from its birthplace in the Mississippi Delta to other rural areas of the South. Eventually, the music traveled northward with African Americans who moved from the South to cities in the North. The blues contributed to the development of other types of music, such as the big-band jazz of the 1930s.


A. Field hollers and songs helped workers to pass the time.
B. Blues music originated in the Mississippi Delta.
C. Dance bands in northern cities invented the blues.
D. The blues had an influence on big-band jazz musi