What are the two new forms of music developed by the musicians in the southern United States?
A. Jazz
B. The blues
Country music
D. R&B
The text is mainly about _____.
A. the life of Elvis Presley
B. the history of American music
C. the development of rock and roll
D. black Africans and white European music
为了保证汽车安全行驶,提高汽车的平均行驶车速,以提高运输生产率,在各种汽车上都设有专用制动机构。这样的一系列专门装置即称为制动系。
A. 对
B. 错
在科目汇总表核算程序下,会计报表编制的依据是
A. 原始凭证
B. 记账凭证
C. 科目汇总表
D. 原始凭证汇总表