C．It disappeared around the year 1900.

　　D．It was most popular during Joplin's time.

　　D　[细节理解题。由第一段的描述可知，拉格泰姆在20世纪初非常受欢迎，斯科特·乔普林是最有名的美国拉格泰姆作曲家。]

　　2．Which of the following is TRUE regarding Maple Leaf Rag?

　　A．It was not serious music.

　　B．It made ragtime cheaper.

　　C．It was a mix of musical styles.

　　D．It failed to entertain audiences.

　　C　[推理判断题。由第二段中的"The song showed Joplin's creative blend of African­American rhythm and more established European­American musical styles."可知，斯科特·乔普林在创作《枫叶拉格》这首歌曲时创造性地融合了非裔美国人的音乐节奏和更为成熟的欧美音乐风格。]

　　3．How did other composers feel about Joplin's music?

　　A．It was top­class.

　　B．It was hard to play.

　　C．It was slow and soft.

　　D．It lacked imagination.

　　A　[推理判断题。由最后一段中的"Songs like Maple Leaf Rag influenced these composers"和"composers came to appreciate the high quality of Joplin's music，which has continued to capture the imagination of many composers and musicians up to the present day"可知，作曲家深受乔普林的音乐的影响，并且他们逐渐开始欣赏他高品质的音乐。]

　　4．What's the focus of this text?

　　A．The life story of Joplin.

　　B．The rise of ragtime composers.

　　C．The development of jazz music.

　　D．The influence of Joplin's music.

D　[主旨大意题。通读全文可知，本文主要介绍了美国黑人作曲家斯科特·乔普林创作的拉格泰姆音乐作品对美国音乐产生的影响。]