【简答题】Americans have contributed (做贡献) to many art forms, and jazz, a type of music, is one of the art forms started in the United States. Black Americans, who sang and played the music of their homeland, c...
【简答题】The National Gallery of Art in Washington, D.C., is one of the world's greatest art museums. Millions of people have entered its doors to see paintings by the world's fine artists. But if these pricel...