判断题 柴科夫斯基《法国古歌》为单一调性作品正确错误

单项选择题 如下图所示多边形，未标注边长的边，其边长为(     )。 A. 19.12 B.  20.00 C. 14.30 D. 没有固定长度

单项选择题 The time schedule (the “program” in the FIDIC forms) is one of the most important tools to be used by individual project participants for the purpose of successful project management. A、正确 B、错误