未知题型 Her time at the university was the most ________ period of her life.A eventfulB fanciful C insightfulD graceful

单项选择题 DDN中若采用X.50建议，数据信号速率为4800bit/s，包封后速率为()A.3200bit/sB.4800bit/sC.6400bii/sD.12800bit/s

未知题型 Young children sometimes cannot distinguish between ________ and reality.A allusionB fantasyC fancyD image