多项选择题
Which two multicast address ranges are assigned as source-specific multicast destination addresses and are reserved for use by source-specific applications and protocols?()
A.232.0.0.0/8 B.239.0.0.0/8 C.232.0.0.0/4 D.FF3x::/32 E.FF2x::/32 F.FF3x::/16
判断题 动车组列车餐车配备的冰箱、微波炉等电器周围不得放杂物。
问答题 对比说明课程实施的互动调适观和生成观的异同。
问答题 国民经济对教育经费的分配有哪些基本原则?