根据目前施行的学生体质测量方案,某大学二年级女生身高为169.1CM,体重为66.8KG,她属于下列哪个标准?() 较低体重。 正常体重。 超重。 肥胖。
()、诊断功能、决策功能、()是课程与教学评价的主要功能。
从生产过程的各个环节可以总结出造成污染和交叉污染的四大媒介:()、()、()、()。
For what two purposes does the Ethernet protocol use physical addresses?() to uniquely identify devices at Layer 2。 to allow communication with devices on a different network。 to differentiate a Layer 2 frame from a Layer 3 packet。 to establish a priority system to determine which device gets to transmit first。 to allow communication between different devices on the same network。 to allow detection of a remote device when its physical address is unknow。
污染物的迁移方式有哪些?
屠宰后屠体应迅速冷却达肉中心温度()。