A.DaSS B.IaSS C.PaSS D.SaaS
It is no use ________ him. He is making unbearable noises.
A.to stay away from B.stay away from C.staying away from D.stays away from
单、双排脚手架拆除作业必须由从左到右进行,严禁上下同时作业。()
是 否
内燃机车冷却水系统中的冷却元件和设备主要有散热器、热交换器、冷却风扇和冷却腔道等()
Chinese calligraphy can be generally dividedinto 7 styles.()
默认情况对于以太链路,dcn默认使用哪个vlan来传送dcn报文()
A.4093 B.4094 C.4096 D.1