房地产估价机构的资质分为"一级、二级、三级、四级"这四个等级。()
查看答案
滴定分析中要用到3种能准确测量溶液体积的仪器,即()、()、().
A router has been configured with the commands router os pf 9, network 172.16.1.0 0.0.0.255 area 8, and network 172.16.0.0 0.0.255.255 area 9, in that order. No other OSPF -related commands have been configured. The answers list the IP addresses that could be assigned to this router's Fa0/0 interface. Which an swers list an IP address/prefix length that would cause the router to put Fa0/0 into area 9?()
A. 172.16.0.1/23
B. 172.16.1.1/26
C. 172.16.1.1/24
D. 172.16.0.255/23
E. None of the other answers is correct.
在来不及断电,或由于生产或其他原因不允许断电的情况下,需要带电灭火,以下几种灭火器中不能选用()带电灭火。
A. 泡沫灭火器
B. 四氯化碳灭火器
C. 二氧化碳灭火器
D. 干粉灭火器