What type of extinguisher should be used for an electric fire? ________
A.CO2
B.Form
C.Water
D.Water and Form
第1题:
A.In need of
B.In case of
C.In spite of
D.In charge of
第2题:
________ the vessel have no safety radiotelegraphy certificate at the time of her delivery,she ________ be held to be unseaworthy.
A.If/may
B.Will/shall
C.Should/would
D.Would/should
第3题:
第4题:
下面是防火墙接口的配置命令:
fire(config) ip address outside 202.134.135.98 255.255.255.252
fire(config) ip address inside 192.168.46.1 255.255.255.0
fire(config) ip address dmz 10.0.0.1 255.255.255.0
根据以上配置,写出上图中防火墙各个端口的IP地址:
e0:(2)
e1:(3)
e2:(4)
第5题:
______ it rain tomorrow moring, the loading ______.
A.Should / will be postponed
B.If / shall be postponed
C.Should / would be postponed
D.If / has to be postponed
第6题: