A. scares
B. scared
C. scaring
D. scare
参考答案:B
第1题:
A、broke down
B、broke out
C、broke off
D、broke to
第2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3题:
3、下列哪一个表述是正确:
A.always@(posedge CLK or RST)
B.always@(posedge CLK or negedge RST or A)
C.always@(posedge CLK or D or Q)
D.always@(posedge CLK or negedge RST)
第4题:
A.In need of
B.In case of
C.In spite of
D.In charge of
第5题:
A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ______.
A.Fire hose might be damaged by cargo operations
B.Vessel is in port
C.Fire-main system is not charged
D.Fire pumps are used for purposes other than supplying water to the fire main
第6题:
下列描述中采用时钟clk正边沿触发且rst异步低电平复位的代码描述是
A.always @ (posedge clk, negedge rst) if (rst)
B.always @ (posedge clk, rst) if (!rst)
C.always @ (posedge clk, negedge rst) if (!rst)
D.always @ (negedge clk, posedge rst) if (rst)