题目内容

“小楼一夜听春雨,深巷明朝卖杏花”是()诗歌()中的诗句。

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Which of the following answers can be verified as true based on the following command output from Router R1?() R1#show ip ospf virtual - links Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA alloweD. Transit area 1, via interface FastEthernet0/1, Cost of using 3

A. R1 is configured with an area 0 virtual - link 4.4.4.4 cost 3 command.
B. The ping 4.4.4.4 command on R1 must currently be successful.
C. R1's Fa0/0 OSPF cost is 3.
D. 4.4.4.4 is known to R1 based on a Type 1 LSA in area 1.

锅炉化学清洗过程中采取的主要安全措施有()

A. 照明要充分,照明电源控制要远离清洗系统
B. 工作人员应熟悉《电业安全工作规程》和酸洗用药品性能,工作人员配备必要的防护用品(眼镜、手套、工作服),急救药品准备好
C. 有关设备、阀门挂标示牌,统一指挥,分工负责,搬运酸用专用工具,临时管线要经过严格水压试验
D. 准备好泄漏的抢修工作

华中世纪星系统执行倒角指令是在()程序段执行

快速铁路道床顶面宽度为3400mm,边坡坡度为1:1.75。

A. 正确
B. 错误

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