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“5个为什么”是指什么?

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Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). The network contains two servers named Server1 and Server2. Server1 is configured as a DHCP server and has a scope that contains addresses 192.168.2.51 to 192.168.2.125.You have a reservation for a print device named Printer1. The reservation assigns the IP address of 192.168.2.100.You install DHCP on Server2 and create a scope that contains addresses 192.168.2.126 to 192.168.2.200.You need to ensure that Printer1’s IP address always remains the same. What should you create on Server2?()

A. an exclusion range
B. a reservation
C. a superscope
D. a user cla

利用总风压通风的优点是安全可靠,但还需增加动力。

A. 正确
B. 错误

湿式脱硫装置投入后,要注意()变化,及时调节石灰石浆的投放量。

A. 硬度
B. PH值
C. 浓度
D. 含硅量

根据《危险化学品安全管理条例》(国务院令第591号)规定,危险化学品生产企业、经营企业不如实记录剧毒化学品、易制爆危险化学品购买单位的名称、地址、经办人的姓名、身份证号码以及所购买的剧毒化学品、易制爆危险化学品的品种、数量、用途的,由()查处。

A. 公安机关
B. 工商行政管理部门
C. 质量监督检验检疫部门

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