电站（所）的设备评级应（）一次，每季（）一次。
What should you do？（） A。 B。 C。 D。
当二氧化碳浓度超过一定限量时，往往会不知不觉地使人、畜及其它动物缺氧，甚至窒息致死。其窒息原因是（）。 具有毒性使人肌体、器官失去功能。 和人体的蛋白质结合。 和人体的血红蛋白结合。 具有刺激和麻醉作。
V形架用于工件外圆定位，其中，短V形架限制（）个自由度。 6。 2。 3。 8。
Your network consists of a single Active Directory domain named contoso.com. All computers are members of the domain. All network servers run Windows Server 2003 Service Pack 2 (SP2). Your company opens a branch office. In the branch office, you deploy a DNS server that hosts a zone named west.contoso.com. You enable dynamic updates on the west.contoso.com zone. You need to ensure that all computers in the branch office register resource records in the west.contoso.com zone. What should you do?（） On the DNS server in the branch office, configure a forwarder to a DNS server in the main office. 。 On the DNS server in the main office, configure a delegation record for west.contoso.com. 。 On the network adapter for each computer in the branch office, configure the DNS suffix of West.contoso.com. 。 On the network adapter for each computer in the branch office, append the DNS search suffix of west.contoso.com.&e。
我国新闻单位现行领导体制和组织机构有若干不足之处，其中最突出的是（）
