在气动主机遥控系统的程序负荷回路中,调压阀的功能是()。
A. 输入低于程序负荷开始转速,输出为0
B. 输入低于程序负荷开始转速,输出等于输入
C. 输入高于程序负荷开始转速,输出等于输入
D. 输入高于程序负荷开始转速,输出等于0
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国家外汇管理局规定养老基金、保险基金、共同基金等类型的合格投资者,以及合格投资者发起设立的开放式中国基金的投资本金锁定期为()。
A. 3个月
B. 6个月
C. 9个月
D. 1年
Your network contains an Active Directory domain named contoso.com. The domain contains the servers shown in the following table: Server name Operating system Role DC1 Windows Server 2008 Domain controller DC2 Windows Server 2008 R2 Domain controller DNS1 Windows Server 2008 DNS server DNS2 Windows Server 2008 R2 DNS server The functional level of the forest is Windows Server 2003. The functional level of the domain is Windows Server 2003. DNS1 and DNS2 host the contoso.com zone. All client computers run Windows 7 Enterprise. You need to ensure that all of the names in the contoso.com zone are secured by using DNSSEC. What should you do first()
A. Change the functional level of the forest.
B. Change the functional level of the domain.
C. Upgrade DC1 to Windows Server 2008 R2.
D. Upgrade DNS1 to Windows Server 2008 R2.
试点纳税人中的一般纳税人,以该地区试点实施之日前购进或者自制的有形动产为标的物提供的融资租赁服务,试点期间可以选择按照简易计税方法计算缴纳增值税。
A. 正确
B. 错误