Your company has an Active Directory domain.     A user attempts to log on to the domain from a client computer and receives the following  message： "This user account has expired. Ask your administrator to reactivate the account."     You need to ensure that the user is able to log on to the domain.     What should you do（）

A、Modify the properties of the user account to set the account to never expire.

B、Modify the properties of the user account to extend the Logon Hours setting.

C、Modify the properties of the user account to set the password to never expire.

D、Modify the default domain policy to decrease the account lockout duration.

You have a domain controller named DC1 that runs Windows Server 2008 R2. DC1 is configured as a   DNS server for contoso.com.   You install the DNS Server server role on a member server named Server1 and then you create a  standard secondary zone for contoso.com. You configure DC1 as the master server for the zone.  You need to ensure that Server1 receives zone updates from DC1.   What should you do（）

A、On Server1， add a conditional forwarder.

B、On DC1， modify the permissions of contoso.com zone.

C、On DC1， modify the zone transfer settings for the contoso.com zone.

D、Add the Server1 computer account to the DNSUpdateProxy group.

Your network consists of a single Active Directory domain. The domain contains 10 domain  controllers. The domain controllers run Windows Server 2008 R2 and are configured as DNS  servers.     You plan to create a new Active Directory-integrated zone.  You need to ensure that the new zone is only replicated to four of your domain controllers.     What should you do first（）

A、Create a new delegation in the ForestDnsZones application directory partition.

B、Create a new delegation in the DomainDnsZones application directory partition.

C、From the command prompt， run dnscmd and specify the /enlistdirectorypartition parameter.

D、From the command prompt， run dnscmd and specify the /createdirectorypartition parameter.

关于β-羟基丁酸酶法测定中β-羟基丁酸转化为（）。

A、丙酮酸

B、乳酸

C、β-羟丁酸

D、乙酰乙酸

E、NAD+

关于血红蛋白尿特点，错误的是（）。

A、隐血试验阳性

B、尿蛋白质定性阳性

C、离心后镜检有大量红细胞

D、棕红色甚至酱油色

E、离心后上清液颜色变化不大，仍为红色

对急性肝炎有诊断价值的酶是（）。

A、AST

B、ALT

C、γ-GT

D、AKP

E、MAO