简述细菌对抗菌药物产生耐药性的机制。
You need to design an administrative model for the Exchange Server environment. What should you do？（） Create a single organizational unit （OU）. Place the user accounts for each office in the OU. Delegate control over the OU to the office’s server administrators and the central IT staff。 Create a single Exchange administrative group. Place all Exchange servers into that administrative group. Assign permissions for the administrative group to the officer’s server administrators and the central IT staff。 Create an Exchange administrative group for each office. Place the Exchange severs for each office into that office’s administrative group. Assign permissions for the administrative group to the office’s server administrators. Allow the central IT staff to manage user mailboxes。 Create an organizational unit （OU） for each office. Place the user accounts for each office into the appropriate OU. Delegate control over each OU to the office’s server administrators. Allow the central IT staff to manager user mailboxe。
发展新型农村合作金融组织政策，农村资金互助组织必须坚持（）。 社员制。 封闭性原则。 不对外吸储放货。 支付固定回报。
对于有产物抑制作用的酶，最好选用（）反应器 搅拌罐式。 喷射式。 膜反应器。 鼓泡式。
You are the network administrator for your company. The network consists of a single Active Directory domain. All domain controllers run Windows Server 2003. All client computers run Windows XP Professional. The company has legacy applications that run on UNIX servers. The legacy applications use the LDAP protocol to query Active Directory for employee information. The domain controllers are currently configured with the default security settings. You need to configure enhanced security for the domain controllers. In particular， you want to configure stronger password settings， audit settings， and lockout settings. You want to minimize interference with the proper functioning of the legacy applications. You decide to use the predefined security templates. You need to choose the appropriate predefined security template to apply to the domain controllers. What should you do？（） Apply the Setup security.inf template to the domain controllers.。 Apply the DC security.inf template to the domain controllers.。 Apply the Securedc.inf template to the domain controllers.。 Apply the Rootsec.inf template to the domain controllers.。
企业通过购买、联合或兼并与自己有竞争关系的企业的发展战略是（）
