男性,62岁,突然出现剧烈头痛和呕吐8小时。无发热,否认高血压史。体检:神清,体温36.9℃,血压16.5/10kPa,右侧瞳孔直径3.5mm,对光反射消失,上睑下垂,眼球向上、下及内侧运动不能。颈项强直,克氏征阳性。CT示脑正中裂及右大脑外侧裂、枕大池呈高密度影。对进一步治疗及预防,最重要的检查是()。
A. 腰穿
B. 脑电图
C. 听觉诱发电位
D. 全脑血管造影
E. 颅脑X线平片
Your network consists of Windows XP computers. All computers are joined to a single Active Directory directory service domain and located in a single Active Directory site. You create a new Group Policy object (GPO) and link it to the site. The policy configures default screensaver settings. User accounts of users in the research department are located in an organizational unit (OU) named Research. You need to allow users in the research department to configure a different screensaver setting on their computers. What should you do?()
A. Move the user accounts of users in the research department to the Users container.
B. Configure a local security policy on all computers in the research department to allow users to modify their screensaver settings.
C. Add users in the research department to a domain group. Allow the group the Apply Group Policy permission for the GP
D. Add users in the research department to a domain group. Deny the group the Apply Group Policy permission to the GP