患者女,12岁,因“颈右侧疼痛”来诊。查体:颈右侧及颌下区肿胀,可扪及一肿物,体积约4cm×5cm×3cm,边界不清楚,有轻触痛,皮温略高。患儿无其他不适。肝不大,骨髓及外周血均未发现异常。该患儿可能发生的疾病有()。
A. 急性非特异性淋巴结炎
B. 淋巴结结核
C. 淋巴组织肿瘤
D. 急性粒细胞白血病
E. 囊性水瘤
F. 浆细胞骨髓瘤
G. 传染性单核细胞增多症
You have a Windows Server 2008 that has the Active Directory Certificate Services server role installed. You need to minimize the amount of time it takes to download a certificate revocation list (CRL). What should you do()
A. Install and configure an Online Responder.
B. Install and configure an addtional domain controller.
C. Import the Root CA certificate into the Trusted Root Certification Authorities on all client workstations.
D. Import the Issuing CA certificate into the Trusted Root Certification Authorities on all client workstations.
机车担当机务段所在站的相邻两个或更多区段的列车牵引任务,除需要进入折返段进行技术作业或因检修修程需要入机务段外,机车均在机务段所在站进行乘务员换班和整备作业,直到需要定期检修时才入本段的叫()运转方式。
A. 半肩回式
B. 肩回式
C. 循环式
D. 环行