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患者女性，2岁，颈部淋巴结肿大伴头晕，乏力、纳差2个月。两颌下、颈部、腋窝及腹股沟淋巴结均明显肿大，胸骨有压痛，肝肋下1cm，脾肋下3cm，Hb42g／L，WBC18×10／L血涂片中原始细胞占87％，胞体较小，胞浆未见Auer小体，涂片中有较多退化细胞为了本病的诊断，下列哪项检查应作为首选

A. 肝功能检查
B. 骨髓细胞学检查
C. 淋巴结穿刺涂片
D. 细胞化学染色
E. 血常规检查

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大理石板铺贴时粘贴层砂浆为15~20mm干硬性水泥砂浆，抹粘贴层前在基层刷素水泥浆一遍，随抹随铺板块。一般先由（）向（）采用（）铺贴。凡有柱的大厅，宜先铺（），然后向（）。也可先在（）按弹线和地面标高线铺一行大理石板，并以此板作为标筋两侧挂线，中间铺贴以此线为准。

A self-hosted Windows Communication Foundation (WCF) service uses a secure HTTP binding with a custom principal permission mode. The binding requires users to provide their Windows logon credentials. You need to retrieve the identity of the caller.What are two possible properties you can use to achieve this goal? (Each correct answer presents a complete solution Choose two)（）

A. Thread.CurrentPrincipal.Identity.Name
B. HttpContext.Current.User.Identity.Name
C. ServiceSecurityContext.Current.PrimaryIdentity.Name
D. OperationContext.Current.ServiceSecurityContext.PrimaryIdentity.Name

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男性，50岁，体育老师。游泳课时突然出现胸痛，休息后无缓解。呼叫救护车，医护到场后检查，BP90／60mmHg，R12次／分，神清，双肺呼吸音清，HR80次／分，偶可闻及早搏，EKG提示：V_1~5ST段抬高，偶有室性早搏。回院途中，突然抽搐，意识丧失，唇面发绀，大动脉搏动消失。此时应立即（）

A. 静注利多卡因
B. 静注胺碘酮
C. 静注阿托品
D. 电复律
E. 静注肾上腺素

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Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）.You have a DHCP server that has 10 scopes.You need to add a DNS server to all 10 scopes by using the minimum amount of administrative effort. What should you do？（）

A. In the DHCP snap-in， add a server option.
B. In the DHCP snap-in， add a scope option for each scope.
C. At a command prompt on the server， run the Chcp command and code page 863.
D. At a command prompt on the server， run the Netsh command and configure the popd subcontext.

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A. 肝功能检查 B. 骨髓细胞学检查 C. 淋巴结穿刺涂片 D. 细胞化学染色 E. 血常规检查

Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）.You have a DHCP server that has 10 scopes.You need to add a DNS server to all 10 scopes by using the minimum amount of administrative effort. What should you do？（）

A. 肝功能检查
B. 骨髓细胞学检查
C. 淋巴结穿刺涂片
D. 细胞化学染色
E. 血常规检查