试述沙门菌的抗原基本构造。

张某是一起抢劫案的犯罪嫌疑人，公安机关将案件移送到检察机关审查起诉，人民检察院将其拘传到人民检察院接受了两天的讯问。张某对此提出了申诉，认为检察院违法。对此，他提出的哪些理由是没有根据的( )

A．未经传唤，直接拘传

B．应由公安机关决定

C．应由公安机关执行

D．时间延长到两天

女性，50岁。因尿毒症行肾移植术，术后肾功能延迟恢复，每日尿量800ml左右，肌酐800μmol／L。术后第8天行移植肾穿刺活检，诊断为ATN。现患者口服抗排斥药物为CsA，MMF和Pred。

目前的治疗宜采取（）。

A.立即切除移植肾

B.大剂量激素冲击治疗

C.ALG／ATG治疗

D.加大免疫抑制剂剂量

E.恢复血透等待移植肾功能恢复

压缩空气站除应安装空气压缩机、空气过滤器、后冷却器和贮气罐外，还应安装（）。

A．空气处理器

B．空气干燥器

C．油水分离器

D．负荷调节器

Microsoft's COM is a software（1）that allows applications to be built from binary software components. COM is the underlying architecture that forms the foundation for higher-level software services, like those provided by OLE. COM defines a binary standard for function calling between components,a way for components to dynarmically discover the interfaces implemented by other components, and amechanism to identify components and their interfaces uniquely. OLE is a compound（2）standard developed by Microsoft. OLE makes it possible to create（3）with one application and link or embed them in a second application.Embedded objects retain their original format and（4）to the application that created them. Support for OLE is builtinto the Windows and MacOS Operating Systems.A（5）compound document standard developed mainly by Apple and IBM is called OpenDoc.

空白（5）处应选择（）

A.completing

B.competing

C.connecting

D.contained

中型零售企业经营场所面积不应低于（）

A、100㎡

B、50㎡

C、40㎡

D、30㎡

E、20㎡