销售信息系统由POS收款机和一些外设构成，常见的外设有（）
A. 条码设备
B. 电子秤和条码电子秤
C. 扫描仪
D. 磁卡及磁卡阅读器
查看答案
根据《治安管理处罚法》的规定，下列与偷越国（边）境有关的行为应处以五日以上十日以下拘留，并处五百元以上二千元以下罚款的是（）。
A. 协助组织他人偷越国（边）境
B. 运送他人偷越国（边）境
C. 为偷越国（边）境人员提供条件
D. 偷越国（边）境
司法鉴定实行鉴定机构负责制。（）
A. 正确
B. 错误
You use Microsoft .NET Framework 4 to create an application. The application contains a partially trusted client assembly and a server assembly. You create a custom sandboxed application domain. You need to ensure that the application can be executed in a partial-trust environment. What should you do?（）
Apply the following attribute to the server assembly. [assembly: AllowPartiallyTrustedCallers(PartialTrustVisibilityLevel=VisibleToAllHosts)]
B. Apply the following attribute to the server assembly. [assembly: AllowPartiallyTrustedCallers(PartialTrustVisibilityLevel=NotVisibleByDefault)]
C. Apply the following attribute to the client assembly. [assembly: AllowPartiallyTrustedCallers(PartialTrustVisibilityLevel=VisibleToAllHosts)]
D. Apply the following attribute to the client assembly. [assembly: AllowPartiallyTrustedCallers(PartialTrustVisibilityLevel=NotVisibleByDefault)]
微信支付 
支付宝支付