1855年，法国画家（）以“现实主义绘画”为题举办画展，现实主义作为一个术语正式登场。
简述古典时期古希腊民主黄金时代的特点。
安装预制楼梯应综合考虑塔吊主体结构施工间隙，一般（）层楼梯构件集中吊装。 A.2-4 。 B.2-5 。 C.3-5 。 D.3-6。
狭义货币供应量（M1），即MO加上（）。 企事业单位定期存款。 居民储蓄存款。 企事业单位活期存款。 其他存款。
You are creating a Windows Communication Foundation (WCF) service to process orders.The data contract for the order is defined as follows:[DataContract]public class Order{ [DataMember] public string CardHolderName { get; set; } [DataMember] public string CreditCardNumber { get; set; }}You have the following requirements: Enable the transmission of the contents of Order from the clients to the service. Ensure that the contents of CreditCardNumber are not sent across the network in clear text. Ensure that the contents of CreditCardNumber are accessible by the service to process the order.You need to implement the service to meet these requirements. What should you do?（） Add a DataProtectionPermission attribute to the CreditCardNumber property and set the ProtectData property to true.。 Convert the DataContract to a MessageContract and set the ProtectionLevel property to SignAndEncrypt.。 Change the data type of CreditCardNumber from string to SecureString.。 Implement the CreditCardNumber property getter and setter In the setter, run the value of the CreditCardNumber through the MD5CryptoServiceProvider class TransformBlock method.。
从我国犯罪率变化的过程来看，下列现象与犯罪率的大幅起伏密切相关的是（）
