不同的气质类型具有不同的行为特征。具有安静稳重、反应缓慢行为特征的人的气质属于（） 多血质。 抑郁质。 胆汁质。 粘液质。
《九章》
You work as the IT professional in an international company which is named wiikigo. You are experienced in implementing and administering a network operating system. You are specialized in configuring IP addressing and services, configuring name resolution and network access and so on. You are in charge of a domain controller that runs windows server 2008 and the DNS server role. The dns server hosts an active directory-integrated zone for your domain. You need to provide a user with the ability to manage records in the zone. But the user must not so what action should you perform?（） The user permissions on the zone should be granted.。 The user permissions on the DNS zone should be granted.。 The user should be added to the DNSUpdateProxy Global security group.。 The user should be added to the DNSAdmins domain local security group.。
否认
按照证券投资的对象，可以将证券分为（）。 债券投资。 股票投资。 联营投资。 组合投资。
您正在编写自定义字典。该自定义字典类名为MyDictionary。您需要确保该字典是类型安全的字典。您应该使用哪个代码段？（）
