女性,38岁,诊断风湿性心脏病二尖瓣狭窄(中度),突发心悸2天,伴呼吸困难,不能平卧,查体:BP95/75mmHg,口唇发绀,双肺较多湿啰音,心率150次/分,第一心音强弱不等,节律绝对不规则,心尖部舒张期隆隆样杂音,肝不大,下肢无水肿。为明确诊断应立即做()
A. 心电图检查
B. 心脏X线检查
C. 心向量图检查
D. 超声心动图检查
E. T3、T4、TSH检查
An Organization 2010 has 2 Mailbox Servers named Server1 and Server2.Each one has Mailbox Database and 1 Public Folder Database.All users create Public Folders on Server1 only.You need to ensure that all users create Public Folder on Server2 only.What should you do?()
A. Move all Mailboxes to Server2
B. Remove all Public Folder replicas from Server1
C. Modify properties of both Mailbox Databases
D. Modify properties of both Public Folder Database