家庭健康护理原则中，协助家庭成员改善和建立利于健康的环境和生活是指（）
A. 有效利用社区资源
B. 有效利用家庭资源
C. 建立良好的人际关系
D. 提供家庭所需的保健指导，改善生活环境和生活方式
E. 解除陌生感
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“B2C”是指（）的电子商务模式。
A. 消费者对消费者
B. 企业对消费者
C. 企业对企业
D. 企业对政府
轧件在变形区沿高度方向不仅发生不均匀的压缩，而且产生了（）的剪切变形。
张力性气胸急救时应用粗针头经伤侧锁骨中线第（）肋间刺人胸膜腔排气减压。
You are the Exchange administrator of the Xxx Corporation’s Exchange 2010 organization.You need to retrieve all messages from Ann’s mailbox that have the word "classified" in the message body and the subject of "New Project." The message may be either in the Calendar or Inbox folders. What should you do？（）
A. Use the Exchange Management Console to create a recovery storage group
B. Use the Exchange Management Shell to create a recovery storage group
C. Use the Exchange Management Console to create a recovery database
D. Use the Exchange Management Shell to create a recovery database
E. Use the Restore-Mailbox cmdlet to restore only messages that the word "classified" in the message body and the subject of "New Project"
F. Use the Export-Message cmdlet to restore only messages that the word "classified" in the message body and the subject of "New Project"
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