题目内容

在进行区间估计时，可靠程度越大，则估计的精确程度越高。（）

A. 正确
B. 错误

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女性，13岁，初潮后月经周期紊乱，经期长短不一，已有3月余。肛诊：子宫正常大小，双附件区正常首选的辅助检查是（）

A. 诊断性刮宫
B. 基础体温测定
C. B超检查
D. E?测定
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Your network contains two Exchange Server 2010 Edge Transport servers and five Exchange Server2010 Hub Transport servers. All e-mail sent from your organization to the Internet is transferred by the Edge Transport servers. You need to recommend a security solution for the organization to meet the following requirements： .Ensure that users can send encrypted messages to any other organization on the Internet .Ensure that all Exchange-related communication between Hub Transport servers and Edge Transport servers is encrypted What should you recommend？（）

A. Deploy IPsec.
B. Deploy SMTP over SS
C. Implement Domain Security.
D. Implement Secure/Multipurpose Internet Mail Extensions （S/MIME）.

影响坠落伤形成的因素

用来传递气动信号的仪表管道一般多采用（）。

A. 纯铜管
B. 塑料管
C. 碳钢管
D. 铝管