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常开式制动器平常处于松开状态，需要制动时一般是通过机械或液压机构来完成。

A. 正确
B. 错误

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CrMov合金钢允许温度为（）。

A. ≤280℃
B. ≤380℃
C. ≤480℃
D. ≤580℃

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智能推送的特点是怎么体现的？

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初产妇，孕37周，8小时前突然出现阴道流液，如小便样，6小时前开始出现规律宫缩，因胎手脱出于阴道口1小时就诊。查体：产妇烦躁不安，腹痛拒按，脉搏110次/分，呼吸28次/分，胎心160次/分，导尿时见血尿诊断首先考虑（）

A. 胎膜早破
B. 子宫破裂
C. 先兆子宫破裂
D. 前置胎盘
E. 胎盘早剥

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You are using the ASP.NET membership APIs to manage user accounts for a Web site. The Web.config file contains the definition for the membership provider. After modifying the Web.config file to enable password recovery, you create a PasswordReset.aspx file.? You need to enable users to reset their passwords online. The new passwords must be sent to them by e-mail after they have logged on through the Login.aspx page. In addition, users must be required to answer their secret questions before resetting their passwords. Which code logic should you use?（）

Add a PasswordRecovery element to the PasswordReset.aspx file and configure it.
B. Modify the Page_Load to set the Membership.EnablePasswordReset to True in the PasswordReset.aspx file.
C. Add a ChangePassword element to the PasswordReset.aspx file and configure it.
D. Modify the Login.aspx form to include a Required Field validator on the secret question answer text box. Then redirect users to the PasswordReset.aspx file.

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常开式制动器平常处于松开状态，需要制动时一般是通过机械或液压机构来完成。

A. 正确 B. 错误

CrMov合金钢允许温度为（）。

智能推送的特点是怎么体现的？

初产妇，孕37周，8小时前突然出现阴道流液，如小便样，6小时前开始出现规律宫缩，因胎手脱出于阴道口1小时就诊。查体：产妇烦躁不安，腹痛拒按，脉搏110次/分，呼吸28次/分，胎心160次/分，导尿时见血尿诊断首先考虑（）

A. 正确
B. 错误