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简述什么是气象灾害应急准备认证乡镇?

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You are developing a Windows Forms Application by using the .NET Framework 3.5.You plan to create a customized Print Preview dialog box in the application.You need to ensure that users can preview their documents before printing.Which two actions should you perform?()

Add a PrintPreviewDialog control to the form.
B. Add a PrintPreviewControl control to the form.
Create and initialize a PrintDocument object on the form and then implement the PrintPage event handler.
D. Create and initialize a PrintDocument object on the form and then implement the BeginPrint event handler.
E. Set the Document property of the PrintPreviewDialog control to the PrintDocument instance that must be printed.

患者女,胎儿枕左前位,胎心146次/分,宫口开大3cm。在产程护理措施中,错误的是()

A. 指导合理进食
B. 休息时取左侧卧位
C. 鼓励2~4小时排尿一次
D. 每隔1~2小时听一次胎心
E. 宫缩时嘱正确用腹压

在操作时,遇到突发事故,司机一定要保持头脑清醒、镇静操作,切不可惊慌失措。()

A. 正确
B. 错误

水泥生产设备大致可分为原料加工机械、烧成设备、输送设备、选粉设备和收尘设备等。

A. 正确
B. 错误

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