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【单选题】
为应用程序开发人员上班 Certkiller。 com。 您正在开发.NET 框架 2.0 Windows 服务指定将用于不断的 TestScannerSync 的应用程序扫描仪连接到计算机的显示器。 TestScannerSync 类继承及其功能ServiceBase 类。 当您连接扫描仪服务同步其数据与数据SQL Server 数据库中的数据。 您决定重写在 TestScannerSync 如上方法关闭数据库连接的类和写入代码。 您需要确定在代码中的位置，您可以打开到数据库的连接。 你应该做什么？（）
A.
在构造函数中的打开的数据库连接TestScannerSync类
B.
在OnContinue方法中打开的数据库连接TestScannerSync类
C.
数据库连接打开的OnStart方法中TestScannerSync类
D.
在OnPowerEvent方法中打开的数据库连接TestScannerSync类
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【简答题】完形填空。 Once there was a girl in my class that I thought was beautiful and smart. I believed that she was perfect. When the time for my birthday came, I 1 her to my party, and she came. A few months 2 ,...
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【判断题】信号报警和联锁保护系统中，信号报警起到自动监视的作用当工艺参数超限或运行状态异常时，以灯光或音响的形式发出警报，提醒操作人员注意，并及时加以处理。联锁保护实质上是一种自动操作系统，能使有关设备按照规定的条件或程序完成操作任务，达到消除异常、防止事故的目的。
A.
正确
B.
错误
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【单选题】在要求( )的凸轮机构中,宜使用滚子式从动件。
A.
传力较大
B.
传动准确
C.
传动环境恶劣
D.
转速较高
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【单选题】进行静态投资的估算,一般需要确定一个基准年,以便估算有一个统一的标准。静态投资估算的基准年常为 ( )。
A.
项目开工的前一年
B.
项目开工的第一年
C.
项目投产的前一年
D.
项目投产的第一年
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【单选题】在要求( )的凸轮机构中,宜使用滚子是从动件。
A.
载荷较大
B.
传动准确、灵敏
C.
转速较高
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【简答题】Translate the following sentences into Chinese. 1. When I first came, I couldn ’ t understand why I was getting so little reaction from people, but now I see that they thought I was overpowering and t...
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【简答题】As far back as I can remember, I’ve always known that my brother was different. At first I thought this was a 31 thing. But when I got older I learned the truth. My brother had autism (孤独症) and Attent...
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【简答题】I studied engineering after enjoying top marks. Then university life came! I thought that I must have some ___36____ disorder, as it seemed that everyone else was absorbing the materials but theywere ...
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【判断题】逆风疏散法就是根据火灾发生时的风向来确定疏散方向，迅速逃到火场上风处躲避火焰和烟气。（）
A.
正确
B.
错误
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【简答题】At my primary school , I was one of the smartest kids there , I never studied , but always got perfect scores . I thought I was born clever . At least I believed so . I was alsoa prodigy in music acco...
查看完整题目与答案
相关题目：
【简答题】完形填空。 Once there was a girl in my class that I thought was beautiful and smart. I believed that she was perfect. When the time for my birthday came, I 1 her to my party, and she came. A few months 2 ,...
查看完整题目与答案
【判断题】信号报警和联锁保护系统中，信号报警起到自动监视的作用当工艺参数超限或运行状态异常时，以灯光或音响的形式发出警报，提醒操作人员注意，并及时加以处理。联锁保护实质上是一种自动操作系统，能使有关设备按照规定的条件或程序完成操作任务，达到消除异常、防止事故的目的。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在要求( )的凸轮机构中,宜使用滚子式从动件。
A.
传力较大
B.
传动准确
C.
传动环境恶劣
D.
转速较高
查看完整题目与答案
【单选题】进行静态投资的估算,一般需要确定一个基准年,以便估算有一个统一的标准。静态投资估算的基准年常为 ( )。
A.
项目开工的前一年
B.
项目开工的第一年
C.
项目投产的前一年
D.
项目投产的第一年
查看完整题目与答案
【单选题】在要求( )的凸轮机构中,宜使用滚子是从动件。
A.
载荷较大
B.
传动准确、灵敏
C.
转速较高
查看完整题目与答案
【简答题】Translate the following sentences into Chinese. 1. When I first came, I couldn ’ t understand why I was getting so little reaction from people, but now I see that they thought I was overpowering and t...
查看完整题目与答案
【简答题】As far back as I can remember, I’ve always known that my brother was different. At first I thought this was a 31 thing. But when I got older I learned the truth. My brother had autism (孤独症) and Attent...
查看完整题目与答案
【简答题】I studied engineering after enjoying top marks. Then university life came! I thought that I must have some ___36____ disorder, as it seemed that everyone else was absorbing the materials but theywere ...
查看完整题目与答案
【判断题】逆风疏散法就是根据火灾发生时的风向来确定疏散方向，迅速逃到火场上风处躲避火焰和烟气。（）
A.
正确
B.
错误
查看完整题目与答案
【简答题】At my primary school , I was one of the smartest kids there , I never studied , but always got perfect scores . I thought I was born clever . At least I believed so . I was alsoa prodigy in music acco...
查看完整题目与答案
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