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置石布置的方式有哪些？

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说出软填料密封结构的基本要求？

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关于阴道毛滴虫，哪项是错误的（）。

A. 滋养体呈梨形
B. 有包囊为椭圆形
C. 主要寄生于女性阴道
D. 可引起滴虫性阴道炎
E. 可引起慢性前列腺炎

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You are the desktop administrator for Company. All employees have Windows 2000 Professionalcomputers. A user named Exams is given a new portable computer. She successfully installs her printer andscanner hardware.Two weeks later， Exams installs and update print driver. When she restarts her computer， she receives thefollowing error message：“STOP.IRQL_NOT_LESS_OR_EQUAL”Exams restarts the computer again， and she receives the same error message.You need to ensure that Exams can successfully start Windows 2000 Professional. What should you do？（）

A. Restart Exams’s computer with the last known good configuration.
B. Restart Exams’s computer in safe mode. Log on as a local administrator and set the Driver Signing Options to Ignore-Install the software anyway and don’t task for my approval.
C. Restart Exams’s computer in safe mode. Create a local computer policy to enable Windows File Protection.
D. Restart Exams’s computer in Recovery console.Enable the new print driver with the Service_system_start parameter.&e

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增加阻尼不可能提高机床动刚度。

A. 正确
B. 错误

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