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判断题
在数据库表中建立关系时，若是选择了"实施参照完整性"，则改变主表的主键内容时，关系表中的相关连接字段的值会随之改变。
A
对
B
错
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单选题You install a new AGP video adapter in your Windows 2000 Professional Computer. You start the computer and notice that the video display has retained the default setting of 16 color, 640 x 480 resolution. You install the manufacturer’s drivers for the new video adapter. You then restart the computer. During the startup process, the monitor goes blank. After several minutes the screen is still blank. You restart the computer and experience the same problem again. You want to enable Windows 2000 Professional to start successfully. What should you do? （）A
Start the computer in the debug mode. Restore the original adapter driver settings.B
Start the computer in the Safe Mode. Rename the AGP device by using Device Manager.C
Start the computer by using the Recovery Console. Rename the AGP driver.D
Start the computer by using the emergency repair disk. Restore the original driver settings.
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多选题关于发包人支付担保的说法，正确的有（）。A可由担保公司提供担保B担保的额度为工程合同价总额的10%C实行履约金分段滚动担保D支付担保的主要作用是确保工程费用及时支付到位E实行支付担保的担保合同应作为施工承包合同的附件
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单选题You have two servers named Server1 and Server2 that run Windows Server 2003 Service Pack (SP2). You connect a USB drive to Server1 and copy several files to the USB drive. You connect the USB drive to Server2. You receive a message that the drive installed successful and is ready-to-use. You open Windows Explorer and the USB drive does not appear. You need to ensure that you can access the files stored on the USB drive. What should you do? （）A
From the command prompt, run Convert.exe.B
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染色体
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