题目内容

从1985年至2004年9月，全国累计报告的89067例艾滋病毒感染者中，吸毒人员占（）％

A. 41.3
B. 53.8
C. 19.7
D. 33.1

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You are the network administrator for You administer a Windows Server 2003 computer named TestKing2. contains a shared folder named TestKingProjects. You use the Backup utility once each day to back up the TestKingProjects folder. You discover that a database file in the TestKingProjects folder is corrupt. You confirm that the file corruption is not the result of a virus. You need to replace the corrupted file by using the latest backup. You do not know whether the file was corrupted before or after the latest backup was completed. You need to verify that the file in the backup can be opened successfully before you overwrite the existing file. What should you do?（）

A. In the Backup utility, select the Verify data after backup option.
B. Run the Ntbackup \\TestKing2\TestKingProjects /v:yes command.
C. Restore the file to a temporary folder. Verify that the database file contains the correct data. Copy the restored file to the TestKingProjects folder.
D. Restore the file to a temporary folder. Use the Windiff utility to compare the file in the temporary folder to the file in the TestKingProjects folder. Copy the restored file to the TestKingProjects folder.

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从1985年至2004年9月，全国累计报告的89067例艾滋病毒感染者中，吸毒人员占（）％

A. 41.3 B. 53.8 C. 19.7 D. 33.1

扫描电镜的分辨率受哪些因素影响？用不同的信号成像时，其分辨率有何不同？所谓扫描电镜的分辨率是指用何种信号成像时的分辨率？

分子分散体系是一种（）。

力偶的三要素是（）、（）、（）

A. 41.3
B. 53.8
C. 19.7
D. 33.1