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激素对人体有调节作用，所以激素多多益善。

A. 正确
B. 错误

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锦屏二级水电站的饮水隧洞的最大埋深为（）m。

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A customer is experiencing a performance bottleneck. The server is performing sequential I/O requests with large block sizes of 64KB. Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）

A. Seek Time
B. Drive RPM
C. Data Transfer Rate
D. Rotational Latency

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When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.

A. reduce the time the sounding tube is open
B. avoid creating a spark
C. lessen the effect of roll or pitch on the reading
D. lessen the effect of heave on the reading

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作业人员的重心超出作业平台防护栏范围作业时，须将安全带系在牢固可靠的部位。

A. 正确
B. 错误

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激素对人体有调节作用，所以激素多多益善。

A. 正确 B. 错误

锦屏二级水电站的饮水隧洞的最大埋深为（）m。

A customer is experiencing a performance bottleneck. The server is performing sequential I/O requests with large block sizes of 64KB. Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）

When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.

作业人员的重心超出作业平台防护栏范围作业时，须将安全带系在牢固可靠的部位。

A. 正确
B. 错误