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试述机油的功用?

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对血管内外水平衡发挥主要作用的是:()

A. 血浆胶体渗透压
B. 血浆晶体渗透压
C. 血浆总渗透压
D. 血红蛋白含量

盛夏水田采取()有利降温,避免水稻早衰。

A. 日排夜灌
B. 日灌夜排
C. 全日淹灌
D. 日夜均排

Your network contains a server named Server1 that runs Windows Server 2008 R2. Server1 has the Routing and Remote Access service (RRAS) role service installed.You need to view all inbound VPN packets. The solution must minimize the amount of data collected.What should you do?()

A. From RRAS,create an inbound packet filter.
B. From Network Monitor,create a capture filter.
C. From the Registry Editor,configure file tracing for RRA
D. At the command prompt,run netsh.exe ras set tracing rasauth enabled.

下列测心率方法中()项不常用.

A. 扪股动脉搏动
B. 在心前区用听诊器听
C. 扪挠动脉或颈动脉

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