某企业确定其合理的薪酬费用比率为12%，公司现有员工80人，人均月薪3500元，则企

关于现病史，以下哪项说法不正确（）

A.内容包括主诉

B.是病史资料中最主要的部分

C.是发病全过程的资料

D.内容包括伴随症状

E.内容包括病因及诱因

一个倾角为q（0°＜q＜90°）的光滑斜面固定在竖直的光滑墙壁上，一铁球在一水平推力F作用下静止于墙壁与斜面之间，与斜面的接触点为A，如图所示。已知球的半径为R，推力F的作用线过球心，则下列判断正确的是：

A．推力F增大，斜面对球的支持力一定增大

B．斜面对球的支持力一定大于球的重力

C．推力F的最小值等于G cotq

D．推力F增大，地面对斜面的支持力不变

Microsoft’s COM is a software (146) that allows applications to be built from binary software components. COM is the underlying architecture that forms the foundation for higher-level software services, like those provided by OLE. COM defines a binary standard for function calling between components, a way for components to dynamically discover the interfaces implemented by other components, and a mechanism to identify components and their interfaces uniquely.
OLE is a compound (147) standard developed by Microsoft. OLE makes it possible to create (148) with one application and link or embed them in a second application. Embedded objects retain their original format and (149) to the application that created them. Support for OLE is built into the Windows and MacOS Operating Systems. A (150) compound document standard developed mainly by Apple and IBM is called OpenDoc.

A．text

B．graphic

C．document

D．database

通过单独反映投资活动产生的现金流量，可以帮助投资者和债权人预计对企业未来现金流量的要求权，以及获得前期现金流入的需付出的代价。( )

压缩机如何向管网送气（当系统管网有压力时）？