如图所示，固定斜面的倾角为30°，顶端有一小滑轮，质量分别为4m、m的两物体A、

Microsoft’s COM is a software （66） that allows applications to be built from binary software components. 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 （67）standard developed by Microsoft. OLE makes it possible to create （68）with one application and link or embed them in a second application. Embedded objects retain their original format and （69）to the application that created them. Support for OLE is built into the Windows and MacOS Operating Systems. A （70） compound document standard developed mainly by Apple and IBM is called OpenDoc.

A．text

B．graphic

C．document

D．database

中央银行通过规定利率限额与信用配额对商业银行的信用活动进行控制，属于（）

A.再贴现政策

B.公开市场业务

C.直接信用控制

D.间接信用控制

开户金融机构为境内机构开户后，须于（）按照外汇账户管理信息系统报送数据的要求将相关数据及时报送外汇局。

定时维修是按照规定的时限或期限，对机械、设备进行（）以防止故障的发生。I.观察，II.拆卸，III.检验，IV.测量，V.维修

A.I+II+III

B.II+III

C.II+III+IV

D.I+II+III+IV+V

证券公司类承销商的资格审查和风险评估由中国证监会和工商管理部门联合实施。( )