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问题 多项选择题

关于鼓室描述有误的是（）

A.位于鼓膜与内耳之间有六壁内含听小骨

B.其前方经咽鼓管与鼻咽相通，后方经鼓窦入口与鼓窦及乳突相通

C.有两块肌肉

D.血供主要来自颈内动脉与外界不相通

E.粘膜的神经支配来源于面神经

答案

参考答案：D, E

单项选择题

钻井液含砂量指的是（）百分含量。

A、质量

B、重量

C、体积

D、都不是
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单项选择题

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.

（149）是（）

A.characteristics

B.address

C.page

D.links
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