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问题 单项选择题

女性，30岁，左下腹肿块多年。妇科检查：子宫正常大小，左侧可触及约3个月妊娠子宫大小的囊性肿物，在解大便后突然感到左下腹持续疼痛，拒按，这一征象表明

A．囊肿破裂
B．囊肿恶变
C．囊肿蒂扭转
D．囊内感染
E．囊内出血

答案

参考答案：C

单项选择题

Microsoft’s COM is a software (71) 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 (72) standard developed by Microsoft. OLE makes it possible to create (73) with one application and link or embed them in a second application. Embedded objects retain their original format and (74) to the application that created them. Support for OLE is built into the Windows and MacOS Operating Systems. A (75) compound document standard developed mainly by Apple and IBM is called OpenDoc.

（73）处填（）。

A．objects

B．event

C．table

D．function
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填空题

在钻进过程中，钻井液入口流量不变，立管压力突然减小，钻时增大，可能发生了（）或（）事故。
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