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问题 单项选择题 A3/A4型题

女性患者，25岁。因低热、盗汗、腹痛就诊。查体：移动性浊音阳性，右下腹及脐下触及不易推动的肿块，确诊为结核性腹膜炎。

该病最常见的并发症为（）。

A.肠梗阻

B.慢性穿孔

C.急性穿孔

D.肠坏死

E.腹腔脓肿

答案

参考答案：A

单项选择题

避火服面料的（）为棉绒织物。

A、表层

B、中间层

C、内层

D、外层
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单项选择题

TCP/IP (1) layer protocols provide services to the application (2) running on a computer. The application layer does not define the application itself, but rather it defines (3) that applications need — like the ability to transfer a file in the case of HTTE In short, the application layer provides an (4) between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP (5) layer consists of two main protocol options — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

2（）

A.hardware 

B.software 

C.packet 

D.equipment
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