某患者，女性，61岁，开腹探查术后出现肠瘘。患者诉疲乏、眩晕、四肢无力。血压90/65mmHg．心率120次／分，呼吸40次／分。血液pH为7.22，［HCO₃^-］为13mmol/L。

此患者酸碱失衡的类型是（）。

A.呼吸性碱中毒

B.呼吸性酸中毒

C.代谢性碱中毒

D.代谢性酸中毒

E.混合型酸碱平衡失调

TCP/IP (71) layer protocols provide services to the application (72) running on a computer. The application layer does not define the application itself, but rather it defines (73) that applications need — like the ability to transfer a file in the case of HTTE In short, the application layer provides an (74) 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 (75) layer consists of two main protocol options — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

A．services

B．processes

C．applications

D．address