（1—3题共用题干）患者，男，65岁，慢性咳嗽30年，近3年出现活动后气促，重时下胶浮肿，3天前因受凉发热，咳喘加重，1天前出现神志模糊，嗜睡，血压100／60mmHg，无病理反射。

下列检查中哪项检查对此病例最具意义

A．血浆D-二聚体

B．血气分析

C．血常规

D．血电解质

E．血沉

Originally introduced by Netscape Communications, (1) are a general mechanism which HTTP Server side applications, such as CGI (2) , can use to both store and retrieve information on the HTTP (2) side of the connection. Basically, Cookies can be used to compensate for the (4) nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (5) .

4（）

A.Browsers

B.Cookies

C.Connections

D.Scripts