以下哪位名医对气虚发热的辨证及治疗做出了重要贡献（）。

A.李时珍

B.华佗

C.孙思邈

D.朱丹溪

E.李东垣

Traditional Internet access methods like dial-up were so slow that host computers were connected to the dial-up. (6) at the customer premise over slow (7) ports. PPP was designed to run directly over these serial links. But with the advent of broadband Internet (8) technologies such as ADSL and cable modems there has been a considerable increase in the bandwidth delivered to the end users. This means that the host computers at the customer premise connect to the (9) or cable "modem" over a much faster medium such as Ethernet. It also means that multiple (10) can connect to the Internet through the same connection.

（6）是（）

A.buffer

B.modem

C.computer

D.server