When most people refer to multimedia, they generally mean the combination of two or more continuous media, usually with some user (115) . In practice, the two media are normally audio and video, this is, (116) plus moving (117) .

It should be’ obvious by now that transmitting multimedia material in uncompressed form is completely out of (118) . The only hope is that massive compression is possible. Fortunately, a large body of research over the past few decades has led to many compression techniques and algorithms that make multimedia transmission (119) .

（117）是（）

A.display

B.games

C.help

D.interaction

E.pictures

F.sound

G.web

患者，男，66岁。外受风邪，症见口眼斜，舌强不能言语，手足不能运动。治疗应首选

A．牵正散

B．活络丹

C．镇肝熄风汤

D．大定风珠

E．大秦艽汤