从供选择的答案中，选出应填入下面叙述中{ }内的最确切的解答，把相应编号写在答卷的对应栏内。

　　When most people refer to multimedia, they generally mean the combination of tow

　　or more continuous media, usually with some user { A } . In practice, the two media are normally audio and video, that is, { B }plus moving { C }.

　　It should be obvious by now that transmitting multimedia material in uncompressed form is completely out of { D }, the only hope is that massive compression is possible. Fortunately, a algorithms that make multimedia transmisson { E }.

　　供选择的答案

　　A～C：①display ②games ③help ④interaction

　　⑤pictures ⑥sound ⑦web

　　D、E：①impossible ②fearful ③feasible ④program

　　⑤questio ⑥thing

　　【答案】A：④ B：⑥ C：⑤ D：⑤ E：③