作业帮求高一第一学期牛津英语 unit 4 more reading原文 急
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求高一第一学期牛津英语 unit 4 more reading原文 急
求高一第一学期牛津英语 unit 4 more reading
原文 急
求高一第一学期牛津英语 unit 4 more reading原文 急
Have you ever wanted to feel like part of the action while you watched a film?you can,at an Imax Theatre like the one at the Shanghai Science and Technology Museum.The screen at these theatres surrounds the audience.As the sound system has 44 speakers behind the screen,the sound seems very real.Many of the films showm at these theatres are nature films.
You can achieve a similar effect in your own sitting room with a home entertainment system.A home entertainment system uses a wide,flat-screen TV.Often,this is suspended on the wall like a picture.Stereo speakers are arranged round the viewers.Digital technology makes both the picture and the sound clear.
For music lovers,there is always MP3.Since MP3 player were introduced in 1997,people have taken them everywhere.An MP3 player uses digital technology to record and play music.Most MP3 player are smaller than cigarette lighters.They can record hundreds of hours of music.With an MP3 player,you can listen to high-quality music while you are doing nearly anything.You no longer have to carry CDs or cassettes with you.
可算打完了!累死了,敢复制的去死!