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2024年3月12日发(作者：request的意思)
Passage One
During the past several years, many new uses of television sets have been
introduced.在过去的几年，新的使用电视的方式出现了。
Video cassette recorders, video games, cable TV, and home computers are
becoming popular accessories(附件) for the home TV.视频磁带，游戏机，有线电视以
及家庭电脑都成为电视的有机组成部分。 The videodisc(碟片) is the most recent and
perhaps the most important of the new home entertainment media.碟片是最新的也
是最重要的家庭娱乐媒体。
A videodisc looks like an ordinary record, but it reproduces pictures and sound.
碟片很像一个普通的拷贝，但是它可以记录图像和声音。It is designed to play back
programs that have been recorded on it. 它可以回放储存在上面的信息和程序。The
manufacturers record movies, concerts, and educational programs on the discs.在
碟片上可以储存电影，音乐会，以及教育节目。
A videodisc is made of plastic. 碟片是用塑料做成的。Its surface is covered with
tiny pits that wind around the disc in a coil.碟片的表面是一些圆形的凹槽。 The size
and arrangement of the pits form a code that represents the recorded pictures and
sounds.凹槽的数量和排列可以记录图片和声音。 As the disc spins on the disc player,
the player reads the code and translates it into a TV signal which is then shown on
the TV screen.当碟片被放入影碟机，影碟机把凹槽上面的信号翻译成电视屏幕上可以播
放的节目。
Manufacturers began developing videodiscs in the 1970’s.20世纪70年代碟片
开始被生产出来。 Videodiscs and players have been available for home use since
December 1978, and their manufacturers hope that they will become as popular as
records and record players. 家庭用的碟片产生于1978年12月，生产商希望碟片可以
像唱片那样得到广泛的使用。Home entertainment, however, is not the only use for
videodisc. 然而家庭娱乐并非碟片唯一的用武之地。Some companies are developing
videodisc systems to store computer information and record visual computer
programs. 一些公司利用碟片存储信息和记录可视电脑程序。Home computers may
even be used with video players in the future. 在将来，电脑也许会和影碟机共同使用。
1. The passage is mainly about ________.文章主旨
A) the videodisc and its functions碟片和它的功能
B) the uses of television sets电视机的使用
C) home computers家庭电脑
D) video cassette recorders 可视唱片
2. According to the passage, a videodisc _________.碟片是
A) can only reproduce sound只能记录声音
B) can only reproduce pictures只能记录图像
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