Since1980therehavebeenfourmajordevelopmentsinTV.Thefirstisvideo,whichhasgiven1thepowertocontrolwhattheywatchandwhentheywatchit.Thesedays,fiftypercentofhomeshaveaVCR(video-cassetterecorder)andmillions

题目详情

Since 1980 there have been four major developments in TV. The first is video, which has given __1__ the power to control what they watch and when they watch it. These days, fifty percent of homes have a VCR (video-cassette recorder) and millions more are being sold every year. The second is satellite TV. Thanks to DBS (__2__), dozens of new channels are now __3__ to anyone who buys a receiving “dish”.
The third development is cable－a system of hi-tech __4__, which provides even more channels. But not only that, cable also makes __5__ possible for you to communicate through your TV.
Fourthly, there’s HDTV (high definition television), which now offers a much __6__ and more realistic picture than was possible even a few years ago.
So more channels, more choice, more clarity (清晰). What is there left for __7__ to achieve in the future? The answer to that is two-way __8__. Modern technology means that 21^st century televisions will be linked to computer data-banks. This way. Views will be able to ask questions about what they’re watching and the answers will appear on their __9__. This idea is called “hyper-media” and it’s still at an early __10__. But then, as we’ve just seen, TV had come a very long way in a very short time. The hyper0media revolution could happen sooner than any many people think.

小题1:

A．listeners

B．players

C．viewers

D．engineers

小题2: