走进视频通话的百年历程_奇速读时文快乐学英语

时文摘要

视频通话是电话机“革命”的一个方向，它也是人们在过去百年之中一直追寻的“概念”。如今它早已由概念变为了现实，它让人与人之间的通讯更为迅捷和丰富。

Video calling is a technology when you call somebody. You see him at the same time. It is a normal thing for us today. People did not know it one hundred years ago.

People first got the idea of video calling in the late 1890s. They did not know how to do it. The first success(成功) was in the 1930s. But the video was very bad. A US company made a Television-Phone in 1955. People saw each other when they called. The screen(屏幕) was 25 centimeters wide. The Internet changed video calling in the late 1990s. It was fast and the picture was good.

Many people use video calling every day. They work from home or they must stay at home. They are happy that they can see their family and friends on the screen.

1. People can _______ through video calling.

A see each other

B surf the Internet

C only hear each other

D send short messages

2. When did people know how to use video calling?

A In the 1930s.

B In the 1950s.

C In the late 1890s.

D In the late 1990s.

3. Where was the first Television-Phone born?

A In France.