题型：语法填空（语篇） 题类：常考题 难易度：困难
外研版2019-2020学年初中英语九年级上册Module 9 Unit 3同步练习
The first telephone was invented by Alexander Graham Bell in 1876.made communication easier.the telephones were only fixed in post offices at that time. People had to go there to make calls.(late), a cellphone was developed in 1973 in America. It was one of the most(use) inventions. People can use cellphones to communicate with others mucheasily. They can take them anywhere to make private calls, even vision calls. Cellphones have many other functions, such as(send) messages, taking photos and reading online.
The first TV set was invented by an English(science), John Logie Baird, in 1925. The invention helped people watch films at home insteadgoing to the cinema as before. At first, TV sets broadcast black white pictures and they were heavy and thick. Then, digital TV sets came into being. They're light and thin. Many TV programmes are availableany time, People can use the IPTV (record) and replay programmes now.
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