| Inventions | |
Phone | The first telephone was invented by Alexander Graham Bell in 1876.It made communications easier.But the telephones were only fixed in post offices.People had to go there to make calls to faraway people and the fees were very high.Later,a cellphone was developed in 1973in America.It was one of the most useful inventions.People can use cellphones to communicate with others much more easily.They can take them anywhere to make private calls,even vision calls (可视电话).Cellphones have many other functions,such as sending messages,taking photos and reading online. |
TV | The first TV set was invented by an English scientist,John Baird,in 1926.The invention helped people watch films at home instead of going to the cinema as before.At first,TV sets only broadcast black-white pictures.Several years later,colored TV sets made the pictures lively.However,they were heavy and thick,so it was difficult to move them.Then,digital TV sets came into being.They are light and thin.Many TV programs are available (可获得的) at any time.At present,people can use the IPTV( 网络电视) to record and replay programs. |
Computer | The first modern computer was invented in America in 1946.It was as big as a room.It improved the speed and exactitude of calculation (计算).In the 1950s,desktop computers were invented in the same country.They became smaller and could be put on the desk.Since then,they have become very important in many fields of work and leisure.Before the 1970s,the computers were single.It was the Internet that joined the computers into a big family,so they could share information with one another.Around 1985,laptops were developed in Japan.They were much smaller and could be put on people's laps.They were light and easy to take. |
分析 第一部电话是由亚力山大格雷厄姆贝尔在1876发明的.它使交流变得容易.但电话只能固定在邮局,人们不得不去那里打电话而且费用很高.后来,手机是1973年在美国发明的.这是一个最有用的发明.人们可以使用手机更容易与他人交流.他们可以在任何地方打电话,甚至可视电话.手机有很多其他功能,如发送短信、拍照和在线阅读.
第一台电视机是一个英国科学家约翰贝尔德,在1926年发明的.这个发明使得人们在家看电影而不是去电影院.一开始,电视台播出的是黑白画面.几年后,彩色电视机让画面活泼.然而,他们又大又重,所以很难搬动.然后,数字电视应运而生.他们轻薄.许多电视节目都可以在任何时候观看.目前,人们可以用IPTV(网络电视)记录和重播节目.
第一台现代计算机是于1946年在美国发明的,它有一个房间那么大.它提高了速度和精确计算.在上世纪50年代,台式电脑在同一个国家发明.他们变小了,可以放在桌子上.此后,他们在工作休闲领域成为非常重要的东西.在上世纪70年代以前,电脑是单一的.互联网的加入使其连接成一个大家庭,所以他们可以互相分享信息.1985年左右,笔记本电脑在日本发明.他们小得多,可以放在包里.他们很轻,方便携带.
解答 51.答案D 细节理解题 由文中 Later,a cellphone was developed in 1973in America 可知 后来,手机是1973年在美国发明的,故选D
52.答案A 细节理解题 由文中 The first TV set was invented by an English scientist,John Baird,in 1926.The invention helped people watch films at home instead of going to the cinema as before可知 第一台电视机是一个英国科学家约翰贝尔德,在1926年发明的.这个发明使得人们在家看电影而不是去电影院,说明在1926年之前人们去电影院看电影.故选A
53.答案D 细 节理解题 由文中 Around 1985,laptops were developed in Japan可知 1985年左右,笔记本电脑在日本发明,故选D
54.答案A 细节理解题 由文中 It was as big as a room.It improved the speed and exactitude of calculation 可知 它有一个房间那么大.它提高了速度和精确计算,故选A
55.答案D 理解判断题 由文中 It was the Internet that joined the computers into a big family,so they could share information with one another可知 互联网的加入使其连接成一个大家庭,所以他们可以互相分享信息,故选D
点评 本文较为简单,大部分题目都是细节理解题,只要理解文章意思,仔细阅读,从文中寻找答案,即可轻松解答.
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