一、文章原文
PASSAGE · 同色高亮 = 定位词
P1Computers can do lots of jobs. They can do maths, store information or play music. You can use a computer to write or to play games. What do you know about the history of computers?
P2The first computers were very big. They were so big that people couldn't have them at home. Early computers could only do simple maths, like calculators. In the 1930s, Alan Turing had an idea for a computer that could be programmed to do different things.
P3In 1958, Jack Kilby invented the microchip. This tiny invention was a big deal! Microchips are very small but can store lots of information. They helped make computers smaller and more powerful.
P4In the 1970s, computers became smaller and cheaper, so people started to use them at home. In the 1980s, computer games became very popular. Lots of people bought computers just to play games.
P5In 1989, Sir Timothy Berners-Lee invented the World Wide Web. It is a computer system that organizes information on the internet. Now people all over the world can search for and share information on the internet.
P6Today people can use smartphones to play games, email and surf the internet. These pocket-sized computers are millions of times faster than old ones! In the past, a simple computer was as big as a room. Now it fits in your pocket!
三、文章精读
INTENSIVE READING · 词性标注 + 句型分析
P1 · 总起
S1Computers can do lots of jobs.电脑能做很多工作。
S2They can do maths, store information or play music.它们能做数学计算、存储信息或播放音乐。
S3You can use a computer to write or to play games.你可以用电脑写作或玩游戏。
S4What do you know about the history of computers?你对电脑的历史了解多少？
P2-P3 · 早期发展
S1The first computers were very big.最早的电脑非常大。
S2They were so big that people couldn't have them at home.它们太大了，人们不能在家里放。
S3Early computers could only do simple maths, like calculators.早期电脑只能做简单的数学计算，就像计算器一样。
S4In the 1930s, Alan Turing had an idea for a computer that could be programmed to do different things.20世纪30年代，Alan Turing 提出了一个想法：制造一种可以编程做不同事情的电脑。
S5In 1958, Jack Kilby invented the microchip.1958年，Jack Kilby 发明了微芯片。
S5bThis tiny invention was a big deal!这个小小的发明可是件大事！
S6Microchips are very small but can store lots of information.微芯片很小但能存储大量信息。
S7They helped make computers smaller and more powerful.它们帮助电脑变得更小更强。
P4-P5 · 普及与联网
S1In the 1970s, computers became smaller and cheaper, so people started to use them at home.20世纪70年代，电脑变得更小更便宜，所以人们开始在家里使用。
S2In the 1980s, computer games became very popular.20世纪80年代，电脑游戏变得非常流行。
S2bLots of people bought computers just to play games.很多人买电脑就是为了玩游戏。
S3In 1989, Sir Timothy Berners-Lee invented the World Wide Web.1989年，Timothy Berners-Lee 爵士发明了万维网。
S4It is a computer system that organizes information on the internet.它是一个在互联网上组织信息的电脑系统。
S4bNow people all over the world can search for and share information on the internet.现在全世界的人都能在网上搜索和分享信息。
P6 · 今昔对比
S1Today people can use smartphones to play games, email and surf the internet.今天人们可以用智能手机玩游戏、发邮件和上网。
S2These pocket-sized computers are millions of times faster than old ones!这些口袋大小的电脑比旧的快数百万倍！
S3In the past, a simple computer was as big as a room.过去，一台简单的电脑有房间那么大。
S4Now it fits in your pocket!现在它能放进口袋里了！
四、作文金句仿写
WRITING BOOST · 黑色为框架，灰色底纹为可替换词
金句 1They were so big that people couldn't have them at home.
The box / The problem / The homework was so big / so difficult / so heavy that people couldn't carry it / I couldn't finish it / we couldn't solve it.
仿写：The homework was so difficult that I couldn't finish it. 作业太难了，我做不完。
适用：so...that... 结果状语从句。
金句 2In the 1970s, computers became smaller and cheaper, so people started to use them at home.
In the 1990s / Last year / Recently, mobile phones / online shopping / e-books became cheaper / became popular / grew fast, so people started to use them / many families bought them / students read more.
仿写：Last year, online classes became popular, so students started to study at home. 去年网课变得流行，所以学生开始在家学习。
适用：描述因果关系的发展过程。
金句 3In the past, a simple computer was as big as a room. Now it fits in your pocket!
In the past / Years ago, a mobile phone / a camera / a radio was as big as / as heavy as / as expensive as a brick / a box / a car. Now it fits in your pocket / weighs almost nothing / costs almost nothing!
仿写：Years ago, a camera was as heavy as a brick. Now it fits in your phone! 多年前相机像砖头一样重。现在它就在你手机里！
适用：今昔对比。