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 (可視電話).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 (可獲得的) at any time.At present,people can use the IPTV( 網(wǎng)絡(luò)電視) 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 (計算).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 第一部電話是由亞力山大格雷厄姆貝爾在1876發(fā)明的.它使交流變得容易.但電話只能固定在郵局,人們不得不去那里打電話而且費用很高.后來,手機是1973年在美國發(fā)明的.這是一個最有用的發(fā)明.人們可以使用手機更容易與他人交流.他們可以在任何地方打電話,甚至可視電話.手機有很多其他功能,如發(fā)送短信、拍照和在線閱讀.
第一臺電視機是一個英國科學(xué)家約翰貝爾德,在1926年發(fā)明的.這個發(fā)明使得人們在家看電影而不是去電影院.一開始,電視臺播出的是黑白畫面.幾年后,彩色電視機讓畫面活潑.然而,他們又大又重,所以很難搬動.然后,數(shù)字電視應(yīng)運而生.他們輕薄.許多電視節(jié)目都可以在任何時候觀看.目前,人們可以用IPTV(網(wǎng)絡(luò)電視)記錄和重播節(jié)目.
第一臺現(xiàn)代計算機是于1946年在美國發(fā)明的,它有一個房間那么大.它提高了速度和精確計算.在上世紀(jì)50年代,臺式電腦在同一個國家發(fā)明.他們變小了,可以放在桌子上.此后,他們在工作休閑領(lǐng)域成為非常重要的東西.在上世紀(jì)70年代以前,電腦是單一的.互聯(lián)網(wǎng)的加入使其連接成一個大家庭,所以他們可以互相分享信息.1985年左右,筆記本電腦在日本發(fā)明.他們小得多,可以放在包里.他們很輕,方便攜帶.
解答 51.答案D 細節(jié)理解題 由文中 Later,a cellphone was developed in 1973in America 可知 后來,手機是1973年在美國發(fā)明的,故選D
52.答案A 細節(jié)理解題 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 第一臺電視機是一個英國科學(xué)家約翰貝爾德,在1926年發(fā)明的.這個發(fā)明使得人們在家看電影而不是去電影院,說明在1926年之前人們?nèi)ル娪霸嚎措娪埃蔬xA
53.答案D 細 節(jié)理解題 由文中 Around 1985,laptops were developed in Japan可知 1985年左右,筆記本電腦在日本發(fā)明,故選D
54.答案A 細節(jié)理解題 由文中 It was as big as a room.It improved the speed and exactitude of calculation 可知 它有一個房間那么大.它提高了速度和精確計算,故選A
55.答案D 理解判斷題 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 互聯(lián)網(wǎng)的加入使其連接成一個大家庭,所以他們可以互相分享信息,故選D
點評 本文較為簡單,大部分題目都是細節(jié)理解題,只要理解文章意思,仔細閱讀,從文中尋找答案,即可輕松解答.
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