21世紀小小百科(科技卷)

內容概要

　　《21世紀小小百科（科技卷）》是一本獻給孩子們的小小百科。在這里面，呈現(xiàn)的是一個神奇的大千世界和我們?yōu)楹⒆哟蜷_智慧之窗的愛心。我們產(chǎn)生寫這本書的愿望，那是因為我們的面前總在撲閃著一雙雙孩子們好奇的眼睛，他們正那么驚訝地看著并幻想著這個千奇百怪的世界。

書籍目錄

一、改變人類生活的發(fā)明1.文明的開始——火與石2.農(nóng)業(yè)的發(fā)展——鐵木農(nóng)具3.偉大的貢獻——四大發(fā)明4.神奇的力量——蒸汽機5.全新的動力——電氣化6.聰明的腦袋——計算機二、食品與服裝的加工技術1.美味食品及其加工2.漂亮服飾及其制作三、玩具和日常用品1.啟迪智慧的玩具2.功能多樣的文化用品3.豐富生活的家用電器四、房屋和橋梁建筑1.各具特色的房屋2.橫跨空中的橋梁五、交通工具1.奔馳大地的汽車2.風馳電掣的火車3.乘風破浪的輪船4.翱翔藍天的飛機六、信息傳遞技術1.傳播廣泛的書報2.四通八達的郵電通信3.迅捷形象的廣播電視4.未來世界的信息技術七、探測宇宙的空間技術1.飛向廣闊的太空2.探索神秘的宇宙3.未來的太空世界

章節(jié)摘錄

　　against large ones with sticks and stones.Later， by living and working together，theybegantoliveingroups，thusbecoming primitive men.Primitive menwere able to strike stones into stonewares，grind the bones of wild animals into boneneedles with which they sewed animalskins into clothes.It took primitive men a very long timeto find two ways of making fire： one is todrill a piece of sharp wood against another the other is to beat or strike with flints.With fire， they could eat cooked food atany time. In working， they also learned tohunt and fish with nets made of ropes， totame and raise livestock， and to plantcrops.This unit is to give children basicknowledge about the process of humandevelopment and help them understandthat the use of fire and stonewares was thefirst step towards civilization.

圖書封面

評論、評分、閱讀與下載

---

    21世紀小小百科(科技卷) PDF格式下載

---