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Page 1: Chinese people English people Russian people American people
Page 2: Chinese people English people Russian people American people

Chinese people

English people

Page 3: Chinese people English people Russian people American people

Russian people American people

Page 4: Chinese people English people Russian people American people

Chinese people

English people

American people

Russian people

Page 5: Chinese people English people Russian people American people

Chinese people are very clever.

Chinese people invented important things.

inventedinvent---- 发明

important  重要的

Page 6: Chinese people English people Russian people American people

Cai Lun   invented   paper.

Page 7: Chinese people English people Russian people American people

Chinese people invented paper.

Page 8: Chinese people English people Russian people American people

主要原料檀木,荛花(雁花),菠萝叶,草木灰,竹子,马拉巴粟树糊等 一、取檀木,雁皮(荛花)等树皮,捣碎,加入草木灰等用蒸煮 .二、再将蒸煮过的树皮原料,放于向阳山上,日晒雨林,不断翻覆,让树皮自然变三、将树皮原料等碾碎,浸泡,发酵,打浆,加入树糊调和成四、用抄纸器将捣好的纸浆,抄成纸张五、将抄好后纸张,置于阳光晒干

Page 9: Chinese people English people Russian people American people

Bi Sheng invented printing.印刷术

print---printing

印刷

Page 10: Chinese people English people Russian people American people

Chinese people invented printing.

Page 11: Chinese people English people Russian people American people

  毕升他根据实践经验,发明胶泥活字印刷技术。这一技术未及推广,毕升就去世。他的字印为沈括家人收藏,其事迹见《梦溪笔谈》卷十八。活字印刷术具有一字多用、重复使用、印刷多且快、省时省力、节约材料等优点,比雕板印刷术有了质的飞跃,对后世印刷术乃至世界文明的进步,有着巨大而深远的影响。

Page 12: Chinese people English people Russian people American people

book newspaper

We print books and newspapers.

Page 13: Chinese people English people Russian people American people

 指南针是用以判别方位的一种简单仪器。指南针的前身是中国古代四大发明之一的司南。主要组成部分是一根装在轴上可以自由转动的磁针。磁针在地磁场作用下能保持在磁子午线的切线方向上。磁针的北极指向地理的南极,利用这一性能可以辨别方向。常用于航海、大地测量、旅行及军事等方面。

Chinese people invented compass. 指南针

Page 14: Chinese people English people Russian people American people

Chinese people invented   powder.  火药

Page 15: Chinese people English people Russian people American people

 中国四大发明之一。人类文明史上的一项杰出的成就。

  低爆速炸药的一类。可由火花、火焰等引起燃烧的药剂。燃烧时发生大量的气体,具有爆破作用或推动作用 ( 使物体如弹丸以一定的速度发射出去 ) 。最早应用的是我国发明的黑色火药。根据燃烧时的性质,可分为有烟火药( 燃烧时发烟,如黑色火药 ) 和无烟火药两类。

主要用作引燃药或发射药。  火药又被称为黑火药。是在适当的外界能量作用

下,自身能进行迅速而有规律的燃烧,同时生成大量高温燃气的物质。在军事上主要用作枪弹、炮弹的发射药和火箭、导弹的推进剂及其他驱动装置的能源,是弹药

的重要组成部分。  火药是中国人发明的,距今已有一千多年了。火

药的研究始于古代炼丹术。

Page 16: Chinese people English people Russian people American people

P owder was very dangerous.