第十五课 Lesson Fifteen 纸 paper 1.生活中经常用到纸、搜集各种各样的纸和纸制品研究一下吧! Life often use paper, collect a variety of paper and paper products to study it! 2.牛皮纸、宜纸、卫生纸、复印纸、信纸、复写纸、书术、纸箱、贺年卡、纸杯等。 Kraft paper, paper, toilet paper, copy paper, letter paper, copy paper, calligraphy, carton, Newyear card, paper cup, etc. 3.造纸术是我国古代四大发明之一。 Papermaking is one of the four great inventions in ancient China. 4.纸发明以前，人们把文字刻在龟甲兽骨上，后来又用竹简或木简做书写材料。 Before the invention of paper, people carved words on tortoise shells and animal bones,and then used bamboo or wood slips as writing materials. 5.早在2000多年前的西汉时期，就有人用植物纤维造纸，但这种纸看起来十分粗糙。 As early as 2000 years ago in the Western Han Dynasty, people used plant fiber paper, but thispaper looks very rough. 6.后来，人们又造出了以丝为原料的丝絮纸，但造价太昂贵。 Later, people made silk floc paper with silk as raw material, but the costwas too expensive. 7.东汉时期，蔡伦改进了造纸方法，用树皮、麻头、破布和旧渔网这些廉价的原料造出了可供书写的纸张，被称为蔡侯纸。 In the Eastern Han Dynasty, Cai Lun improved the method of making paper,using cheap raw materials such as bark, hemp head, rags and old fishing nets to make paper forwriting, known as Cai Hou paper. 8.汉武帝要看的一个奏本，竞用了3000片竹简，要两个人抬进宫去 Emperor Wu of the Han Dynasty to see a play book, competing with 3000 pieces of bamboo slips,two people to carry into the palace 9.汉代造纸工艺流程图 Flowchart of Papermaking Process in Han Dynasty 8.我国的造纸术报早就传到了世界各她 China's paper-making technology has long spread to all over the world 9.西汉的“灞桥古纸” Western Han Dynasty "Baqiao Ancient Paper" 10.研究各种各样的纸。 Study all kinds of paper. 11.生活中的纸和纸制品 Paper and paper products in life 12.做对比实验 Compare experiments 13.这种纸很结实 This paper is strong 14.这种纸。。 This paper. . 15.我发现。。 I found out. . 16.这是我观察纸的吸水能力的实验方法. This is my experimental method of observing the water absorption ability of paper. 17.观察记录 Observation records 18.牛皮纸 Kraft paper 19.餐巾纸 Napkins 20.光滑程度 Smoothness 21软硬程度 Soft and hard 22.吸水能力 Water absorption capacity 23.给纸排队 Feed line 24.纸的名称 Name of paper 25.光滑——粗糙 Smooth and rough 26.纸与我们的生活有什么关系? What is the relationship between paper and our life? 27.节约纸张就是节约能源。 Saving paper means saving energy. 28.资料卡 Zikeka 29.小调查:我每年要消耗多少纸? Little survey: how much paper do I consume every year? 30.每年消耗的书本30~40本 30-40 books consumed per year 31.每年使用的练习本30~35本 30 ~ 35 exercise books are used every year 32.其他纸张，草稿纸2~3本，做手工的纸20张 Other paper, draft paper 2 ~ 3, do manual paper 20 33.每个学生都是用纸“大户”! Every student is a big user of paper! 34.一箱A4复印纸需要一棵成年大树做原材料，一个经营规模不大的经销商每年就要销售7000箱左右，一年就相当于毁掉了一大片成年树林。 A box of A4 copy paper needs an adult tree as raw material. A small-scale dealer sells about 7000 boxes a year, which is equivalent to destroying a large area of adult forest. 35.我国造纸工业每产1吨纸，需耗用水100立方米，而国外纸厂每吨纸仅耗用水10~20立方米，甚至低于10立方来。 China's paper industry consumes 100 cubic meters of water per ton of paper, while foreign paper mills only consume 10 ~ 20 cubic meters of water per ton of paper, even less than 10 cubic meters. 36.召开关于“纸与生活关系”的讨论会。 Hold a seminar on the relationship between paper and life. 37.纸可以回收再利用 Paper can be recycled 38.我们要节约用纸。 We should save paper. 39.纸的用途可真大呀 How useful is paper 40.纸的未来 The future of paper 41.要注意回收废纸! Pay attention to recycling waste paper! 42.从现在开始就要注意节约每一张纸，让我们举行一次节药用纸的宣传活动吧! From now on, we should pay attention to saving every piece of paper. Let's hold a publicity activity of saving medicine paper! |
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