Unit 5 课时5 Section B 1a-1f（大单元教学课件）英语新教材人教版九年级上册

nullSection b how do we turn ideas into reality? Section b activity one, be read the text and match each paragraph with its topic. An invention that change the world. Can you imagine a world without books, newspapers or magazines? All of these things depend on one invention. Paper making IT more than any other invention was responsible for the rapid spread of information that shaped our modern world. In ancient china, many different materials were used to write on, such as animal bones, bronze wear, stones, wood, bamboo and even silk. In the western hand dynasty, there was also a very early form of paper made from jude, a fiber that comes from plants. However, all of these materials were either difficult to use in store or very expensive. As the head officer of the palace workshop for the emperor in the eastern hand dynasty, cylon became interested in trying to solve the problem. Different methods for creating something to write on were tried, but none were ideal. In his time, some kinds of buck, the outer parts of trees were used to make clothes. From past experiences, salon got the idea that bark certain plants and old clothes s could be used to make a special material suitable to write on. In the first step of cylons experiment, all the ingredients were mixed and boiled in water. Then this material was beaten, cut up and mixed with water again. Next, the liquid was pour over a bamboo screen, leaving just the fiber. Finally, this fiver was dried and pressed to form paper. To everyone s surprise, this paper was soft, light, easy to make and use, and most importantly, cheap. In one hundred and five C. E, sellon showed his creation to the emperor. The emperor was very pleased and praised sil on for his great work. Later on, the paper making technique not only speeded up the development of chinese culture, but also change civilizations around the world. IT first spread to china's neighbouring countries and finally reached europe through arab countries in the twelve century, when the use of paper and printing came together in later centuries IT LED to a rapid increase in the number of books. This resulted in a new birth of knowledge creating the world we have today. 纸。Paper纸was a chinese . invention two thousand years ago，chinese invented paper making. This, too, was made of soup and was so expensive that only the emperor and aristocrats could afford to use IT. One thousand nine hundred years ago, a unique called泰伦improved the paper making process。He made cheap pink out of three barking rags. The improvement in paper making spread to foreign White and many different types of纸were invented by chinese people。One paper, a kind of high quality rice paper, best shows the charm of traditional chinese painting and collection phy. Jute paper is used to be transcribed chinese classics. Later, chinese drew was spread to west. Through the silk road, thousands of years of culture and civilization were recorded on you and past two different parts of the world. 纸。 Section B 1a-1f Unit 5 The Changing World 01 Lead-in 02 Pre-reading 03 While-reading 04 Post-reading 05 Language points 06 Exercises Contents 07 Summary 08 Homework Learning Objectives 01 能读懂文本，理解**蔡伦造纸**的背景、造纸工序；识别一般过去时被动语态以及时序连接词，读懂 “问题 — 方案 — 影响” 的文章结构。（学习理解）。 02 能运用一般过去时被动语态和时序词，按顺序描述造纸的完整步骤，复述造纸过程;能分析文本 的行文逻辑，梳理蔡伦改进造纸术的贡献，开展简单评价(应用实践)。 03 了解造纸术是改变世界文明的中国伟大发明，树立文化自信，理解中国古代发明对世界文明发展的价值，能向他人介绍中国传统科技文化。(迁移创新)。 通过本节课的学习，学生能够： 01 Lead-in What material are these things made of? Find more things that are made of this material. paper Now let’s enjoy a video to know more about it. 02 Pre- reading Title: An Invention That Changed the World an invention papermaking The passage is mainly about ____________________. What invention is the text about? 03 While- reading Read the text and match each paragraph with its topic. What’s the structure of this passage? What’s the main idea of each part? A. ①②/③④/⑤ B. ①/②/③④/⑤ C. ①②/③/④⑤ Part 1(para.1): introduction Part 2(para.2): problem Part 3(para.3&4): solution Part 4(para.5): impact Common structure about inventions: Problem → Solution → Impact. Find out what these pronouns from the text refer to. 1c It in Paragraph 1: ________ It in Paragraph 5: ________ it in Paragraph 5: ________ This in Paragraph 5: ________ Understanding reference words Noticing what pronouns refer to will help you understand how different parts of the reading are connected. Tips: Locate pronouns and find matching nouns ahead. papermaking the papermaking technique the use of paper and printing a rapid increase in the number of books Read again and complete the table. 1d Question Material to write on before Cai Lun Cai Lun’s paper What was it like? What was used to make it? difficult to use and store very expensive animal bones, bronze wares, stones, wood, bamboo, and even silk soft, light, easy to make and use cheap bark, certain plants, and old clothes Para.2 Para.3&4 In the first step of Cai Lun’s experiment, all the ingredients were mixed and boiled in water. Then, this material was beaten, cut up, and mixed with water again. Next, the liquid was poured over a bamboo screen, leaving just the fibre. Finally, this fibre was dried and pressed to form paper. To everyone‘s surprise, this paper was soft, light, easy to make and use, and most importantly, cheap. In 105 CE, Cai Lun showed his creation to the emperor. The emperor was very pleased and praised Cai Lun for his great work. A. The material was beaten, cut up, and mixed with water. B. All the ingredients were mixed and boiled in water. C. The fibre was dried and pressed to form paper. D. The liquid was poured over a bamboo screen, leaving just the fibre. Put the sentences in order. Then retell the process of making paper in your own words. 1e 04 Post- reading 1f Discuss the questions. 1. What other ancient Chinese inventions do you know? How was the world changed by them? I know the compass, gunpowder and printing. The compass helped people travel and explore the world. Gunpowder changed wars and later helped with mining and construction. Printing made knowledge spread more easily around the world. 2. What qualities do you think a great inventor has? A great inventor should be creative, hard-working and patient. They need to observe life carefully, try many times, and never give up when they fail. 05 Language Points 1. It, more than any other invention, was responsible for the rapid... Language Points responsible /rɪˈspɒnsəbl/adj. 作为原因的；有责任的 用法：形容词，常与 for 搭配，表对… 负责、是… 的原因 搭配：be responsible for 对… 负责；引起 同义：accountable 有责任的 词形变换：responsibility n. 责任 例句：He is responsible for this project.（他负责这个项目。） 2. ...for the rapid spread of information that shaped our modern world. Language Points shape /ʃeɪp/v. 塑造 n. 形状 词形变换：shapes pl. 用法：名词表形状，动词表塑造、影响 同义：form 形状；mould 塑造 搭配：in the shape of 呈… 形状；shape one's life 塑造人生 例句：Clouds have different shapes.（云朵有不同的形状。） 3. This resulted in a new birth of knowledge. Language Points result in 造成；导致 用法：动词短语，后接结果，主语为原因 搭配：result in trouble 导致麻烦；result in failure 导致失败 例句：Carelessness will result in mistakes.（粗心会导致错误。） 同义：lead to 导致 lead to success 导致成功；lead to problems 导致问题 Hard work leads to success.（努力工作会带来成功。） 4. This resulted in a new birth of knowledge. Language Points birth /bɜːθ/n. 起源；诞生 用法：不可数名词，指出生、诞生 搭配：give birth to 诞生；the birth of …… 的诞生 例句：The birth of the computer changed the world.（电脑的诞生改变了世界。） 同义：beginning 起源 词形变换：bear v. 生育→born 过去分词 5. “ later on ” 意为后来；其后，可表阶段递进，暗含“经历一段 时间、发生一些事后”。 Language Points 句法功能 • 句首状语（最常用） 修饰整个句子，表时间过渡，必须加逗号，对应课文用法： 例：Later on, the papermaking technique not only speeded up... （后来，造纸术不仅推动了……） • 句末状语 修饰动词/整句，不加逗号，口语化更强： 例：We’ll talk about this matter later on. （我们稍后再谈这件事。） 06 Exercise 一. 用括号内所给单词的适当形式填空 1. This quiet park is a ___________ (suit) place for reading and relaxing. 2. There are some huge ___________ (stone) on the path. Be careful not to trip over them. 3. After years of planning, their dream of building a smart home finally became a ___________ (real). 4. Two police ___________ (office) were directing traffic at the busy crossroads. 5. The beautiful clay pot is my own ___________ (create). I made it in the art class. suitable stones reality officers creation 07 Summary Summary New words reality, papermaking, responsible, rapid, shape, bronze, ware, stone, jute, fibre, expensive, officer, workshop, none, ideal, bark, certain, suitable, liquid, cheap, creation, Arabic, birth Expressions responsible for sth, later on, speed up, result in, lead to Sentences ① However, all of these materials were either difficult to use and store, or very expensive. ② This resulted in a new birth of knowledge, creating the world we have today. 08 Homework Homework Need to do: 复习并将本课所学内容形成重点笔记. Choose to do: 采访你的同学或伙伴描述他们了解的中国古代发明，然后用英语完成采访描述。 Thank you! $