Unit 3 Great Ideas Theme Reading课件2026-2027学年仁爱科普版英语九年级上册

In this unit, you will learn to: • introduce the great inventions in the world. • be creative in your daily life. • use the text clues to understand the author’s viewpoint. • use the reading strategy of rereading. • design your dream invention. Big Question: What is invention in your eyes? u UNIT 3 Theme Reading Exploring the Topic Great inventions of ancient China 学习目标 通过本节课的学习，同学们将能： 1. 掌握与四大发明相关的核心词汇、短语及句式，准确理解文本内容。 2. 运用不同阅读策略，从文本中提取四大发明的关键信息。 3. 基于文本信息，用英语介绍四大发明的发展脉络与历史影响。 4. 理解四大发明对人类文明进程的推动作用，形成对中华优秀传统文化的正确认知。 Activity 1 Pair work. Match the pictures with the four great inventions of ancient China, and then talk about what people used them to do in ancient times. printing paper-making compass gunpowder Watch a video about the four great inventions and write down some basic information about each invention. compass Over 2,000 years ago, Chinese found lodestone pointing north. Sailors used compasses and didn’t only depend on stars for directions. It helped people find their way and spread to other lands. magic stones（天然磁石）是原材料，加工之后就变成罗盘（compass）里的磁针 magnetic needle。 Tips paper-making In the past, people wrote on bamboo or silk. During the Eastern Han Dynasty, Cai Lun improved paper-making technology. He mixed tree bark, old rags and fishing nets. It made reading and sharing knowledge much easier. spread knowledge around the world printing In the Tang Dynasty, people started using woodblock printing. In the Northern Song Dynasty, Bi Sheng invented movable type printing. Printing made books cheaper and faster to produce. More people got chances to read and learn. gunpowder At first, gunpowder was used in fireworks to celebrate festivals. Later it was also used in weapons. was brought to other lands and changed the world What do you think of these inventions? gifts, speeded up the development of human society four stars, lit up the whole world Learn the new words and phrases. gunpowder n. 火药 printing n. 印刷；印刷术 paper-making n. 造纸术 compass n. 罗盘，指南针 position n. 地位；等级；位置 fishing n. 钓鱼；捕鱼业 net n. 网；网状物 sailor n. 水手；海员 magnetic adj. 有磁性的，磁的 needle n. 针 disk n. 圆盘；磁盘 war n. 战争 Arab n. 阿拉伯 adj. 阿拉伯的；阿拉伯人的 movable adj. 可移动的 print v. 印刷；打印 drug n. 药；药物 hold a leading position (in)（在······）处于领先地位depend on 依赖于；取决于 movable type printing 活字印刷术 Activity 2 Read the text. Reread anything you don’t understand and take notes. Activity 2 Read the text. Reread anything you don’t understand and take notes. Four great inventions: 1. Paper-making: 2. Compass: 3. Gunpowder: 4. Movable type printing: Effect: Cai Lun improved it. Books became easier to make. Invented in Northern Song Dynasty. Helped sailors find directions. Invented by accident. Used for fireworks and wars. Invented by Bi Sheng. Characters could be reused. They speeded up the development of human society. Activity 3 Read the text again and complete the chart with the main idea of each paragraph. great examples showing China’s leading science and technology in ancient times make books find the right direction for sailing was used in wars and spread abroad spread knowledge were gifts to the world and speeded up the development of human society Activity 4 Read the text again and complete the following chart. Clues Paper-making technology made it easier to make books. Before the invention of the compass, sailors around the world had to ________________ to find the right direction. The technology of making gunpowder was brought to ___________________ in the 13th century. Movable type printing helped spread knowledge faster around ___________. Author’s Viewpoint depend on stars the Arabic world and Europe the world The four great inventions of ancient China helped speed up the development of human society. Retell the passage Intro: four great inventions of ancient China 1. Paper-making 【基础必说】made it easier to make books 【自选添加】Cai Lun, Eastern Han Dynasty; made from fishing nets, ropes and other cheap materials... 2. Compass 【基础必说】helped sailors find the right direction 【自选添加】magnetic needle on luopan; Before its invention, sailors depended on stars... 3. Gunpowder 【基础必说】first used in fireworks, later used in wars; spread to the Arab world and Europe 【自选添加】invented by accident, in the 13th century... 4. Movable type printing 【基础必说】helped spread knowledge around the world 【自选添加】Bi Sheng, Northern Song Dynasty; characters made on special soil pieces and could be reused... Conclusion: speeded up the development of human society 1. Movable type printing is a ____________ (tradition) Chinese printing technology. 2. With the efforts of Tu Youyou and other ____________ (science), China successfully discovered Qinghaosu, a very helpful drug. 3. With the ____________ (develop) of science, an amazing number of new things are being discovered and invented. 4. In ancient China, many different ____________ (material) were used to make paper. 5. China is still the world’s factory, and China’s ____________ (produce) are popular all over the world. traditional scientists development materials products Activity 5 Complete the sentences with the correct form of the given words. Language points 1. For a very long time, Chinese science and technology held a leading position in the world.长期以来，中国的科技在世界上处于领先地位。 【点拨】hold a leading position in... 在······领域处于领先地位 2. A good example was the four great inventions of ancient China: paper-making, the compass, gunpowder and printing.一个很好的例子就是中国古代的四大发明：造纸术、指南针、火药和印刷术。 【点拨】(1) 句子结构：主语＋系动词＋表语(主系表结构) (2) 书面表达高频举例句型A good example is...，同义短语有for example, take sth for example, such as。 e.g. Online shopping changes our lifestyles. A good example is Taobao.网上购物改变了我们的生活方式。淘宝就是一个很好的例子。 3. Before the compass was used for sailing, sailors around the world had to depend on stars to find the right direction.在指南针被用于航海之前，世界各地的水手不得不依靠星星辨别正确方向。 【点拨】(1) 句子结构：Before引导的时间状语从句＋主句 (2) be used for doing＝be used to do 被用来做某事 (3) depend on sb to do sth 依靠/指望某人去做某事 e.g. We depend on scientists to create new inventions.我们依靠科学家创造新发明。 【拓展】(1) depend on sb/sth 依靠某人/某物 e.g. We depend on nature.我们依靠大自然。 (2) depend on doing sth 依靠做某事 e.g. He depends on working hard to succeed.他依靠努力工作获得成功。 4. Together they speeded up the development of human society.它们共同推动了人类社会的发展进程。 【点拨】(1) together(一起)是副词，置于句首，作方式状语，起到强调作用。 (2) speed up 加速 (3) the development of... ······的发展 5. He made characters on special soil pieces so that they could be reused later to print other books.他在特制的陶土块上刻字，这样这些字模之后可以被重复使用来印刷其他书籍。 【点拨】(1) 句子结构：主句＋so that 引导目的状语从句，表目的。 e.g. People invent new tools so that they can work better.人们发明新工具，以便可以更好地工作。 【拓展】so＋形容词/副词＋that (引导结果状语从句)　含义：如此······以至于······ e.g. The invention was so great that it changed the whole world.这项发明如此伟大，以至于改变了全世界。 (2) could be reused 情态动词的被动语态 e.g. The old works should be kept well.这些古文物应当被妥善保存。 6. With the development of science, an amazing number of new things are being discovered and invented.随着科学的发展，数不胜数的新事物不断被发现和发明。 【点拨】(1) with the development of science(with＋名词短语)，这是with复合结构，在句首充当伴随状语，译为“随着科学的发展”。 (2) 现在进行时的被动语态结构：am/is/are＋being＋动词的过去分词　含义：此时此刻正在被······ e.g. Lots of new things are being invented nowadays.如今许许多多的新事物正在被发明出来。 Exercise 一、单项选择 1. We can’t only _______ machines to finish all the work. A. depend on   B. take on  C. put on   D. carry on 2. Paper-making _______ a leading position _______ the world long ago. A. holds; in   B. held; in   C. held; at   D. hold; on 3. The new tool _______ the progress of farming in old days. A. speeds up   B. speeded up   C. speeding up  D. speed up 4. Many new inventions _______ at present. A. are inventing   B. are being invented   C. were invented   D. will invent 5. People created movable type printing _______ books could be printed quickly. A. so that  B. in order to  C. such that   D. because of 6. Take the compass _______. It helped sailors a lot in the past. A. for example   B. for an example   C. as example   D. such as A B B B A A 二、句型转换，句意不变 1. He gets up early so that he won’t be late for school.(用so...that...改写) 2. As the sun rose, the fog began to disappear.(用 “with＋名词短语” 改写) 3. With the growth of population, people are discussing the problem of housing more actively.(改为现在进行时的被动语态) 4. We must take good care of the old books in the library.(改为被动语态) 5. New energy plays an important role in modern life.(用hold a leading position in改写) He gets up so early that he won’t be late for school. With the sun rising, the fog began to disappear. With the growth of population, the problem of housing is being discussed more actively by people. The old books in the library must be taken good care of by us. New energy holds a leading position in modern life. THANKS Lavf59.27.100 null 147480.0 $