Unit 5 Topic 2 Section D 课件 2024-2025学年仁爱科普版九年级英语下册

仁爱科普版九年级英语下册 5.2 Section D What do you know about the Four Great Inventions of ancient China? Brige-in The science today is the technology of tomorrow. Unit 5 China and the World Topic 2 He is really a pride of China. Section D 一、短语速记 1.依靠；依据　depend on　  2.在……的帮助下　with one’s help＝with the help of　  3.据说　it is said that 　  4.最……之一 　one of the＋最高级＋复数　  depend on with one’s help＝with the help of it is said that one of the＋最高级＋复数 8.扩散到……　spread to...　  spread to... 5.被用来做　be used for doing/to do　  6.在……末尾　at the end of ...　  7.被引进　be brought to　  be used for doing/to do at the end of ... be brought to 二、句子速译 1.指南针被发明之后，海洋就开放航行了。 After it was invented， the oceans were open to sail.  2.起初，火药是用来做烟花的。 At first， it was used for making fireworks.  After it was invented， the oceans were open to sail.  At first， it was used for making fireworks.  3.During the Western Han dynasty， it was made in some places in China， and was developed in the Eastern Han dynasty by Cai Lun. 西汉时期，中国的一些地方制造纸张；东汉时期，造纸由蔡伦发展起来。 西汉时期，中国的一些地方制造纸张；东汉时期，造纸由蔡伦发展起来。 sailor The sailors often use the compass when they are sailing. sail printing n. Printing is one of China's four inventions. print v. 注意1： that/which在代物时常常可以通用, 但有时只宜于用which ,不用that 关系代词前有介词时.　 This is the hotel in which you will stay. 如有两个定语从句,其中一句的关系代词是that,另一句宜于用which. Let me show you the novel that I borrowed from the liberary which was newly open (新开放) to us. 　　 一、想一想 预习课本1a，回答下列问题。 1.Who had to depend on the star to find the right direction before the compass was invented？ Sailors. 2.What was the gunpowder used for at first？ Gunpowder was used for making fireworks at first.  Sailors. Gunpowder was used for making fireworks at first.  1.有两个定语从句,其中一个关系代词已用which,另外一个宜用that Edison built up a factory(办了一个工厂) which produced things that had never been seen before. clay At first, Bi Sheng carved characters on pieces of clay or wood. Then, he brushed ink on them. Now he could print the characters. [kleɪ] [ɪŋk] ink 注意2：that/which在代物时常常可以通用，但有时只宜于用that ,不用which. 1.先行词是形容词最高级或者它的前面有形容词最高级时 English is the most difficult subject that you will learn during these years. 2.先行词是序数词,或它的前面有一个序数词时 He is the last person that I want to see. 重点探究 Look at the pictures and match the Four Great Inventions of ancient China with them. A. gunpowder B. printing C. paper-making D. compass D C A B 1.Everyone may know the girl. Her father is called Fang Gang. ———————————————————————————— 2.Yuan Longping is a scientist. He developed hybrid rice. ———————————————————————————— 3.Zheng He was an explorer. He led seven ocean journeys. ———————————————————————————— Everyone may know the girl whose father is called Fang Gang. Yuan Longping is a scientist who developed hybrid rice. Zheng He was an explorer who led seven ocean journeys. 一、将以下句子合并为含定语从句的复合句 19 Could you tell me more about him? 你能告诉我更多关于他的情况吗？ It’s hard to believe! 真是让人难以相信! What a great explorer! 多么伟大的探险家啊! Functions 通过以 活动小结 通过以上的活动，我们可以知道：who引导的定语从句：若先行词指_____则代替先行词在定语从句中充当______或______，如果前面带介词则必须用______;______在定语从句中做定语，既可以指_____,也可以指______。 人 主语 宾语 whom 人 物 whose 了解中国古代的四大发明 Could you tell me the name of the four great inventions in English? gunpowder printing paper-making compass ___________ It was a great gift to the world from ancient China. Before it was invented, sailors had to depend on the star to find the right direction. After it was invented, the oceans were open to sail. And many discoveries were made with its help. Compass Summary 1.Words and phrases: discovery, eastern, depend on , at the end of … 2. Sentences: 1) And many discoveries were made with its help. 2) China was the first country in the world to make it. 24 下节再见 25 Lavf58.20.100 Lavf58.20.100 Lavf58.20.100 119331.18 $$