(
课件网) Unit 5 China and the World Topic 2 Section D 学习目标 重点探究 自主学习 学习导航 当堂检测 课堂总结 拓展提升 新课导入 What are the Four Great Inventions of ancient China Who invented them 学习目标 能熟悉并正确运用本课时的重点单词和短语 能灵活运用关系代词引导的定语从句 能用英语谈论中国的四大发明 自主学习 New words and expressions gunpowder n. 火药 printing n. 印刷；印刷术 sailor n. 水手，海员 discovery n. 发现 firework n. 烟花；焰火 Arab n. 阿拉伯人 adj. 阿拉伯的，阿拉伯人的 eastern adj. 东方的；东部的 bark n. 树皮；狗叫声 v. 狗叫 rag n. 破布，抹布 clay n. 黏土 ink n. 墨水，油墨 gunpowder Gunpowder is a kind of powder, it can be used in the bullets. gun + powder Look and Say firework We can use gunpowder to make firework. fire + work sailor The sailors often use the compass when they are sailing. sail printing n. Printing is one of China's four inventions. print v. 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. [kle ] [ k] ink 重点探究 1a 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 _____ 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 _____ It is one of the greatest inventions. It is said that in the 3rd century a Chinese man wrote about how to make it. At first, it was used for making fireworks. At the end of the Tang dynasty, people began to use it in wars. The method of making it was brought to the Arab world and Europe in the 13th and 14th centuries. Gunpowder _____ Before it was invented, the ancient Chinese carved characters on animal bones and stones. China was the first country in the world to make it. During the Western Han dynasty, it was made in some places in China, and was developed in the Eastern Han dynasty by Cai Lun. He made it with bark, ropes and rags. Paper-making _____ It was developed in the Song dynasty by Bi Sheng. He carved characters on pieces of clay or wood, and then brushed ink on them. After the characters were printed on paper, the pieces of clay or wood could be used again. Later this technology spread to Korea, Japan and Europe. It was the basic method used at that time. Printing 1. How did the sailors find the right direction before the compass was invented Sailors had to depend on the star to find the right direction. 2. When was the method of making gunpowder brought to the Arab world and Europe In the 13th and 14th centuries. 3. What did Cai Lun use to make paper at that time He used bark, ropes and rags. 4. What was the advantage of Bi Sheng’s printing technology The pieces of clay or wood could be used again. 1b Read 1a and answer the questions. 5. Do you want to be ... ...
