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(共24张PPT)
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 an inventor How will you realize your dream
Share it with your classmates.
阿基米德
1. He was a great thinker (which/that/who) had many wise ideas about human nature and behavior.
2. He was also a famous philosopher (which/that/who/whose) wise sayings have influenced many people in different countries.
3. He was a Ming dynasty explorer (which/who/whom) we Chinese people are proud of.
Grammar
Attributive clauses (Ⅲ)
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
Language points
拓展提升
1. Before it was invented, sailors had to depend on the star to find the right direction.
在它被发明之前，水手们必须依靠星星才能找到正确的方向。
depend on 依赖；相信
e.g. Children depend on their parents for food and clothing.
小孩依赖父母供给衣食。
2. At first, it was used for making fireworks.
起初，它被用来制作烟花。
be used for 用来做……
e.g. Some of the space will at first be used for storage.
一部分空间将首先用于贮藏。
3. He carved characters on pieces of clay or wood, and then brushed ink on them.
他在泥土或木头上刻字，然后在上面刷墨。
pieces of 碎片
e.g. She put the pieces of card in her pocket.
她把那些硬纸片放进了口袋。
当堂检测
一、根据首字母填空，完成句子。
1. A pen is an instrument used in writing with i___.
2. G_________ is one of inventions by the Chinese.
3. After a few days on shore the s_____ joined his ship.
4. They are used in f________ displays to celebrate great events.
5. P________ was first invented by the Chinese.
nk
irework
ailor
rinting
unpowder
课堂总结
关系代词引导的定语从句
谈论中国的四大发明
Unit 5 Topic 2
Section D

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