课件42张PPT。牛津英语6B M2U5 Lu Ban and the sawWe know：The British invented theCai Lun invented the _____.Edison invented the _____.Many inventions changed our lives.The American invented the_____ invented theBell温故知新Who is he?Where is he from?When was he born?the Spring and Autumn (春秋时期).Lu State(鲁国）A long time ago, it was the Spring and Autumn (春秋时期).The emperor of Lu State ordered(命令) to build a big palace in a short time.At that time，the tools were very poor.The workers couldn’t cut trees easily.
They worked very hard. There was a craftsman. His name was
Lu Ban. Lu Ban and some workers were at work on a mountain.They cut trees day and night.poor toolsbuild a big palace...
It takes one day to carry them back. So slowly!It takes 5 hours to cut a tree. So tired!1.Who helped them?2.How helped them?1.Who helped them?2.How helped them? What’s wrong with Lu Ban? _________was hurt.His fingerRead the pictureOne day, Lu Ban was at work on a mountain.
A leaf cut his finger. He thought, “How could such a small leaf hurt my finger?” Read and find What hurt his finger?One day, Lu Ban was at work on a mountain.
A leaf cut his finger. He thought, “How could such a small leaf hurt my finger?” Read and underlineWhat did Lu Ban do? think-thought如此的One day, Lu Ban was at work on a mountain.
A leaf cut his finger. He thought, “How could such a small leaf hurt my finger?” What did Lu Ban do next? Read and answer There were many teeth on the leaf, and the teeth were sharp. He looked at the leaf carefully. What did Lu Ban find?sharp teethThere are many __________on leaf___.sharp teethABABHe wanted to _________ with __________.make a toolsharp teethRead and sayeasilycutBecause it could ____ the things ______.Look and say_____has sharp teeth.
It can ______easily. “Could I make a tool with teeth like these? I could cut things with it easily,” Lu Ban said to himself.He looked at the leaf carefully. There were many teeth on the leaf, and the teeth were sharp. Act in pairscut/thought looked at…carefully/
said to himselfAct in groupsNarrator: One day, Lu Ban was at work with some workers on a mountain.
Worker1 : It takes about 5 hours to cut a tree. So tired!
Worker2 : It takes a day to carry them back. So slowly!
Lu Ban : Ouch!
Worker1 : What’s wrong with you?
Lu Ban : A leaf cut my finger! Look! There are many sharp teeth on it.How could such a small leaf hurt my finger?
Worker2 : How strange!
Lu Ban :Maybe I can make a tool with sharp teeth like these.
Worker1 and 2:You are clever, Lu Ban! Come on!Then, Lu Ban tried and tried.√Soon Lu Ban made a saw.make-madeThe workers could cut trees with saws easily.It takes only about one hour to cut a tree. Ha! Ha! Ha!The workers could build the palace with saws easily.People can make_______ with saws easily.NowNowPeople can make_______ with saws easily.NowPeople can make_______ with saws easily.It was saw in the world. the first People are using this tool today. still Read the story Retell the story当堂检测watch more…think moretry more拓展延伸New inventionsPeople invented_____________.
We can ________ (quickly/happily/…).
Inventions changed our lives.
Inventions made our lives easily.
Enjoy the inventions,
make more inventions!
Homework
1. Retell the story.
2. Finish Workbook pages 27 and 29.
