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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,5,Unit 5 Crafts,Period 2,tool,It has sharp teeth,but not the teeth for eating.,We use it to cut things.,Read and guess,saw,Lu Ban and the saw,Who,invent,ed the saw?,发明,Task 1,任务,Find out the verbs in past form and think about their original form.,找出文中的动词过去式,并思考其原形。,A long time ago,is,think,cut,are,say,make,Learn the story,Task 2,任务,What did Lu Ban do?,craftsman,crafts,men,1.Where was Lu Ban?,2.What happened to him?,3.What did he think?,2.A leaf,cut his finger,.,“How could,such a small leaf,hurt my finger?”,1.He was,at work,on a mountain,.,Lets retellLets retell,Where?,What happened?,He thought,1.Why could such a small leaf hurt his finger?,2.What did he say to himself?,There were many teeth on the leaf,and the teeth were sharp.,Could I make a tool,with,teeth like these?,I could cut things,with,it easily?,用,带有，具有,say,to,oneself,said himself,eas,ily,happ,ily,y,craz,ily,疯狂地,bus,ily,angr,ily,Lets retellLets retell,Why?,He said to himself,There were many teeth on the leaf,and the teeth were sharp.,Could I make a tool,with,teeth like these?I could cut things,with,it easily?,What did Lu Ban make?,It was,the first saw _.(in China/in the world),People _ still _(use)this tool .,today,now,are,using,Task 3,任务,Retell the story,复述故事,Method 1,：小组集体完成故事复述，最终选出一名代表发言,Method 2,：组长给组员分配任务，每名组员复述其中一小部分,Retell the story,复述故事,A leaf cut his finger.,a small accident,小意外,a great invention,大发明,Lu Ban made a saw.,Because Lu Ban was good at,.,So were these people.,thinking,making,observing,观察,John Stith Pemberton,Coco cola,可口可乐,penicillin,青霉素,Alexander Fleming,super glue,万能胶,Harry Wesley Coover,X-ray,X,射线,Roentgen,microwave oven,微波炉,Percy Spenser,small accidents,great inventions,小意外，大发明,We should be good at,thinking,and,making,.,Listen and read the story.,2.Look at the pictures and,retell the story.,Homework,亲爱的,读者,：,春去春又回，新桃换旧符。在那桃花盛开的地方，在这醉人芬芳的季节，愿你生活像春天一样阳光，心情像桃花一样美丽，感谢你的阅读。,
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