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,Unit 6,When was it invented?,人教版九年级英语上册,Section A 2a-2d,Unit 6人教版九年级英语上册Section A 2a-2,1,She,is scooping,by using the scoop.,scoop,She is scooping by using the s,2,Make conversations using the information in 2b.,B:Theyre used for seeing in the dark.,A:What are they used for?,Pair Work,Make conversations using the i,3,What is it used for?,It is used for counting.,calculator,What are they used for?,They are used for giving light.,light bulbs,What is it used for?calculato,4,What is/are,used for?,Its/Theyre,used for,What is/are used for?,5,What is/are,used for?,Its/Theyre,used for,What is/are used for?,Armadillo Breadbox,Lull Lamp,COOL INVENTIONS,Baby Shower Cap,Cool Inventions,Armadillo Breadbox Lull LampCO,7,Ergonomic Ladder,(,人体工学阶梯,),The Weight Watch Belt,Counterpoise,平衡椅,What are they used for?,Ergonomic LadderThe Weight Wat,8,2a,Listen and number the inventions 1-3 in the,order you hear them.,2a Listen and number the inven,2b,Listen again and complete the chart.,Invention,What is it/are they used for?,shoes with special heels,_ the style of the shoes,shoes with lights,seeing _,hot ice-cream scoop,_ really cold ice-cream,changing,serving,in the dark,2b Listen again and complete t,The first invention is shoes with _.People always hit their toes on _ on the way to the bathroom at night.So people can use them for _ in the _.,Listen again and fill in the blanks.,something,seeing,dark,lights,The first invention is shoes w,11,The second invention is a hot ice-cream _.It runs on _ and becomes hot.Its _ for serving really _ ice-cream.,scoop,electricity,used,cold,The last invention is shoes with special _.People can move the heels _ and _.You can _ the heels if you are going to a _ or _ them if you are just going out for _.,heels,down,up,raise,party,lower,shopping,The second invention is a hot,12,2c,Make conversations using the information,in 2b.,A:,What are they used for?,B:,Theyre used for,2c Make conversations using th,What are the shoes with lights used for?,Theyre used for seeing in the dark.,What are hot ice-cream scoops used for?,Theyre used for serving for really cold ice-cream.,What are the shoes with lights,What are shoes with special heels used for?,Theyre used for changing the style of the shoes.,It is used for.,What is the zipper used for?,What are shoes with special he,2d,Role-play the conversation.,2d Role-play the conversation.,Paul:Hey Roy,the subject for my school project is“Small,inventions that changed the world.”Can you help me,think of an invention?,Roy:My pleasure!Let me think hmm I know!The,zipper!,Paul:The zipper?Is it really such a great invention?,Roy:Think about how often its used in our daily lives.You,can see zippers on dresses,trousers,shoes,bags,almost everywhere!,Paul:Hey Roy,the subject for,Paul:Well,you do seem to have a point,Roy:Of course!I thought about it because I saw a website last week.The pioneers of different inventions were listed,there.For example,it mentioned that the zipper was,invented by Whitcomb Judson in 1893.But at that time,it wasnt used widely.,Paul:Really?So when did it become popular?,Roy:Around 1917.,Paul:Well,you do seem to hav,Read the passage and answer the questions.,What is the subject for their school project?,2.What kind of invention does Roy think of?,3.Why does Roy think it is a great invention?,4.Who and when was the zipper invented?,5.When did the zipper become popular?,Small inventions that changed the world.,The zipper.,Because it is often used in our daily lives.,Whitcomb Judson,invented it,in 1893.,Around 1917.,Read the passage and answer th,Whitcomb L.Judson(1846 1909)was anAmericanmachine salesman,mechanical engineer and inventor.He developed and invented the zipper in 1890.,Whitcomb L.Judson(1846 1909,20,Which invention are you familiar with?,Talk about it with your partner.,Pair Work,Which invention are you famili,21,Top 10“inventions”that changed the world,1.,GPS Technology,2.The Sony Walkman,3.The Bar code(,条形码,),4.TV Dinners(,冷冻快餐,),5.PlayStation,(,家庭电视机游戏,),22,Top 10“inventions”that chang,22,8.Electronic Money,6.Social Networking,7.Text messages,9.Microwaves,10.Trainers,23,8.Electronic Money6.Social N,23,1.What are they used for?,它们是用来做什么的？,be used for sth./doing sth.,意为“,被用来做某事,”，表示,用途,或,目的,，后接,名词,或,动名词,，相当于,be used to do sth.,Clothes,are used for keeping,(=to keep)warm.,Wood can,be used for building,(=to build)houses.,The stick,is used to write,on the blackboard.,Language,Points,1.What are they used for?它,新PEP人教版九年级上册英语Unit-6-When-was-it-inventedSection-A-2a-2dppt课件设计,25,used to do sth.,意为,“,过去常常做某事,”,。,I used to smoke when I was young.,use sth.to do sth.,意为,“,使用某物来做某事,”,其被动结构为,“,sth.be used to do sth.,”,。,These knives are used to cut pies.,be used as,意为“被用作,，被作为,使用,”,。,English is used as a foreign language in China.,be used by,意为“被,使用,”,。,Rubbers are often used by students to correct mistakes.,used to do sth.意为“过去常常做某事”。,26,2.,Can you help me think of an invention?,My pleasure!,My pleasure,也