人教版九年级上册英语unit9+SectionA+PPT课件

1、unit 9,when was it invented ?,section a,talk about the history of inventions.,the passive voice.,grammar focus:,language goals:,invent invent v.发明，创造 calculator klkjuleit n.计算器 be used for 用来做 scoop sku:p v.用勺舀 n.勺子，长柄勺 adjustable dstbl adj.可调整的 heel hi:l n.（鞋袜等的）后跟 battery btr n.电池 operate preit v.

2、操作，作业 battery-operate 电池供电的 slipper slip n.拖鞋 heat hi:t v.加热，是变热,new wods,light bulbs,invention,edison,inventor,edison invented the light bulb.,the light bulb was invented by edison.,karl benz invented the car.,_ was invented by _.,the car,karl benz,bell invented the telephone.,_ was invented by _.,

3、the telephone,bell,karl benz,bell,edison.,who was _invented by ? it was invented by _.,the car,karl benz,pair work,1b,listen and match the inventions with the dates.,a,b,e,d,c,1876 1885 1927 1971 1976,d,a,b,e,c,calculator,pairwork,when was the telephone invented ? i think it was invented in 1876.,1c

4、,1885 1976 1971 1927,what is/are used for? its/theyre used for 某物被用来做什么.,lets discuss,what are the computers used for ? the computers are uesd for .,(be used for+v-ing 被用于),play games search information read stories chat with friends,ting,ing,ing,ing,a: what is the used for? b: i think it is used fo

5、r _.,talking with people,car,computer,calculator,light bulbs,counting,bringing light,insteading of walking,studying,pairwork,1. amy used _ glass. a. wear b. to wear c. to wearing d. use to be 2. the knife is used _ fruits. a. to cutting b. for cutting c. cut 3. i used _ late, but now i _ early. a. t

6、o getting up; am used to getting up b. to get up; am used to get up c. to get up; am used to getting up,4. theyre used for seeing in the dark. (改为同义句) theyre used _ _ in the dark.,b,b,c,to see,used to do 过去常常做某事，只用于过去时态 be used to doing 习惯做某事，用于一般现在时和过去时 be used for doing / to do 被用于做某事，表示被动语态,camera,1839,daguerre 达盖尔,plane,the wright brothers 莱特兄弟,1903,writing,take photos,for example,a: when was _ invented? b: the _ was invented in _ . a: who was _ invented by ? b: it was invented by _ . i think it is very useful. it was used for _ .,carry people to someplace,home