人教版九年级全册Unit 6 when was it invented？SectionA1 1a-2d 课件

Unit6whenwasitinvented?

SectionA11a—2dFourgreatinventions

compassgunpowder

printingpapermaking[ˈkʌmpəs]罗盘，圆规，指南针、界限AlexanderBell亚历山大贝尔KarlBenz卡尔奔驰J.L.Baird贝尔德Johnvonneuman约翰·冯·诺伊曼说说电视、汽车、计算机、电话是谁发明的？

1876188519271971abcdWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.一般过去时的被动语态：was/were+及物动词-ed形式1a

Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].1

2

3

4

4A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.√1c

StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Forexample:Bellinventedthefirsttelephonein1876.Thefirsttelephonewasinvented

(byBell)in1876.Pleasedesignquestionsbasedonmaterialandanswerthem.Forexample:Whenwastelephoneinvented?Itwasinventedin1876Wascomputerinventedin1971?Yes,itwas.1.这座桥是1968年修的。2.我的词典是前天买的。3.这些小车是上个世纪制造的。4.那些西红柿是去年种植的。Thebridgewasbuiltin1968.Mydictionarywasboughtthedaybeforeyesterday.Thesecarsweremadelastcentury.Thetomatoeswereplantedlastyear.翻译句子一般过去时的被动语态：was/were+及物动词-ed形式一般过去时的被动语态：was/were+及物动词-ed形式2a

Listenandnumbertheinventions[1-3]intheorderyouhearthem.3212b

Listenagainandcompletethechart.InventionWhatisit/aretheyusedfor?shoeswithspecialheels

thestyleoftheshoesshoeswithlightsSeeing

hotice-creamscoopreallycoldice-creamchanginginthedarkserving

stylen.样式,款式instyle流行的,时髦的outofstyle过时的thestyleof….……的样式\款式beusedfor被用做于

……

beusedfordoingsth.beusedtodosth.可以用来表目的、用途被用来做某事根据听力材料，学生设计问题，并回答2d

Listento2d,Answerthefollowingquestions.Whatwasshoeswithlightsusedfor?Wasshoeswithlightsusedtomovetheheelsupanddown?

Roleplay带有后跟的鞋子是用来做什么的。

2)在那个时候，计算机还没有被广泛使用。

____________,computer__________________.Exerciseatthattimewasn’tusedwidelyWhat

shoeswithhe