辽宁省灯塔市第二初级中学九年级英语全册 Unit 9 I like music that I can dance to（第1课时）课件 （新版）人教新目标版

UNIT 9WHEN WAS IT INVENTED?Section AWHAT WILL HAPPEN IF WE HAVE NO LIGHT?Who brings light to us?light bulbinventionEdisoninventorEdison invented the light bulb.The light bulb was invented by EputerinventionJohn Mauchly and J. Presper EckertinventorJohn Mauchly and J. Presper Eckert invented the first computer.The first computer was invented by John Mauchly and J. Presper Eckert.123451aLook at the things below. In what order do you think they were invented? Number them (1=first,5=last)1-5LISTEN AND MATCH THE INVENTIONS WITH THE DATES.18761885192719711976daecb1bA: When was the _ invented?B: I think it was invented in _.1976188519711927PAIRWORK18761cA: What is the _ used for?B: I think it is used for _.talking with peopletelephoneA: What is the _ used for?B: I think it is used for _.(count)countingcalculatorA: What is the _ used for?B: I think it is used for _.workingcomputerhigh_batteriesslippersheelsOther inventionsbattery-operated slippers电控拖鞋heated ice cream scoop It is used for scooping cold _.ice cream加热冰激凌的勺子shoes with adjustable heelsadjustable: adj. 可调整的带调节后跟的鞋Julie Thompsonbattery-operated slippersChelsea Lanmonheated ice cream scoopJayce Coziar and Jamie Ellsworthshoes with adjustable heelsWhat are they used for?Listen and number the inventions inthe order that you hear them.312Its used for scooping really cold ice cream.Right. It was invented by Chelsea Lanmon.shoes with adjustable heelsbattery-operated slippersheated ice cream scoop2aInventionWho was it/were they invented by?What is it/are they used for?shoes with adjustable heelsChelsea Lanmonscooping really cold ice creambattery-operated slippers Jayce Coziar and Jamie Ellsworth seeing in the darkheated ice cream scoopJulie Thompsonchanging the style of the shoesListen again and match.2bshoes with adjustable heelsWhat are they?Who were they invented by?Jayce Coziar and Jamie Ellsworthchanging the style of the shoes.What are they used for?PAIRWORK 2cbattery-operated slippersJulie Thompsonseeing in the darkWhat are they?Who were they invented by?What are they used for?heated ice cream scoopChelsea Lanmonscooping really cold ice creamWhat is it?Who was it invented by?What is it used for?A: What is the _ used for?B: I think it is used for _.ridingbikeWhen was it invented? What is it used for? It was invented in Han Dynasty.It is used for testing earthquakes.They are all invented by Cpassgun powdermoveable type printingpaperMAKE A LIST OF FIVE HELPFUL INVENTIONS A N D F I V E A N N O Y I N G INVENTIONS.Helpful inventionsAnnoying inventionsExample: telephoneExample: alarm clock11223344553aA: What do you think is the most helpful invention?B: I think the most helpful invention is the light bulb.A: Why is that?B: Well, it gives people more time to work and play every day.PAIRWORK 3bCAN THE FIVE INVENTIONS YOU CHOOSE HELP YOU ON THE ISLAND?A: Id like to have a radio because I could listen to music all day.B: Yes, but thats not going to help you leave the island. I think it would be better to have 4GRAMMAR FOCUS The passive voice 被动语态 在被动语态的句子中, 谓语部分的结构是be + 过去分词。被动语态的句子的时态、人称变化反映在be动词上。 一般现在时 am / is / are 过去分词一般过去时 was / were 过去分词 含有情态动词的被动语态：情态动词be 过去分词