九年級（上）Goforit!學(xué)練優(yōu)英語教學(xué)課件第一頁，共三十八頁。SectionA(1a-2d)Unit6Whenwasitinvented?優(yōu)

翼

課

件

學(xué)練優(yōu)九年級英語(yīnɡyǔ)（RJ）教學(xué)課件第二頁，共三十八頁。學(xué)習(xí)(xuéxí)目標(biāo)Keywords:heel,scoop,electricity,style,project,pleasure,zipper,daily,website,pioneer,list,mention,Keysentences:1.—Whenwasthetelephoneinvented?—Ithinkitwasinventedin1876.2.—Whataretheyusedfor?—Theyareusedfor…Passivevoice(pasttense)

第三頁，共三十八頁。WhataretheFourGreatInventionsinancientChina?Doyouknow?Leadin第四頁，共三十八頁。ChinesefourgreatancientinventionscompassgunpowderprintingPapermaking第五頁，共三十八頁。Moderninventionscalculator第六頁，共三十八頁。Talkabouttheinventions(發(fā)明(fāmíng)).Whichonedoyouthinkisthemosthelpfulinourdailylife?第七頁，共三十八頁。computer第八頁，共三十八頁。car第九頁，共三十八頁。calculatorlaptop第十頁，共三十八頁。telephonecellphone第十一頁，共三十八頁。radio第十二頁，共三十八頁。A:IthinktheTVwasinvented

beforethecar.B:Well,IthinktheTVwasinventedafterthecar.Talkaboutwithyourpartner.第十三頁，共三十八頁。A:Ithinkthecalculatorwasinvented

beforethecomputer.B:Well,Ithinkthecalculatorwasinventedafterthecomputer.Talkaboutwithyourpartner.第十四頁，共三十八頁。PresentationLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last)12341aPresentation第十五頁，共三十八頁。

Listenandmatchtheinventionswiththeyears.abcdWhenwasthe...invented?

1876188519271971acbd1b第十六頁，共三十八頁。StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Practicing1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.第十七頁，共三十八頁。Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.第十八頁，共三十八頁。Whenwasthecomputerinvented?Itwasinventedin1971.第十九頁，共三十八頁。Listenandnumbertheinventions[1-3]intheorderyouhearthem.312___shoeswithspecialheels___shoeswithlights___hotice-creamscooprunsonelectricity2a第二十頁，共三十八頁。InventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamListenagainandcompletethechart.2bchangingservinginthedark第二十一頁，共三十八頁。Makeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?2cThey’reusedforseeinginthedark.

第二十二頁，共三十八頁。Whatarehotice-creamscoopusedfor?They’reusedforservingforreallycoldice-cream.Whatareshoeswithspecialheelsusedfor?They’reusedforchangingthestyleoftheshoes.第二十三頁，共三十八頁。Role-playtheconversation.Readthepassagequicklyandanswerthequestions.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?

3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?Smallinventionsthatchangedtheworld.Thezipper.Becauseitisoftenusedinourdailylives.WhitcombJudsonin1893.Around1917.2d第二十四頁，共三十八頁。1.Well,youdoseemtohaveapoint…h(huán)aveapoint有道理

e.g.Iadmit(that)youhaveapoint.

我承認(rèn)(chéngrèn)你有理。第二十五頁，共三十八頁。2.Theyareusedforseeinginthedark.beusedfordoingsth.表示“被用來做某事”。與beusedtodosth.

同義(tónɡyì)。表示用途、目的。

e.g.Thiscomputerisusedtocontrol

allthemachines.這臺電腦是用來控制所有機(jī)器的。

Doyouknowwhatthistoolisusedfor?

你知道這個(gè)工具是用來做什么的?第二十六頁，共三十八頁。3.Thinkabouthowoftenit’susedinourdailylives.

thinkabout表示“考慮，想起”。

e.g.Heisthinkingabouttravellinginthesummerholidays.

他正在考慮暑假(shǔjiǎ)旅游的事。

Shewasthinkingaboutherchildhooddays.

她正回想她的童年時(shí)期。第二十七頁，共三十八頁。【拓展有關(guān)think的短語】thinkof指“考慮,記憶,記起”

e.g.Youthinkofeverything!

你全都(quándōu)提到了。

Ican’tthinkofhisnameatthemoment.

我一時(shí)想不起他的名字。第二十八頁，共三十八頁。thinksth.over指“仔細(xì)(zǐxì)想,審慎思考,作進(jìn)一步考慮”。e.g.PleasethinkoverwhatIsaid.

請仔細(xì)考慮我說的話。

Iwanttothinkitover.

我想仔細(xì)考慮一下這件事。第二十九頁，共三十八頁。thinksth.out指“想通,想出,熟思(shúsī)”。e.g.Hethoughtoutanewidea.

他想出了一個(gè)新主意。

Thatwantsthinkingout.

那件事需要仔細(xì)考慮。第三十頁，共三十八頁。用所給單詞的正確形式(xíngshì)填空：When

thetelephone

(invent)

?Thecomputercan

usdomathproblems(help).inventedwashelpExerciseExercise第三十一頁，共三十八頁。3.Inthoseday,thewomancouldn't_______(afford)aTVbecausetheywerereallyexpensive.4.Afriendof

(I)cametoseemelastweek.5.Ithinkyouneed

(take)ahistoryclass.affordminetotake第三十二頁，共三十八頁。單項(xiàng)選擇(xuǎnzé)()1.Thekindofcupisused_______drinking.A.toB.asC.byD.for()2.Mymotherandmysisterkeptontalking,butmyfather________silentallthetime.A.gotB.keptC.turnedD.lookedDB第三十三頁，共三十八頁。()3.Ithinktheshortstory______byLuXun.A.iswritingB.iswrittenC.writtenD.waswritten()4.—Who_____theelectriclightlamp_____?—Edison.A.was;invented