沪教版七年级下册英语Unit6 Electricity用电复习听力课件（可编辑完整版）

Section1Grammar主题范畴：人与自然；人与社会主题群：环境保护；科学与技术子主题：环境污染及原因，环保意识和行为；科学技术与工程，人类发明与创新。Reviewlightbulbairconditionerlightningbatteryhouseholdtaskelectricity灯泡闪电电空调家务活电池Reviewrunonrunoutofgetdark变黑byhandman-made手工人造的运行用完；耗尽moreconvenienthaveincommon有共同点更加便利Reviewbefound

livewithout有共同点被找到被...生产haveincommonberelatedto...beproducedby...与...相关没有...生活Review1.Airconditioner

electricity.man-madeisproducedbyrunon

befound2.Lightningcan

innature.

3.Lightbulbsandbatteriesare

.4.Electricity

windpower,waterpowerandsolarpower.runsonbefoundman-madeisproducedbyReviewlivewithoutgetdark

runoutof

householdtasks5.Theearthwill

withoutelectricity.6.Ourtabletwill

battery.7.Itisveryhardto

electricity.8.Most

willtakeusalotoftime.getdarkrunoutof

householdtaskslivewithoutAfteritgotdark,mylittlebrotherBennyandIcouldonlyreadandwritebycandlelight.WeusuallywatchamovietogetheronFridaynights,buttheTVdoesn'tworkwithoutelectricity.Instead,weplayedvideogamesforawhile,butthenourtabletranoutofbattery."Whatabouttomorrow?"wethought.Retell:Sincetherewasn’tanyelectricity,somethingsinthefridgequicklywentbad.WhenwewokeuponSaturdaymorning,wediscoveredthatwecouldn'teatourbreakfastcereal-wedidn'thaveanymilkoryogurt!Bynoon,itgotreallyhotinsideourapartment,butwecouldn'tturnontheairconditioner.Evenworse,mosthouseholdtasksbecameverydifficultwithoutelectricity.Forexample,wehadtowashallourclothesbyhand,andthistookusalotoftime.However,therewerealsonicethingsaboutlivingwithoutelectricity.OnSunday,wewentonabiketripandvisitedmygrandparentsinthecountryside.Weenjoyedapicnicintheirgarden,andwealsoplayedchessandpaintedpicturestogether.Atnight,wesatunderthestarsandlistenedtomygrandad'sstories.Thiswasareallyinterestingexperience,butIcannotimaginelivingwithoutelectricityformorethanafewdays.Activity1:Pre-listening–LeadinFocusTopicExplorethekeyvocabularyrelatedtoelectricvehicles,energy,andmodernmediafortheupcominglisteningtask.electricity/ɪˈlektrɪsəti/n.电，电能|Afundamentalformofenergyusedinourdailylives.electriccar(电动车)•speed(速度)High-techvehiclespoweredbybatteries,focusingonacceleration.against(紧靠/碰撞)•podcast(播客)Commonpreposition&apopulardigitalaudioprogramformat.Activity1:Pre-listening–VocabularyCompletetheSentenceIt'sau_______activity.useful/ˈjuːsfl/adj.有用的Describessomethingthatservesapurposeorhelpsyouachievesomething.sefulActivity1:Pre-listening–GuessingWherewaselectricityfirstdiscovered?A.AncientChinaB.AncientGreeceActivity1:Pre-listening–GuessingWhenwasthefirstelectriccarinvented?A.Inthe17thcenturyB.Inthe19thcenturyActivity1:ListeningYou'regoingtolistentoapodcastaboutelectricity.Listentothefirstpartcarefullyandfocusonthespeaker'smainpoints.Q:Whatdoesthespeakersayaboutelectricity?(Tick✓)Electricityisagreatscientificdiscovery.Electricitytravelsatanextremelyfastspeed.Weshouldtryourbesttosaveelectricity.Manypeopleunconsciouslywasteelectricitydaily.Tip1:锁定关键词(KeyWords)Q:Whatisthemaintopicofthepodcast?A.NatureC.CarsStartListeningB.Electricity✓✓✓✓Activity2:Listening01.Whofirstdiscoveredelectricity?A.AncientGreeksB.AncientChineseC.Britishinventors02.Electricitytravelsatthespeedof______.A.SoundwavesB.Light(300,000km/s)C.Windspeed03.Thefirstelectriccarwasinventedaround______.A.1732B.1832(RobertAnderson)C.1932LEARNINGTIPReadSentencesFirstStartListeningActivity3:ListeningListentothethirdpartofthepodcast,thentick()thecorrectanswerbelow.Q1.HowmuchelectricityiswastedintheUKeachyear?☐Billionsofpounds(Approximately£1.4billion)☐MillionsofdollarsQ2.Whatisthebestactionweshouldtake?☐Wasteitcarelessly☐SaveitefficientlyENERGYSAVINGSMARTLIFE·LOWCARBON✓✓✓StartListeningActivity2:Listening-SummaryDiscoveryItwasdiscoveredbyAncientGreeks,whonoticedstaticelectricityfromrubbingamber.SpeedElectricitytravelsatthespeedoflight,about300millionmeterspersecondinavacuum.InventionThefirstpracticalelectriccarwasinventedin1832byRobertAnderson,.ActionWeshouldactivelysaveelectricityinourdailylivestoreducecarbonemissionsandprotecttheenvironment.Activity4:ListenandfillUsethesewords:

discoveredlight1832savewaste01Electricitywas___________bytheAncientGreeks.02Electricitytravelsatthespeedof___________.03Thefirstelectriccarwasinventedaround___________.04Weshouldnot___________electricity.05It'simportantto___________electricityforthefuture.StartListeningdiscoveredlight1832wastesaveActivity3:Post-listeningListenagainandpayattentiontothewordsyoudidn’tcatch.Followthepodcastscriptdetailsbelowforreference.Goodevening.Thanksforjoiningmeinthisweek’sTheNaturalWorld.I’mRebecca.Tonight,I’llsharesomeinterestingfactsaboutelectricitywithyou.Firstofall,asyoumayalreadyknow,electricitywasnotinvented.Itwasdiscovered.Butdoyouknowwhenitwasfirstdiscovered?ManybelievethatelectricitywasfirstdiscoveredbytheancientGreeksmorethan2500yearsago.Theyproducedelectricitybyrubbingfuragainstsmoothstone.Next,doyouknowhowfastelectricitytravels?Theansweristhespeedoflight.Thatisabout300millionmeterspersecond.Anotherinterestingfactisaboutelectriccars.Theyareverypopularnow,buttheideaisnotnew.BritishinventorRobertAndersoninventedthefirstelectriccararound1832.However,thiscarwasnotveryuseful.Itwasn’tpossibletodriveelectri