高中二年级Lesson90Reading教案
日期：2010-01-22 01:52
byverythinglasspipes)2．NowthestudentsreadthepassageagainThistime，dividethetextintotwoparts(P1-3:oldtelephones;P4-5:moderntelephones)anddealwiththemseparatelyTothefirstpart，goahead/Illhavetogonow)Afterdoingthis，metalwires;Bysatellite，ithappensoftenHepaidfrequentvisitstomewhilehewasstayinghereThebabywasfedfrequently3)Tosavetimeandmoney，butIhadnostrengthtogoforaraincoatWearemakingeffortstostrengthentherelationship2)Ifsomethinghappensfrequently，theywillskimitSaypleasereadthearticlequicklyTrytofinishitintwoorthreeminutesDonotworryifyouvedonotunderstandeachwordWhenyouvefinished，expensivemakeacallwindahandle/electricityoperatorconnect/noteoflength/chargetelephonedirectory1878/onepiece/oneside1877—2，thelightsignalsarereceivedandchangedbackintoelectricalsignalsandfinallysound)3．NowtheSsreadtheshortpassageaboutTheTelephoneintheOfficeonSBPage63Totesttheirunderstanding，youmayaskSstomakeasimilardialoguetoLesson89:Youwanttocallafriendtoborrowabook，heavyandexpensive/Toproduceelectricity/Sheconnectedthetwonumbersandmadeanoteofthelengthofthetelephonecallandthecharge/AtelephonedirectoryTothesecondpartyoumayasksomeotherquestions:Whataresatellitesusedfor?/Whatistheproblemwithelectricalsignals?/Whyarelightsignalsbetterthanelectricalsignals?/Howisapersonsvoicesenttoanotherone?(Forsendingtelephonesignalsoverlongdistances/Theproblemwithelectricalsignalsisthattheygetweakerandweakerastheytravelalongmetalwires/Theytravellongdistanceswithoutgettingweakerandtheirsignalisclearer/ApersonsvoiceischangedintoelectricalsignalsTheseelectricalsignalsareturnedintolightsignalswhicharesentdownthethin“pipe”Attheotherend，hehiredbicyclesfortravelingwhenhewasinthecountry4)HelookedupandsawasnakewoundaroundabranchTheriverswindtheirwaytothesea5)WheredoesZhongshanRoadconnectwithZhujiangRoad?ThetwocitiesareconnectedbyarailwaylineThepolicethoughtthemanconnectedwiththemurderC．Post-reading1．GiveSsseveralminutestopreparetoretellthetwopartsofthetextaccordingtosomegivenkeywords(ExVIinAB)(o
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