高二英语 LESSON90 telephone .ppt

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1、IntroducethenewtextLesson90陈丽霞Teachingaims1Toreadthetextfreely2Toretellthetext3TolearnthehistoryofthetelephoneLISTRNINGTHETEXTAnswerthefollowingquestionsaccordingthetext1Howwasonetelephoneconnectedwithanotherinthepast?2Howisonetelephoneconnectedwithanothertoday?Key:bythickheavywiresK

2、ey:bysatellite;byverythinglasspipesLanguagepoints1Whentheystartisunknown.2getweakerandweaker3Ashesang,thetearsrandownhercheeks.1speakinto2thesoundwaves3receivingsound4thewiresusedtosend5difficulttohearpeople6glasspipesFillintheblanksAnewmodeloftelephonehasbeendeveloped.Itiscalledthem

3、obilephone.Ithasno______andcanbecarried_______inyourpocketorinyourbag.Ifyouneedto________someone,youjust_______thenumbers,andthephonewill______youthrough.wiresaboutringputpressGOODBYE