欢迎来到天天文库
浏览记录
ID:50137650
大小:1.15 MB
页数:19页
时间:2020-03-05
《高中英语多媒体课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、高中英语多媒体课件TELEPHONESUNIT23Answerthefollowingquestions1.Howwasonetelephoneconnectedwithanotherinthepast?2.Howisonetelephoneconnectedwithanothertoday?BythickheavymetalwiresByverythinglasspipesandsatelliteelectricalsignalselectricalsignalsHowdoesatelephonework?Whydidpeoplehavetowindthehan
2、dlebeforemakingacall?Whatdidthetelephoneoperatordo?Whataresatellitesusedfor?AmericaChinaelectricalsignalselectricalsignalsWhatwasthewaytosendsignalsinthepast?metalwireslightsignalslightsignalsHowtosendsignalsnow?thinglasspipestoonoisy!notclear!veryclearelectricalsignalselectricalsigna
3、lsconferencecallingABCDEcallwaitingABCABBcredirectionFindsomewordstocompletethesentences:Ifyoudon’tknowthetelephonenumberofacertainunit,youmaylookitupinthetelephoned________.2.Thiskindoffoodwills__________youupafteryourillness.3.Pleaser________alltheletterstothefollowingaddresses.irec
4、torytrengthenedirect4.Wehaveplentyofrainhere,Itrainsf__________inthispartofthecountry.5.Youmustw______theclockonceaweek,oritwillstop.requentlyindCompletethefollowingsentences1.________________________________(他怎样到美国来的)wasamystery.2.____________________________________________(我们是否应该穿校
5、服)hasnotbeendecided.3.Ididn’treceivethenews________________________________(会议时间推迟了)4.Theproblemis______________________________________________(电信号会变得越来越弱)astheytravelalongmetalwires.HowhecametoAmericaWhetherweshouldwearschooluniformsthatthemeetinghadbeen.delayedthatelectricalsignals
6、getweakerandweakerIfyouhavegotenoughmoney,whichofthefollowingthingsdoyouwanttohavemost?Giveyourreasonsforthechoice.A.AmobiletelephoneB.AcarC.AcolourTVD.AcomputerDiscussionHomework:1.Readthetextagainandagain2.Ex.1onPage127.
此文档下载收益归作者所有