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Unit3Learningaims:LearnsomethingaboutAlexanderGrahamBellandhisinventionsbyscanningandreading.TrytomastertheusageofthefollowingsentencestructuresbypractisingEverytime/Eachtime/Anytime…clause3.Practisespeakingability.Lead-inAlexanderGrahamBellwasaninventorthatlivedbetween1847and1922.HewasborninScotlandandlaterlivedintheU.S.Hespentmuchofhiscareerteachingthedeaf.Guessthemeaningsoftheusefulexpressions②findoutthemainidea.Readthetextandthenchoosethebestansweraccordingtothetext.3.Modernbridgesdesignsbenefitalotfrom.A.trianglesB.tetrahedronshapeC.kitesD.flyingmachinesEverytimeyoudo,youwillbecertaintofindsomethingthatyouhaveneverseenbefore.every/eachtime意为“每次;每当”,此短语在句子中经常作连词,引导时间状语从句。类似短语还有：thefirst/second….time第一次/第二次……lasttime上次nexttime下次anytime任何时候theinstant/moment/minute/second一……就____Iseehim,theoldmanissittinginthesamechair.A.EverytimeB.EverytimewhenC.AteachtimeD.EachtimethatSpeakingDebateHomework
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