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1、Unit3InventorsandinventionsPeriod3Learningwithoutthinkingleadstoconfusion;thinkingwithoutlearningendsindanger.學(xué)而不思則罔，思而不學(xué)則殆。Part1.預(yù)習(xí)學(xué)案1.wordsandphrases1)forehead________2)curious_________3)multiple_________4)original_________5)reproduce_______6)stable_________7)importance____8
2、)invaluable_____9)practical______10)diveinto_______11)beforeyouknowit________12)setout_________13)aseriesof_________14)atatime_________15)attheadvancedageofseventy-fiveyearsold_________16)intruth________17)atthesametime_____________18)beknownfor__2.Translateandmakethesentences
3、clearbyyoursel1)Everytimeyoudoyouwillbecertaintofindsomethingthatyouhaveneverseenbefore._______________________________________________________2)Itwasthisexploringaroundproblemsthatledtohismostfamousinvention–thetelephonein1876._________________________________________________
4、______3)Buthefoundtheproblemdifficulttosolve._______________________________________________________4)Beingverystable,ithasprovedinvaluableinthedesignofthebridges._______________________________________________________5)ItwasnotuntilfivedayslaterthatBellsentthefirsttelephoneme
5、ssagetohisassistant,Waston._______________________________________________________Part2.教&學(xué)案Step1CheckupwhatwelearntyesterdayStep2Readthetextcarefullyandthenchoosethebestanswers.1.WhatdoyouthinkisthekeytoBell’ssuccessasaninventor?A.GoodluckB.intelligenceC.CuriosityD.Inspiratio
6、n2.WhichofthefollwingstatementisNOTtrue?A.Bellinventedthetelephonebechance.B.Bellwantedtogetapatent.C.BellwasinterstedinhelpingdaefpeoleD.Bellsucceededinmanyareasbesidesthetelephone.3.Intheyear______,Bellmadehislastinvention.A.1920B.1921C.1922D.19234.Hismostfamoussayingsuggest
7、edthathewas________.A.amanofthinkinghardB.amantorestC.amanoffewwordsD.amantakingtoomuchStep3.LanguagePoints1.beatentrack被踩出來(lái)的路；常規(guī)慣例Sometimesit’snecessarytoleavethebeatentrack.【知識(shí)拓展】beontrack步入正軌；做法對(duì)頭keeptrackof與…保持聯(lián)系；了解…的動(dòng)態(tài)losetrackof與…失去聯(lián)系；不了解…的動(dòng)態(tài)2.diverinto(1).迅速把手伸入Shedived
8、intoherbagandtookoutacoupleofcoins.(2).跳水Theboydivedintotheri
