译林版（2019）选择性必修第三册Unit 3 Back to the past Grammar and usage 导学案

学习流程及内容：1.Leading-in2.DiscStep1导：(3分钟)老师点评学案答题情况Step2议：(7分钟)Step3展：(20分钟)Step4评：(7分钟老师评价和补充)thehistoryofskateboardingspans(跨越)sevendecadesoverwhichithasdevelopedfromanunwelcomesporttoanOlympiceventinthosehumblehomemadeboardsofthe1950stotoday'shi-techprofessionalmodels.relatedobjects,includingsafetyequipmentandmagazines.HalfoftheskateboardswillsouthwesternEnglandin1965Alsoondisplaywillbethefamousskateboarder1982,withitsadaptationsforthevertstyleofskateboardingwhichusesverticalrratherthanlevelground;earlyhomemadeboardsfrom1950sCaliforoller-skatesandsurfboards;andthefirsttwomodelstofeatureakicktail—tenablingskaterstoturnorbalancetheboardonthOlympics,isrepresentedthroughherfirs“Skateboards,oftenmisunderstoodasbeingjusttoys,arenowhi-techproductsrespondingtoconstantlychangingurbanenvironments,”saidJonathanOlivares,thexhibitioniscentredaroundasinglequestiD.ItismodeledonthedesignofA.Bilbo.B.Newquay.C.Sky.C.SkateboardingwillbeverTousitseemssonaturatimes.ProbablythefirsttouseitweretheChineWeknowthattheumbrellawasusedinancientEgypwasastrangethingancienttimes,theumbrellawasallowedtobeusedonlybythoseinhighoffiInEurope,theGreekswerethefirsttousetheumbrellaasasunsumbrellaasprotectionagainsttherainweretheancientDuringtheMiddleAges,theuseoftheumbrellapracticallBytheeighteenthcentury,theumbrellawasusedagaweight.Itwasn'tuntilthetwentiethcentuvarietyofcolours.5.AccordingtothispassagA.ChinaB.EgyptC.GreeceA.duringtheMiddleAgesB.bytheeighC.thedevelopmentoftheumbrellaD.thehistoryanduseofthSilkisathin,yetextremelystrong,fiber.Itiswhentheymaketheircocoons.Thousandsofyearsago,ancientChinesecraftsmenbeganweavingbytheChineseimperiaHowever,theexistenceofsirulers,Chineseenvoyscarriedgiftsofsilk.BythefirstcenturyBC,theRomanshadbesilkwasprincipalmotivationformerchantswhosearwestcouldchooseamongroutesthatcrossedmanCentralAsia,andtSoutheastAsiaacrossInVenice,Italy,bycross TheSilkRoadplayedanimportantroleinTomakesuccessfuldeals,merchantshadtolearnthelanguagesandcustocrossed.AstheyjourneyedalongtheSilkliterature,science,andtechnologies.Overhundredsofyears,cultures,languages,andreligionsinfluencedoneanother.PerhapsChinesesilkinfluencedhiB.HowSilkBroughtPeopE.RulersorderedthatanyonewhorevealedthesemethodstoforeignerswouldbeF.Latertheycametobeknownas"TheSilkRoad",butthewoG.But,thereweremanyroads,notjustone.AGermangeologistnamedthTheQinghaiLakeNational72,accordingtoareportbytheXinhuaNewsAgency.Theupdatedlist,whichwasrevisedbyexperts,15(include)82speciesofprotectedwildlife.Thenumberofnationalfirst-levelprotectedanimalshasincreasedfrom19to22.Meanwhile,thenumberofprotectedanimalshasincreasundernationalprotectionhasreached12uncertainrecordswereremorecentyearswereadded,increasingthetotalnumberoFirst19(found)in1975northeastoftheQin