LearningaboutLanguage.ppt

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1、Unit5Meetingyourancestors复习课primitivepeopleTheypickedripefruitandhuntedanimals,whichiswhytheyarecalledhuntersandgatherers;Theylivedinthecaves,regardlessofthecold.foodandshelterInsteadofhavingmats,blanketsorquilts,theykeptwarmbymakingfiresandkeepingthefireburnin

2、gallwinter;Besides,theyalsohunganimalskinsatthecavemouthtokeepoutthecoldduringthefreezingwinter.meansofkeepingwarmTheydidwearclothesmadefromanimalskinsandprimitivenecklaceswithsomeofthebeadsmadeofanimalbonesandseashells.clothesandaccessories(装饰物)biggestenemyWil

3、dbeastsTheyfirstusedthesharpenedstonetoolstocutupanimalsandremovetheirskin.Thensmallerscraperswereprobablyusedtoremovethefatandmeatfromtheskin.Latertheywouldrubanampleamountofsaltontotheskintomakeitsoft.Finally,theywouldcutitandsewthepiecestogether.Altogether,i

4、tisquiteamessytask.processofmakingclothesChooseonelargestoneandbegintouseitlikeahammerstrikingtheedgeofthescraperthatneedssharpening.Stopnowandthentotryitagainstthehand.Stopwhenthescrapersaresharpenoughtocutupthemeatandscrapethefish.processofmakingtools1．Therew

5、eresomanycarsheldupbytheheavyrainontheroadthatwehadnoalternativebuttowait.2．Thereporterwasarrestedbythepolicefortakingbribesfromthatcompany.3.I’msorrytointerruptbutyourpointseemsnotrelevanttothetopic.4．Mycalculationswerebasedontheassumptionthathousepriceswouldr

6、emainsteady.5.Whileeatingbeef,peopleintheWesterncountrieswillcutitupwithaknifeandputitintothemouthwithafork.5．It’sobviousthatgreenhousegaseswillacceleratewarmingandharmthepolarbear.7．Thefactorysetuptheyearbeforeisofgreatsignificancetothisarea’seconomy.8．Iadmire

7、dthespeedandaccuracywithwhichshetyped.9．Afterthreedayswithoutfood，themenwereclosetostarvation．10.Hewentbankruptandhadtostarteverythingfromscratch.11.Inprimitivetimes,humanbeingsorganizedtheirliveswithacleardivisionoflabor.12.TrytomakeatentativeguessaboutwhatPek

8、ingmanmayhavedoneandusedthousandsofyearsago.13.Itwon'tbeeasytogettothetopofthemountainbutwe'llmakeitsomehow.14.Withthepassageoftime,Mozartbecameacutelyawareofhisownremarkabl