人教版高二英语选修六unit5learningaboutlanguage.ppt

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1、Unit5ThepowerofnatureLearningaboutLanguage1.Reviewtheusefulexpressionsofthetext.2.TocheckuptheExx.oflearningaboutLanguage.3.Tolearntheusingofv.-ingform.1．________n．火山2．_____vi.(指火山)爆发；突然发生→________n．火山爆发；(战争等)爆发3．_________adv.在旁边；沿着边prep.在……旁边；沿着……的边4．_______vt.任命；委派→________

2、___n．约定；任命5．________vt.评估；评价；估计→_________n．评估volcanoerupteruptionalongsideappointappointmentevaluateevaluation6．_____n．波浪；波涛vi.波动；起伏；挥手7．________adj.绝对的；完全的→absolutelyadv.绝对地8．____n．一套外衣；套装；vt.适合；使适宜→suitableadj.合适的9．________n．潜在性；可能性；潜能adj.可能的；潜在的10．______adj.实在的；实际的→actuall

3、yadv.实际地waveabsolutesuitpotentialactualPart2Comepletetheparagraphwiththewordsintheboxinthecorrectforms.burntothegroundabsolutevolcanoeruptionwavefountainashlavaeruptTheeruptionofMountVesuviusin79ADtookthepeopleofPompeiibysurprise.Theyhadalwaysknownthatthemountainwasa________b

4、utithadLearningaboutlanguagevolcanobeenquietforsolongthatnobodysawitasathreat.Whenthevolcanofinallydid________,itwassoquickandsoseverethatthetownwassooncoveredin________and__________.eruptashlavaAwritercalledPliny,whowasthereduringthe_________,describedhowlavawasthrownintothe

5、airlikea_________.Afteritfelltoearth,itturnedinto___________oflavawhichtravelleddownthemountainfasterthanpeoplecouldrunaway.Itwasan________disatersterforthosewhocouldnotescapeintime.ManyofthewoodenhousesandthebungalowsinPompeiiwere___________________,butthestonehousesremained

6、undertheashuntiltheywererediscoveredduringthe20thcentury.absoluteburnedtothegroundfountainwaveseruptionGrammarLookingcarefullyattheground,Imademywaytotheedgeofthecrater.The-ingformusedasanadverbialclauseHavingexperiencedquiteafewearthquakesinHawaiialready,Ididn’ttakemuchnotic

7、e.Having+pastparticiple(theperfect-ingform)torefertoanactionthattookplacebeforethetimeexpressedbymainverb.小结-ing形式的用法1.-ing形式作状语用法例句时间Walkingalongthestreet,ImetMary.在街上走的时候，我遇到了玛丽。(=WhileIwaswalkingalongthestreet,…)用法例句原因Beingtired,Istoppedtotakearest.(=BecauseIwastired,…)因为疲

8、倦，我停下来休息。条件Turningtotheleft,youwillfindtheschool.(=Ifyouturntothelef