教学课件等比数列概念

问题1。观察、填空：问题2。以上二小例有何规律？结论：从第二项起，每一项与它前一项的比都等于同一常数，这样的数列称为等比数列。问题1。观察、填空：问题2。以上二小例有何规律？结论：从第二等比数列概念等比数列概念教学课件等比数列概念等比数列通项公式：等比数列通项公式：例题选讲：例题选讲：教学课件等比数列概念教学课件等比数列概念教学课件等比数列概念教学课件等比数列概念

Unit6Design

Unit6Design

ChinesePaperArt

Lesson3

TheArtofPaper

Lesson3TheArtofPaper

Haveyouevertriedpaper-cutting?Onwhatoccasionswouldyouusepapercuts.Haveyouevertriedpaper-cuttBackground

Paper-cuttingisoneofChina’smostpopularformsofvisualArt.Paperandscissorsaretheusualmaterialsutilized,butsometimesanengravingknifeisalsoused.Paper-cuttinghasbeenatraditionalartformforhundredsofyears.Itcanbetracedbacktothe6thcentury;butonlybecameapparentafewcenturiesafterpapercutsaremainlyusedasdecorationsforreligiousandornamentalpurposes.BackgroundAshortpapercutmovie.Ashortpapercutmovie.Readthefollowingstatements.Aretheytrueorfalse?Write“T”for“true”,andwrite“F”for“false”.()1.Mrchenlearnedpapercuttingfromanearlyage.()2.Paper-cuttinghasalonghistoryinChina.()3.PapercutsofanimalshavebeenfoundintombsdatingbacktotheSongDynasty.()4.Theyoungladywouldlookattheman’spaper-cuttingskillstochooseherhusband.()5.Peopleliketousepapercutstodecoratethingsandhopetheycanbringgoodluck.()6.Atweddingcelebrationswecanoftenseethepapercutsofaphoenix.TTFFTFListentotapecarefullyandatthesametimepayattentiontothepronunciationandintonation.Readthefollowingstatements.ScanthetextandfindthetopicsentenceormainmeaningofeachParagraph.Para1Para2Para3Para4Para5Para6Para7

Typesofpaper-cuttingConclusionIntroductionofChenZijiangThehistoryofpaper-cuttingPapercutsusedfordecorationPapercutsusedforreligiouspurposePapercutsformakingpatternsordesignsScanthetextandfindthetopAnswerthefollowingquestions:Howmanytypesofpapercutsdopeopleliketomake?Whatarethey?Howdoweknowthatthereisalongtraditionofpaper-cuttinginChina?WhichChinesecharacteroftenappearsinweddingpapercuts?4.Howispaper-cuttingrelatedtofashion?5.WhyisthewritergoingtoseeMr.Chenagain?AnswerthefollowingquestionsHowmanytypesofpapercutsdopeopleliketomake?Whatarethey?

Three.Papercutsfordecorations,forreligiouspurposeandfordesignpattersHowmanytypesofpapercutsdHowdoweknowthatthereisalongtraditionofpaper-cuttinginChina?WeknowthatbecausepapercutsofanimalshavebeenfoundintombsdatingbacktothetimeoftheNorthernandSouthernDynasty.Howdoweknowthatthereisa3.WhichChinesecharacteroftenappearsinweddingpapercuts?TheChinesecharacterofdoublehappinessoftenappearsinweddingpapercuts.3.WhichChinesecharacterofte4.Howispaper-cuttingrelatedtofashion?Byusingpaper-cuttinglikeapatterninclothingoronajewellerybox4.Howispaper-cuttingrelated5.WhyisthewritergoingtoseeMr.Chenagain?Tolearnpapercuttingfromhim.5.WhyisthewritergoingStudylanguagepoints

ReadpartIV(Importantpoints)onyourpaperquickly.Thentrytomakesentencesusingthefollowingwords.….papercutsfordecoration,forreligiouspurposes…….……canbefoundintombswhichdatebaketothetime…..Peopletowhomthedeadpersonwasrelatedwouldmake….(relateto)4.Iwasalsoreadytotryoutpaper-cuttingformyself.StudylanguagepointsReadparCompletethefollowingsentences:1Ican’t_________whathedoes_______(联系，涉及)whathesays.Allthings___________________(和……有联系)otherthings.3.我到那儿去是为了跟我的父母呆在一起。

Iwentthere____________________stayingwithmyparents.4.我们下个月将试验新的机器。

We’ll_________thenewmachinenextmonth.relatetoarerelatedto

forthepurposeoftryoutCompletethefollowingsentencGrammarRelativeClauses(1)GrammarFindtheserelativepronounsinthetext:Who,that,which,whose,whom,Whichofthem:canrefertopeople?canrefertothings?refertopossession?FindtheserelativepronounsiLookattheseexpressionsfromthetext:1.apapercuttingexpert(whom)Iinterviewed2.something(that)helearned3.ayoungfarmerwhowantedawife4.papercutswhichshowtheChinesecharacter.5.parentswhosechildhasrecentlybeenbornLookattheseexpressionsfrom

作用类型指代（先行词）充当从句的成分who人主、宾（不在介词之后）whom人宾whose人或物定that人或物主、宾（不在介词之后）表which物主、宾as人或物主、宾、表when时间状where地点状why原因状that\inwhich状such\so…asthesame…as主、宾、表关系代词关系副词其它语法学习（定语从句）way人或物作用指代Trytopickoutalltheattributiveclausesinthetextwithyourpartnersandstudythembyyourselves.Thentrytofinishtheexercisesonyourpapers.

TrytopickoutalltheattribHomework:1.Finishofftherestexercises.2.Gooverwhat’velearned.3.Previewthenewlesson.4.Trymakingapapercut.Homework:Seeyou!Seeyou!问题1。观察、填空：问题2。以上二小例有何规律？结论：从第二项起，每一项与它前一项的比都等于同一常数，这样的数列称为等比数列。问题1。观察、填空：问题2。以上二小例有何规律？结论：从第二等比数列概念等比数列概念教学课件等比数列概念等比数列通项公式：等比数列通项公式：例题选讲：例题选讲：教学课件等比数列概念教学课件等比数列概念教学课件等比数列概念教学课件等比数列概念

Unit6Design

Unit6Design

ChinesePaperArt

Lesson3

TheArtofPaper

Lesson3TheArtofPaper

Haveyouevertriedpaper-cutting?Onwhatoccasionswouldyouusepapercuts.Haveyouevertriedpaper-cuttBackground

Paper-cuttingisoneofChina’smostpopularformsofvisualArt.Paperandscissorsaretheusualmaterialsutilized,butsometimesanengravingknifeisalsoused.Paper-cuttinghasbeenatraditionalartformforhundredsofyears.Itcanbetracedbacktothe6thcentury;butonlybecameapparentafewcenturiesafterpapercutsaremainlyusedasdecorationsforreligiousandornamentalpurposes.BackgroundAshortpapercutmovie.Ashortpapercutmovie.Readthefollowingstatements.Aretheytrueorfalse?Write“T”for“true”,andwrite“F”for“false”.()1.Mrchenlearnedpapercuttingfromanearlyage.()2.Paper-cuttinghasalonghistoryinChina.()3.PapercutsofanimalshavebeenfoundintombsdatingbacktotheSongDynasty.()4.Theyoungladywouldlookattheman’spaper-cuttingskillstochooseherhusband.()5.Peopleliketousepapercutstodecoratethingsandhopetheycanbringgoodluck.()6.Atweddingcelebrationswecanoftenseethepapercutsofaphoenix.TTFFTFListentotapecarefullyandatthesametimepayattentiontothepronunciationandintonation.Readthefollowingstatements.ScanthetextandfindthetopicsentenceormainmeaningofeachParagraph.Para1Para2Para3Para4Para5Para6Para7

Typesofpaper-cuttingConclusionIntroductionofChenZijiangThehistoryofpaper-cuttingPapercutsusedfordecorationPapercutsusedforreligiouspurposePapercutsformakingpatternsordesignsScanthetextandfindthetopAnswerthefollowingquestions:Howmanytypesofpapercutsdopeopleliketomake?Whatarethey?Howdoweknowthatthereisalongtraditionofpaper-cuttinginChina?WhichChinesecharacteroftenappearsinweddingpapercuts?4.Howispaper-cuttingrelatedtofashion?5.WhyisthewritergoingtoseeMr.Chenagain?AnswerthefollowingquestionsHowmanytypesofpapercutsdopeopleliketomake?Whatarethey?

Three.Papercutsfordecorations,forreligiouspurposeandfordesignpattersHowmanytypesofpapercutsdHowdoweknowthatthereisalongtraditionofpaper-cuttinginChina?WeknowthatbecausepapercutsofanimalshavebeenfoundintombsdatingbacktothetimeoftheNorthernandSouthernDynasty.Howdoweknowthatthereisa3.WhichChinesecharacteroftenappearsinweddingpapercuts?TheChinesecharacterofdoublehappinessoftenappearsinweddingpapercuts.3.WhichChinesecharacterofte4.Howispaper-cuttingrelatedtofashion?Byusingpaper-cuttinglikeapatterninclothingoronajewellerybox4.Howispaper-cuttingrelated5.WhyisthewritergoingtoseeMr.Chenagain?Tolearnpapercuttingfromhim.5.WhyisthewritergoingStudylanguagepoints

ReadpartIV(Importantpoints)onyourpaperquickly.Thentrytomakesentencesusingthefollowingwords.….papercutsfordecoration,forreligiouspurposes…….……canbefoundintombswhichdatebaketothetime…..Peopletowhomthedeadpersonwasrelatedwouldmake….(relateto)4.Iwasalsoreadytotryoutpaper-cuttingformyself.StudylanguagepointsReadparCompletethefollowingsentences:1Ican’t_________whathedoes_______(联系，涉及)whathesays.Allthings___________________(和……有联系)otherthings.3.我到那儿去是为了跟我的父母呆在一起。

Iwentthere____________________stayingwithmyparents.4.我们下个月将试验新的机器。

We’ll_________thenewmachinenextmonth.relatetoarerelatedto

forthepurposeoftryoutCompletethefollowingsentencGrammarRelativeClauses(1)GrammarFindtheserelativ