5双元音

预备口语-双元音双元音主要有：[ei][əu][ai][au][ɔi][iə][uə][ɛə][ei]Warmingup:Ihateyou.It’sok.Great!Rainyday.[ei]correction:等于英式英语中的/ei/，但在美式英语中用[e]表示此双元音。发音规则：无论音标如何，这个音是个双元音，有两个成分构成：[ɛ]和[ɪ]，但是在实际发音时前一个成分发得要比[ɛ]的口型略小。发音时前长后短，前重后轻。Modelwords:agemakefacedateladyhaterainmailgaytheygreateightlatetapeKOcakedaygameSentences&idioms:Callaspadeaspade.直言不讳,有话直说Morehaste,lessspeed.欲速则不达。Nopains,nogains.一分耕耘一分收获。It’spaydaytoday.Thetrainwasdelayedbytherain.What’syourname?MynameisDavid.Let’sbakeacaketocelebrateJane’sbirthday.EightthousandeighthundredandeightyeightTonguetwister:Jamesthejailerchangedthejail’schairsandchainedthechairstothejail.[əu]Warmingup:Heisold.Iamgoingbackhome.no[əu]-correction:在美式英语当中[əu]是/O/.发音规则：注意两个音素的滑动，尽量做到圆润，饱满。这个音在美音中的发音要更向后收，尾音的[ʊ]感觉要更强烈一些。Modelwords:hopehomelocalbrokegoatsoaptoepoemshowmomentgrowownthoughcloseposeloanwindowtoadroadtollSentences&idioms:Manproposes,Goddisposes.谋事在人,成事在天...Arollingstonegathersnomoss.滚石不生苔；见异思迁终无所得Thereisnosmokewithoutfire.无风不起浪。Heposedforagroupofphotoswithhisoldfellows.WheninRome,doasRomansdo.入乡随俗。Tonguetwister:Iknow.Youknow.Iknowthatyouknow.IknowthatyouknowthatIknow.[ai]Warmingup:Rideabike.I’mfine.Haveatry.Goodbye.[ai]发音规则：这个双元音在发音过程中口形变动较大，由舌位最低的[a]滑动到舌位较高的[ɪ]，第一个音素清晰响亮，第二个音则短促模糊。Modelwords:ImyminewhitefinebuydiewhypienightrightdivestylewinegoodbyelimeSentences&idioms:Acathasninelives.Greatmindsthinkalike.Outofsight,outofmind.Strikewhentheironishot.Silentnight,holynight.Thekiteisflyinghighinthesky.Timeandtidewaitfornoman.Tonguetwister:Mikelikestowritebythenicebrightlightatnight.[au]Warmingup:Getout,now!Don’tshout!Thisismyhouse.[au]发音规则：在滑动过程中口形变化较大，由舌位较低的[a]滑动到舌位较高的[ʊ]，由大开口改为合圆唇。第一个音素清楚响亮，第二个音素模糊短促。Modelwords:cowflowerhousehoundmousemouthnowourproudshoutsowtoweltownloudclouddownSentences&idioms:let’sgetoutofherenow.Thereisnodoubtaboutit.Soundinbody,soundinmind.Heisout-and-outpowerpolitics.He’sanightowl.He’soutoftowneverynowandthen.Openyourmouthandpronouncethissoundloudly.[ɔi]Warmingup:Theboygavemeacoin.Thenoiseisveryannoying.That’sthepoint.[ɔi]:口形由[ɔ]向[ɪ]滑动，由开圆唇改为扁圆唇，前长后短，前重后轻。Modelwords:annoyboycoinoiloystermoistsoilvoicejoyavoidchoicejointSentences&idioms:Lifeisaboutmakingchoices.Spoilingyourchildwilldestroyyourchild'sfuture.Oneman’smeatisanother’spoison.甲之蜜糖，乙之砒霜Sparetherod,spoilthechild.不打不成器Enjoyyourvoyage./bonvoyage!集中双元音：[iə][uə][ɛə]Modelwords:beerbearpoordeardareendurerearrareluresheersharesuretearteartourstarepuresquareFromwhataspectsdoyouthinkacountry’seducationalsystemcanbeimproved?Whatsuggestionsdoyouhaveonthisissue?Pleaseexplainyouropinionwithreasons.Obama'sWeeklyAddressWEEKLYADDRESS:StrengtheningtheAmericanEducationSystemEducationisanessentialpartofthiseconomicagenda.Itisanundeniablefactthatcountrieswhoout-educateustodaywillout-competeustomorrow.Businesseswillhirewhereverthehighly-skilled,highly-trainedworkersarelocated.Buttoday,ourstudentsareslidingagainsttheirpeersaroundtheglobe.Today,ourkidstrailtoomanyothercountriesinmath,science,andreading.Asmanyasaquarterofourstudentsarenotevenfinishinghighschool.Andwehavefallento16thintheproportionofouryoungpeoplewithacollegedegree,eventhoughweknowthatsixtypercentofnewjobsinthecomingdecadewillrequiremorethanahighschooldiploma.Whatthismeansisthatifweareseriousaboutbuildinganeconomythatlastsandaneconomyinwhichhardworkpaysoffwiththeopportunityforsolidmiddleclassjobs.wehadbetterbeseriousabouteducation.Wehavetopickupourgameandraiseourstandards.Asanation,wehaveanobligationtomakesurethatallchildrenhavetheresourcestheyneedtolearn,qualityschools,goodteachers,thelatesttextbooksandtherighttechnology.Butmoneyalonewon'tsolveoureducationproblems.Wealsoneedreform.Weneedtomakesurethateveryclassroomisaplaceofhighexpectationsandhighperformance.Thathasbeenourvisionsincetakingoffice.Andthatiswhyinsteadofjustpouringmoneyintoasystemthatwasn'tworking,welaunchedacompetitioncalledRacetotheTop.Toallfiftystates,wesaid,Ifyoushowusthemostinnovativeplanstoimproveteacherqualityandstudentachievement,we'llshowyouthemoney.Thatwillchangebecauseofwhatwedidyesterday.Fromnowon,we'llbeabletoencouragetheprogressatschoolslikeRiccis.Fromnowon,peoplelikeJohnBecker,whoteachesatoneofthehighest-performingmiddleschoolsinD.C.,willbeabletofocusonteachinghis4thgradersmathinawaythatimprovestheirperformanceinsteadofjustteachingtoatest.SuperintendentslikeDavidEstropfromOhiowillbeabletofocusonimprovingteachingandlearninginhisdistrictinsteadofspendingallhistimeonbureaucraticmandatesfromWashingtonthatdon'tgetresults.Thisisn'tjusttherightthingtodoforourkids,it'stherightthingtodoforourcountry,andourfuture.Itistimetoputourteachersbackonthejob.Itistimetorebuildandmodernizeourschools.Anditistimetoraiseourstandards,upourgame,anddoeverythingittakestoprepareourchildrentosucceedintheglobaleconomy.Nowisthetimetoonceagainmakeoureducationsystemtheenvyoftheworld.