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1、失去爆破两个爆破音（/p/,/b/,/t/,/d/,/k/,/g/）在一起，前一个爆破音常常失去爆破，即不发音，只有一个发音的动作，听起来有略微停顿而没有将音发出。Forexample,abigbag中，/g/失去爆破。也叫“完全失去爆破”。如果爆破音后为摩擦音（/s,z,f,v,ʃ,θ,ʒ,ð/）；破擦音(/ʧ,ʤ,tr,dr,ts,dz/)；和鼻音(/m,n/)时，有轻微的失爆现象，为“不完全失去爆破”。Wordsandexpressions:Kee(p)backgra(p)esugarjo(b)descriptionCa(b)driverpe(t)dogswee(t)dreamBlac(
2、k)boardli(k)ethisdo(g)biscuitBi(g)churchSentences:1:MyfavoriteprogramisTheRoa(d)toMusic.2:Hewasinthelea(d)duringtherace.3:Iwonderifyoucoul(d)tellmesomethingaboutFrance.4:Haveyourea(d)today’snewspaper?5:Thenoveldescribesavivi(d)pi(c)tureoflifeinavillage.6:Heorganizedabi(g)band.7:Ibelieveyou’llma(k)eg
3、ood.8:Theworkisabi(t)difficult(t)forme.精选范本,供参考！9:Wha(t)dayistoday?10:Sheisno(t)slimenoughtowearthesetigh(t)trousers.11:Thatwoul(d)certainlybeconvenient.12:ProfessorGreenhasadee(p)mind.13:Oneofthemwen(t)north,andtheotherwen(t)south.14:I’mdrawingawhi(t)ebearonthebla(ck)board.15:A:Iwantacupofbla(ck)co
4、ffee.Howaboutyou?B:Iwantwhi(t)ecoffee.PairPractice:1)A:Excuseme.IsthistheNo.10bus?B:No.ThisistheNo.20bus.A:Oh,Iamonthewrongbus.B:Whereareyougoing?A:I’mgoingtotheNaturalMuseum.B:YoucangetoffatthenextstopandchangetotheNo.9bus.A:Thanksalot.B:Youarewelcome.2)Onedayinadrawingclass,theteachertoldtheclasst
5、odrawanabstractdrawing.Afterawhile,asmallboyturnedhisdrawingin.Theteacherlookedatitbutsawnothing,onlyapieceofwhitepaper.“Whatdidyoudraw?”saidtheteacher.精选范本,供参考！“Acoweatinggrass,”theboyanswered.“Whereisthegrass?”“Thecowhaseatenitup,”repliedtheboy.“Well,butwhereisthecow?”theteacheraskedagain.“Itateup
6、thegrassandthenwentawaytodrinkwater.”音的浊化口语中有些清辅音受前后音影响，发生浊化，听起来近似于其对应的浊辅音，如speak/spi:k/的实际读音近似于/sbi:k/。清辅音：/p/,/t/,/k/,/f/,/s/,/h/,/θ/,/ʃ/浊辅音：/v/,/z/,/r/,/w/,/j/,/ð/,/ʒ/,/b/,/d/辅音的浊化比较常见的有两种：1.辅音/s/后的清辅音常有浊化现象。如speed/spi:d/中的/p/浊化为/b/。这种浊化主要表现在清辅音/p//t//k//tr/上。该现象不仅出现在一个词内部，也出现在连读中。Practice:sporte
7、xpensivespendschoolsculptureskirtsquaresquirrelsqueakstrikeAustraliastreetHissisterlikesallkindsofsports.MissGreen’sskirtisveryexpensive.Thestatueintheparkhasbeenstolen.A:Weplantobuildabuildinghere.精选
