英语语音练习题及答案篇一：英语语音学课后问答题答案】themakingof(1) /t,d/p57/t/isavoicelessalveolarplosiveconsonant/d/isavoicedalveolarplosiveconsonant/t/thetopofthetongueisraisedtotouchtheteethridgeoralveolus,thesoftpalateisraised,sothatthenasalresonatorisshutoff.inthisway,aclosureisformedbetweenthetipofthetongueandtheteethridge.thentheairfromthelungiscompressedbehindthisclosureandthensuddenlyreleasetheclosure.thevocalfoldsareopenorwideapart,whilethevocalfoldsvibrateinproducingthesound/d/.(2) /s,z/p62/s/isavoicelessblade-alveolarfricativesound/z/isavoicedalveolarfricativeconsonantthesoftpalateisraised,sothatthenasalresonatorisshutoff.thetipandbladeofthetonguemakealightcontactwithupperteethridge.theairfromthelungescapesthroughthenarrowgrooveinthecenterofthetonguebetweentheteeth.(3) /n/p68/n/isavoicedalveolarnasalconsonanta. lowerthesoftpalatetoreleasetheairthroughthenose;b.putthetipofthetongueagainsttheupperfrontteeth-ridgeanduppersideteeth;c. keeptheteethslightlyparted;d. vibratethevocalcords.sothattheairstreamfromthelungescapesthroughthenarrowgrooveinthecenterofthetongueinproducingthesound.(4) /l/p65/l/isavoicedalveolarlateralconsonanta. closethenasalcavitybyraisingthesoftpalate;b.putthetipofthetongueagainsttheupperfrontteeth-ridgeforclear/l/,thefrontofthetonguebeingsomewhatdepressed;c. holdtheairinthemiddleofthemouth;d.forcetheairoutoverbothsidesoronesideofthetongue,makingalateralvoicedsound.2. classifythevowelsindifferentways.p16-17thepurevowelscanbeclassifiedaccordingtodifferent4principles.(2) accordingtothelengthofthevowels,theyaredividedintolongvowelsandshortvowels.thepurevowelsintranscriptionwithtwodotsarelongvowels.thediphthongsarealsolong.therestareshortones.(3) accordingtotheshapeofthelips,thevowelscanbedividedintoroundedvowelsanduounded(spread)vowels.theroundedvowelsare/?://u://?//?/andtherestareuoundedvowels.(4) accordingtothedegreeoftensenessofthemuscles,thepurevowelsareclassifiedastheeightdiphthongscanbeclassifiedasclosingdiphthongs/e?/...
