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1、,英语语音与语法,语音第二讲,Diphthongs 双元音,特点:由一个元音向另一个元音迅速滑动;前一个元音发音清晰响亮,后一个比较模糊微弱;前一个元音发音比较长,后一个比较短促。,Fricatives 摩擦音,发清辅音声带不振动,发浊辅音声带振动;发 时,上齿轻扣下唇,气流从唇齿间泄出,摩擦成音;发 时,舌尖放在双齿之间,气流从舌齿间的窄缝泄出,摩擦成音。,Fricatives 摩擦音,发 时,舌尖抵下齿,舌端靠近上齿龈,气流从舌端齿龈间泄出,摩擦成音;发 时,舌尖卷起或抬起抵近上齿龈,舌前抬向硬腭,气流从舌端、舌尖、上齿龈后部形成的窄缝中泄出,摩擦成音。双唇稍向前突出,稍收圆。,Frica
2、tives 摩擦音,在单词的读音中,【h】音的口型、舌位不定,随其后的元音而变化。发【r】时,舌尖卷起,双唇稍微突起并收圆,声带振动。,辨音,V.S.,sin thinsing thingsink thinksick thicksank thanksought thought some thumbseem theme,辨音,V.S.,shine signshow sewsheet seatshake sakeshower sourshame same,Practice:Tongue Twisters,I saw Susie sitting in a shoe shine shop.Where she sits she shines,and where she shines she sits.She sells sea shells on the seashore.The seashells she sells are seashells she is sure.She sifted thistles through her thistle-sifter.,