语言除了在呼气时气流振动声带发出声音外,鼻咽、口腔都起到了共鸣作用,吐字是否清楚与舌、齿、腭、唇都有关系。孩子说话不清楚常被人们叫做大舌头。当他们吐舌时舌头圆钝,不会做卷舌的动作,发卷舌音的字时含混不清。经过一定的练习让孩子做卷舌动可逐渐改善卷舌音使之清楚。
有些孩子因舌系带短不能吐舌而影响发音,可经过简单手术治疗而改善。另一些孩子有先天的腭裂,母亲喂奶困难,经过腭裂修补手术后,通过发音训练才能除鼻音而发出正确的语音。如果伴有唇裂就要早一些手术才能有吸吮功能和发奔唇功能。还有一睦其他情况如后鼻孔闭锁、喉蹼、喉狭窄及乳头状瘤等要经过仔细检查给予正确的治疗后才能改善发音。
然而不少孩子口腔各部位发育正常,但有发音不准的问题。如四和十、师和施、姥和袄、奶和矮、多和拖不分等。这些都是辅音分不清楚,四岁时可以让孩子念绕口令,对分不清楚的音多次重复对照,通过练习能够改正。要使孩子发准确。应当在6~12个月时诱导孩子发出辅音,每个辅音要口对口的慢慢练习。婴儿期孩子发出的辅音越多学讲话时语言的清晰程度越高。如果3~4岁时讲话不清楚也可以单个辅音练习,分清辅音才能使语音准确。
四岁时是语音的口腔定型期,生长在不同方言地区的孩子会带有该地区方言的发音特征。四岁孩子同不同方言的人接触就能学到比较地道的方言口音,如果到国外也能很快学到十分地道的外语。过了口腔定型期再学习发出的声音就会带上自己母语方言的音调使人听出带有某处的口音。所以为了发音准确可以抓紧在4岁时学习某种方言或某种外语。
少儿英语单词儿歌大全
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