文档介绍：辅音字符th清与浊的两种读音规则:当位于词首时,可以从词性上判别其应有的读音。第一类:四种词类th读清音,即国际音标的/θ/:1、Noun名词:thing,theatre,thumb大拇指,thunder雷,Thursdaythroat喉咙theory,theme主题2、Verb动词:think,thank,throw,扔,投掷3、Numeral数词:three,thirteen,thirty,third,thousand4、Adjective形容词:thin,thick,thirsty,thorough彻底的第二类:在以下两种词类th读浊音/ð/:1、Pronoun代词:they,them,their,theirs,this,these,that,those,there,2、Functionalterms功能词:the,than,then,though,thus,therefore二、当位于词尾(或音节之尾)时:1、多数是清音/θ/。如:bath,breath,both,cloth,tooth,health,wealth等。2、少数单词读浊音/ð/。如:with,smooth等。三、当位于两个元音之间时:1、多数是浊音/ð/如:other,mother,brother,another,father,weather等。2、也有读清音的/θ/如:method,nothing,anything,healthy,wealthy等。注意:发出地道的“th”:将你的舌尖略微伸出嘴,上齿轻咬舌尖部位,气流通过舌齿间的缝隙,将音发出。要留一条缝隙,否则音发不出来。