内容正文:
新版PEP四年级上册第五单元
th 组合的发音规则和练习
清辅音 /θ/ th
浊辅音 /ð/
一.th组合发/θ/:
three(三) thin (瘦的) think (思考)
tooth (牙齿)(复数 teeth ) math (数学)
thank (感谢) bath (洗澡) path (小路)
thirsty(口渴的) thirty(三十) mouth(嘴)
2. th组合发/ð/:
this (这个) that (那个) these(这些)
those (那些) the(定冠词) they (他们)
there (那里) then (然后) them(他们宾格)
than(比) with(和…… 一起)
mother(妈妈) father(爸爸) brother(哥弟) together (一起) weather(天气) mouth(嘴)
练习
一.选出画线发音不同的一项
( )1.A thirsty B.this C.thank D.thin
( )2.A. three B.mother C.together D.that
( )3.A.them B.these C.they D.mouth
( )4.A. weather B.think C.with D.there
( )5.A. their B.weather C.thin D.brother
二.判断下列单词画线部分发音是(T)否(F)相同。
( )1. those that the
( )2. thin mother weather
( )3. there three thirsty
( )4. the mother thank
( )5. three thin math
( )6. father thank three
( )7. that these their
( )8. these thirsty think
( )9. weather father them
( )10.they there tooth
3. 将下列单词按照th组合的发音进行归类。
three than thirty mother
with father thin this
that these think those
tooth the they teeth
math thank bath path
thirsty there then them
brother together weather
/θ/:_____________________________________________________________________________________________________________________
/ð/:_____________________________________
_______________________________________________________________________________
答案:
一.1-5:BADBC
二.1-10:TFFFTFTFTF
三.
/θ/:three thirty thin think tooth teeth
math thank bath path thirsty
/ð/: than mother with father this thank
that these those the they there
then them brother together weather
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