正文：
新概念二lesson 4 An exciting trip
练习材料：
I have just received a letter from my brother ,Tim .
/aɪ//hæv//dʒʌst//rɪ'siːvd//eɪ//'letə//frɒm//maɪ//'brʌðə//tim/
He is in Australia.
/hiː//ɪz//ɪn//ɔ'streiljə/
He has been there for six months.
/hiː//hæz//biːn//ðeə//fɔː//sɪks//mʌnθs/
Tim is an engineer.
/tim//ɪz//æn//endʒɪ'nɪə/
He is working for a big firm
/hiː//ɪz//'wɜːkɪŋ//fɔː//ə//bɪg//fɜːm/
and he has already visited a great number of
/ənd//hiː//hæz//ɔːl'redɪ//'vɪzɪt//ə//greɪt//'nʌmbə//ɒv/
different places in Australia.
/'dɪf(ə)r(ə)nt//ples//ɪn//ɔ'streiljə/
He has just bought an Australian car
/hiː//hæz//dʒʌst//bɔːt//æn//ɔ:ˈstreɪljən//kɑː/
and has gone to Alice Springs,
/ənd//hæz//gɒn//tə//'ælis//sprɪŋ/
a small town in the centre of Australia.
/ə//smɔːl//taʊn//ɪn//ðə//'sentə//ɒv//ɔ'streiljə/
He will soon visit Darwin.
/hiː//wɪl//suːn//'vɪzɪt//ˈdɑ:wɪn/
From there,he will fly to perth.
/frɒm//ðeə//hiː//wɪl//flaɪ//tə//pə:θ/
My brother has never been abroad before,
/maɪ//'brʌðə//hæz//'nevə//biːn//ə'brɔːd//bɪ'fɔː/
so he is finding this trip very exciting.
/səʊ//hiː//ɪz//'faɪndɪŋ//ðɪs//trɪp//ˈveri//ɪk'saɪtɪŋ/
任务配置：
L0 +L1 + L4
知识笔记：
选择/t/音练习，just,letter,tim,Australia,visited,great,different,bought,town,centre,
trip,exciting
/t/的读法，照着动嘴做
1. 1）/t/是爆破音，嘴巴微微张开，舌尖先紧贴上齿龈，憋住气。
2. 2）舌尖迅速下降，使气流冲出口腔，形成爆破音。
3. 3）/t/是清辅音，声带不震动，只能听到气流的声音。
纠错：不要用汉语拼音中的"t（特）"来代替这个发音。在词尾出现时，千万不要加上一个弱读的元音/ə/！这是中国人最容易犯的错误之一！
注意：/t/与辅音/r/、/w/、/l/或/s/相连构辅音连缀的发音。
练习感悟：
先慢慢读，不求快，求稳。
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