练习材料：
The Greenwood Boys are a group of pop singers. At present, they are visiting all parts of the country. They will be arriving here tomorrow. They will be coming by train and most of the young people in the town will be meeting them at the station. Tomorrow evening they will be singing at the Workers' Club. The Greenwood Boys will be staying for five days. During this time, they will give five performances. As usual, the police will have a difficult time. They will be trying to keep order. It is always the same on these occasions.
全文音标：
ðə ˈgrinˌwʊd bɔɪz ɑr ə grup ʌv pɑp ˈsɪŋərz. æt ˈprɛzənt, ðeɪ ɑr ˈvɪzətɪŋ ɔl pɑrts ʌv ðə ˈkʌntri. ðeɪ wɪl bi əˈraɪvɪŋ hir təˈmɑˌroʊ. ðeɪ wɪl bi ˈkʌmɪŋ baɪ treɪn ænd moʊst ʌv ðə jʌŋ ˈpipəl ɪn ðə taʊn wɪl bi ˈmitɪŋ ðɛm æt ðə ˈsteɪʃən. təˈmɑˌroʊ ˈivnɪŋ ðeɪ wɪlbi ˈsɪŋɪŋ æt ðə ˈwɜrkərz klʌb. ðə ˈgrinˌwʊd bɔɪz wɪl bi ˈsteɪɪŋ fɔr faɪv deɪz. ˈdʊrɪŋ ðɪs taɪm, ðeɪ wɪl gɪv faɪv pərˈfɔrmənsəz. æzˈjuʒəwəl, ðə pəˈlis wɪl hæv ə ˈdɪfəkəlt taɪm. ðeɪ wɪl bi ˈtraɪɪŋ tu kip ˈɔrdər. ɪt ɪz ˈɔlˌweɪz ðə seɪm ɑn ðiz əˈkeɪʒənz.
任务配置：L0+L4
知识笔记：
1. 查的单词
occasion/əˈkeɪʒənz/ 这里的s是浊音
2.音标
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