练习材料：
Lesson 4 An exciting trip
I have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice Springs, a small town in the centre of Australia. He will soon visit Darwin. From there, he will fly to Perth. My brother has never been abroad before, so he is finding this trip very exciting.
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收到Jack-北京-健身的点评：@cloria-济南-设计 visited这个应该重度哈，你发音太平
今天练习的的元音[i:]
任务配置：L0+L1+L4
今天改变了读的办法，跟着录音一遍一遍地读，自己感觉好像是比前几天通顺一些了，今天终于有人给我点评了，好开心，可是自己还是不敢给其他人点评，还是不够有自信。另外就是查音标的时候很多美音的发音感觉不太对，可是又找不到权威的版本，准备等改天休息的时候去把地下室的词典翻出来……
