练习材料：
L47-1: Too high aprice?
Pollution is theprice we pay for an overpopulated, over industrialized planet. When you come tothink about it, there are only four ways you can deal with rubbish: dump it,burn it, turn it into something you can use again, attempt to produce less ofit. We keep trying all four methods, but the sheer volume of rubbish we produceworldwide threatens to overwhelm us.
Rubbish, however,is only part of the problem of polluting our planet. The need to produceever-increasing quantities of cheap food leads to a different kind ofpollution. Industrialized farming methods produce cheap meat products: beef,pork and chicken. The use of pesticides and fertilizers produces cheap grainand vegetables. The price we pay for cheap food may be already too high: MadCow Disease (BSE) in cattle, salmonella in chicken and eggs, and listeria indairy products. And if you think you'll abandon meat and become a vegetarian,you have the choice of very expensive organically-grown vegetables or a steadydiet of pesticides every time you think you're eating fresh salads andvegetables, or just having an innocent glass of water!However, there is an evenmore insidious kind of pollution that particularly affects urban areas andinvades our daily lives, and that is noise.
tuː haɪ ə praɪs?
pəˈluːʃən ɪz ðə
praɪs wiː peɪ fɔːr ən ˌəʊvəˈpɒpjʊleɪtɪd, ˈəʊvər ɪnˈdʌstrɪəlaɪzd ˈplænɪt. wɛn juː kʌm tuː θɪŋk əˈbaʊt ɪt, ðeər ɑːr ˈəʊnli fɔː weɪz juː kæn diːl wɪð ˈrʌbɪʃ: dʌmp ɪt, bɜːnɪt, tɜːn ɪt ˈɪntuː ˈsʌmθɪŋ juː kæn juːz əˈgɛn, əˈtɛmpt tuː ˈprɒdjuːs lɛs ɒv ɪt.wiː kiːp ˈtraɪɪŋ ɔːl fɔː ˈmɛθədz, bʌt ðə ʃɪə ˈvɒljʊm ɒv ˈrʌbɪʃ wiː ˈprɒdjuːs ˌwɜːldˈwaɪdˈθrɛtnz tuː ˌəʊvəˈwɛlm ʌs. ˈrʌbɪʃ, haʊˈɛvə, ɪz ˈəʊnli pɑːt ɒv ðə ˈprɒbləm ɒv pəˈluːtɪŋ ˈaʊə ˈplænɪt. ðə niːd tuː ˈprɒdjuːs ˈɛvər-ɪnˈkriːsɪŋ ˈkwɒntɪtiz ɒv ʧiːp fuːd liːdz tuː ə ˈdɪfrənt kaɪnd ɒv pəˈluːʃən. ɪnˈdʌstrɪəlaɪzd ˈfɑːmɪŋ ˈmɛθədz ˈprɒdjuːs ʧiːp miːt ˈprɒdʌkts: biːf, pɔːk ænd ˈʧɪkɪn. ðə juːz ɒv ˈpɛstɪsaɪdz ænd ˈfɜːtɪlaɪzəz ˈprɒdjuːsɪz ʧiːp greɪn ænd ˈvɛʤtəb(ə)lz. ðə praɪs wiː peɪ fɔː ʧiːp fuːd meɪ biː ɔːlˈrɛdi tuː haɪ: mæd kaʊ dɪˈziːz (biː-ɛs-iː) ɪn ˈkætl, salmonella ɪn ˈʧɪkɪn ænd ɛgz, ænd listeria ɪn ˈdeəri ˈprɒdʌkts. ænd ɪf juː θɪŋk juːl əˈbændən miːt ænd bɪˈkʌm ə ˌvɛʤɪˈteərɪən, juː hæv ðə ʧɔɪs ɒv ˈvɛri ɪksˈpɛnsɪv ɔːˈgænɪk(ə)li-grəʊn ˈvɛʤtəb(ə)lz ɔːr ə ˈstɛdi ˈdaɪət ɒv ˈpɛstɪsaɪdz ˈɛvri taɪm juː θɪŋk jʊər ˈiːtɪŋ frɛʃ ˈsælədz ænd ˈvɛʤtəb(ə)lz, ɔː ʤʌst ˈhævɪŋ ən ˈɪnəsənt glɑːs ɒv ˈwɔːtə!haʊˈɛvə, ðeər ɪz ən ˈiːvən mɔːr ɪnˈsɪdɪəs kaɪnd ɒv pəˈluːʃənðæt pəˈtɪkjʊləli əˈfɛkts ˈɜːbən ˈeərɪəz ænd ɪnˈveɪdz ˈaʊə ˈdeɪli lɪvz, ænd ðæt ɪznɔɪz.
任务配置：L0+ L4
知识笔记：
单词：1、pollution：污染，玷污，2、overpopulated：人口过多，3、industrialized：工业化，4、planet：行星，地球，5：dump：倾倒，6、sheer：绝对，纯粹，7、volume：体积，8、threaten：威胁，9、overwhelm：覆没，压到，10、ever-increasing：不断增加，11、beef：牛肉，12、pesticide：农药，13、fertilizer：肥料，14、grain：粮食，15、mad cow disease：疯牛病，16、cattle：牛，17、salmonella：沙门氏菌，18、listeria：李斯特菌，19、dairy：乳制品，20、abandon：放弃，舍弃，21、vegetarian：素食主义者，22、organically-grown：有机种植，23、diet：饮食，24、innocent：清白的，无辜的，25、insidious：阴险，26、urban：城市的，27、invade：入侵，侵入
音标：
练习感悟： 今天这篇文章，读慢点就超时，读快点就太快了，因为难度大，实在是无法达标，所以只能将就，比录音快了2秒，也就算过了，没办法了，读到头都晕了
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