练习材料：
Lesson88 Trapped in a mine
Six men have beentrapped in a mine for seventeen hours. If they are not brought to the surfacesoon they may lose their lives. However, rescue operations are provingdifficult. If explosives are used, vibrations will cause the roof of the mineto collapse. Rescue workers are therefore drilling a hole on the north side ofthe mine. They intend to bring the men up in a special capsule. If there hadnot been a hard layer of rock beneath the soil, they would have completed thejob in a few hours. As it is, they have been drilling for sixteen hours andthey still have a long way to go. Meanwhile, a microphone, which was loweredinto the mine two hours ago, has enabled the men to keep in touch with theclosest relatives. Though they are running out of food and drink, the men arecheerful and confident that they will get out soon. They have been told thatrescue operations are progressing smoothly. If they knew how difficult it wasto drill through the hard rock, they would lose heart.
træpt ɪn ə maɪn
sɪks mɛn hæv biːn træpt ɪn ə maɪn fɔː ˈsɛvnˈtiːn ˈaʊəz. ɪf ðeɪ ɑː nɒt brɔːt tuː ðə ˈsɜːfɪs suːn ðeɪ meɪ luːz ðeə lɪvz. haʊˈɛvə, ˈrɛskjuː ˌɒpəˈreɪʃənz ɑː ˈpruːvɪŋ ˈdɪfɪkəlt. ɪf ɪksˈpləʊsɪvz ɑː juːzd, vaɪˈbreɪʃənz wɪl kɔːz ðə ruːf ɒv ðə maɪn tuː kəˈlæps. ˈrɛskjuː ˈwɜːkəz ɑː ˈðeəfɔː ˈdrɪlɪŋ ə həʊl ɒn ðə nɔːθ saɪd ɒv ðə maɪn. ðeɪ ɪnˈtɛnd tuː brɪŋ ðə mɛn ʌp ɪn ə ˈspɛʃəl ˈkæpsjuːl. ɪf ðeə hæd nɒt biːn ə hɑːd ˈleɪər ɒv rɒk bɪˈniːθ ðə sɔɪl, ðeɪ wʊd hæv kəmˈpliːtɪd ðə ʤɒb ɪn ə fjuː ˈaʊəz. æz ɪt ɪz, ðeɪ hæv biːn ˈdrɪlɪŋ fɔː ˈsɪksˈtiːn ˈaʊəz ænd ðeɪ stɪl hæv ə lɒŋ weɪ tuː gəʊ. ˈmiːnˈwaɪl, ə ˈmaɪkrəfəʊn, wɪʧ wɒz ˈləʊəd ˈɪntuː ðə maɪn tuː ˈaʊəz əˈgəʊ, hæz ɪˈneɪbld ðə mɛn tuː kiːp ɪn tʌʧ wɪð ðə ˈkləʊsɪst ˈrɛlətɪvz. ðəʊ ðeɪ ɑː ˈrʌnɪŋ aʊt ɒv fuːd ænd drɪŋk, ðə mɛn ɑː ˈʧɪəfʊl ænd ˈkɒnfɪdənt ðæt ðeɪ wɪl suːn gɛt aʊt. ðeɪ hæv biːn təʊld ðæt ˈrɛskjuː ˌɒpəˈreɪʃənz ɑː prəʊˈgrɛsɪŋ ˈsmuːðli. ɪf ðeɪ njuː haʊ ˈdɪfɪkəlt ɪt wɒz tuː drɪl θruː ðə hɑːd rɒk, ðeɪ wʊd luːz hɑːt.
任务配置：L0+L1+ L4
知识笔记：
单词：1、trapped：被困，2、explosive：爆破的，爆炸物，3、vibration：振动，振荡，4、collapse：坍塌，崩溃，5、drilling：钻孔，6、capsule：胶囊，瓶盖，7、layer：层，地层，8、beneath：在……下面，底下，9、lowered：降低，10、run out：用完，期满，11、progressing：进展，12、
音标：/∫/ 双唇微开，向前突出，舌尖升近上龈，用力将气息送出来，发“师”音。
练习感悟：录了两遍就达标了，虽然中间有好多地方打结了，但是整体还算可以
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