练习材料：
Lesson 13-2 The search for oil
The geologistneeds to know what rocks the drill has reached, so every so often a sample isobtained with a coring bit. It cuts a clean cylinder of rock, from which can beseen the strata the drill has been cutting through. Once we get down to theoil, it usually flows to the surface because great pressure, either from gas orwater, is pushing it. This pressure must be under control, and we control it bymeans of the mud which we circulate down the drill pipe. We endeavour to avoidthe old, romantic idea of a gusher, which wastes oil and gas. We want it tostay down the hole until we can lead it off in a controlled manner.
ðə sɜːʧ fɔːr ɔɪl
ðə ʤɪˈɒləʤɪst
niːdz tuː nəʊ wɒt rɒks ðə drɪl hæz riːʧt, səʊ ˈɛvri səʊ ˈɒf(ə)n ə ˈsɑːmpl ɪz əbˈteɪnd wɪð ə ˈkɔːrɪŋ bɪt. ɪt kʌts ə kliːn ˈsɪlɪndər ɒv rɒk, frɒm wɪʧ kæn biː siːn ðə ˈstrɑːtə ðə drɪl hæz biːn ˈkʌtɪŋ θruː. wʌns wiːgɛt daʊn tuː ði ɔɪl, ɪt ˈjuːʒʊəli fləʊz tuː ðə ˈsɜːfɪs bɪˈkɒz greɪt ˈprɛʃə, ˈaɪðəfrɒm gæs ɔː ˈwɔːtə, ɪz ˈpʊʃɪŋ ɪt. ðɪs ˈprɛʃə mʌst biː ˈʌndə kənˈtrəʊl, ænd wiːkənˈtrəʊl ɪt baɪ miːnz ɒv ðə mʌd wɪʧ wiː ˈsɜːkjʊleɪt daʊn ðə drɪl paɪp. wiː ɪnˈdɛvətuː əˈvɔɪd ði əʊld, rəʊˈmæntɪk aɪˈdɪə ɒv ə ˈgʌʃə, wɪʧ weɪsts ɔɪl ænd gæs. wiː wɒntɪt tuː steɪ daʊn ðə həʊl ənˈtɪl wiː kæn liːd ɪt ɒf ɪn ə kənˈtrəʊld ˈmænə.
任务配置：L0+L4
知识笔记：
单词：1、geologist：地质学家，2、sample：样品，样本，3、coring：取芯，去掉果核，4、coring bit：取芯钻头，5、cylinder：圆柱，气缸，6、strata：地层，社会阶级，7、circulate：流通，流传，8、endeavour：努力，9、gusher：涌出，喷出雾，喷油井，10、lead off：引路，带路
音标：
感悟：今天虽然状态不太对，应该要读起来很难受的，好在这篇文章相对来说难度也不大，长度也短，所以录了两遍就达标了
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