练习材料：
Lesson 13-1 The search for oil
The deepest holesof all are made for oil, and they go down to as much as 25,000 feet. But we donot need to send men down to get the oil out, as we must with other mineraldeposits. The holes are only borings, less than a foot in diameter. Myparticular experience is largely in oil, and the search for oil has done moreto improve deep drilling than any other mining activity. When it has beendecided where we are going to drill, we put up at the surface an oil derrick.It has to be tall because it is like a giant block and tackle, and we have tolower into the ground and haul out of the ground great lengths of drill pipewhich are rotated by an engine at the top and are fitted with a cutting bit atthe bottom.
ðə sɜːʧ fɔːr ɔɪl
ðə ˈdiːpɪst həʊlz ɒv
ɔːl meɪd fɔːr ɔɪl, ænd ðeɪ gəʊ daʊn tuː æz mʌʧ æz 25,0000 fiːt. bʌt wiː duː nɒt
niːd tuː sɛnd mɛn daʊn tuː gɛt ði ɔɪl aʊt, æz wiː mʌst wɪð ˈʌðə ˈmɪnərəl dɪˈpɒzɪts.
ðə həʊlz ɑːr ˈəʊnli ˈbɔːrɪŋz, lɛs ðæn ə fʊt ɪn daɪˈæmɪtə.
maɪ pəˈtɪkjʊlər ɪksˈpɪərɪəns ɪz ˈlɑːʤli ɪn ɔɪl, ænd ðə sɜːʧ fɔːr ɔɪl hæz dʌn mɔː tuː ɪmˈpruːv
diːp ˈdrɪlɪŋ ðæn ˈɛni ˈʌðə ˈmaɪnɪŋ ækˈtɪvɪti. wɛn ɪt hæz biːn dɪˈsaɪdɪd weə wiːɑː ˈgəʊɪŋ tuː drɪl, wiː pʊt ʌp æt ðə ˈsɜːfɪs
ən ɔɪl ˈdɛrɪk. ɪt hæz tuː biː tɔːl bɪˈkɒz ɪt ɪz laɪk ə ˈʤaɪənt blɒk ænd ˈtækl,
ænd wiː hæv tuː ˈləʊər ˈɪntuː ðə graʊnd ænd hɔːl aʊt ɒv ðə graʊnd greɪt lɛŋθs ɒv
drɪl paɪp wɪʧ ɑː rəʊˈteɪtɪd baɪ ən ˈɛnʤɪn æt ðə tɒp ænd ɑː ˈfɪtɪd wɪð ə ˈkʌtɪŋ bɪt æt ðə ˈbɒtəm.
任务配置：L0+L4
知识笔记：
单词：1、mineral：矿物，矿产，2、deposit：订金，存款，储藏，3、diameter：直径，4、mining：采矿，矿业，5、derrick：井架，起重机，6、giant：巨大的，庞然大物，7、block：堵塞，木块，分组，8、tackle：处理，逮捕，用具，工具，9、pipe：管道，导管，10、rotated：旋转
音标：
感悟：今天的文章，虽然比较短，但是感觉还是挺有难度的，文章内容比较专业，单词也读起来有点拗口，大概录了四五遍就达标了
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