练习材料：
Lesson 26-2 Thepast life of the earth
The remains ofplants and animals that lived on land are much more rarely preserved, for thereis seldom anything to cover them over. When you think of the innumerable birdsthat one sees flying about, not to mention the equally numerous small animalslike field mice and voles which you do not see, it is very rarely that one comesacross a dead body, except, of course, on the roads. They decompose and arequickly destroyed by the weather or eaten by some other creature.
It is almostalways due to some very special circumstances that traces of land animalssurvive, as by falling into inaccessible caves, or into an ice crevasse, likethe Siberian mammoths, when the whole animal is sometimes preserved, as in arefrigerator.
ðə pɑːst laɪf ɒv ði ɜːθ
ðə rɪˈmeɪnz ɒv plɑːnts ænd ˈænɪməlz ðæt lɪvd ɒn lænd ɑː mʌʧ mɔː ˈreəli prɪˈzɜːvd, fɔː ðeər ɪz ˈsɛldəm
ˈɛnɪθɪŋ tuː ˈkʌvə ðɛm ˈəʊvə. wɛn juː θɪŋk ɒv ði ɪˈnjuːmərəbl bɜːdz ðæt wʌn siːz
ˈflaɪɪŋ baʊt, nɒt tuː ˈmɛnʃən ði ˈiːkwəli ˈnjuːmərəs smɔːl ˈænɪməlz laɪk fiːld
maɪs ænd vəʊlz wɪʧ juː duː nɒt siː, ɪt ɪz ˈvɛri ˈreəli ðæt wʌn kʌmz əˈkrɒs ə dɛd
ˈbɒdi, ɪkˈsɛpt, ɒv kɔːs, ɒn ðə rəʊdz. ðeɪ ˌdiːkəmˈpəʊz ænd ɑː ˈkwɪkli dɪsˈtrɔɪd baɪ ðə ˈwɛðər ɔːr ˈiːtnbaɪ sʌm ˈʌðə ˈkriːʧə.
ɪt ɪz ˈɔːlməʊst ˈɔːlweɪzdjuː tuː sʌm ˈvɛri ˈspɛʃəl ˈsɜːkəmstənsɪz ðæt ˈtreɪsɪz ɒv lænd ˈænɪməlz səˈvaɪv,æz baɪ ˈfɔːlɪŋ ˈɪntuː ˌɪnækˈsɛsəbl keɪvz, ɔːr ˈɪntuː ən aɪs krɪˈvæs, laɪk ðə saɪˈbɪərɪənˈmæməθs, wɛn ðə həʊl ˈænɪməl ɪz ˈsʌmtaɪmz prɪˈzɜːvd, æz ɪn ə rɪˈfrɪʤəreɪtə.
任务配置：L0 + L4
知识笔记：
单词：1、innumerable：无数，不计其数，2、fly about：飞来飞去，3、numerous：很多的，众多，大量，4、voles：田鼠，5、decompose：分解，腐烂，破坏，6、inaccessible：无法进入，闭塞，7、crevasse：裂缝，冰隙，8、Siberian：西伯利亚，9、mammoth：长毛象，猛犸象，10、refrigerator：冰箱
音标：
练习感悟：这篇文章的难度还是比较大的，读起来结结巴巴的，有好几个生词，读起来都非常拗口，最后虽然录了两三遍就达标了，但是很勉强，有好几处打结的地方。
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