练习材料：
L38-2: The firstcalendar
Historians havelong been puzzled by dots, lines and symbols which have been engraved on walls,bones, and the ivory tusks of mammoths. The nomads who made these markingslived by hunting and fishing during the last Ice Age which began about 35,000B.C. and ended about 10,000 B.C. By correlating markings made in various partsof the world, historians have been able to read this difficult code. They havefound that it is connected with the passage of days and the phases of the moon.It is, in fact, a primitive type of calendar. It has long been known that thehunting scenes depicted on walls were not simply a form of artistic expression.They had a definite meaning, for they were as near as early man could get towriting. It is possible that there is a definite relation between thesepaintings and the markings that sometimes accompany them. It seems that man wasmaking a real effort to understand the seasons 20,000 years earlier than hasbeen supposed.
ðə fɜːst ˈkælɪndə
hɪsˈtɔːrɪənz hæv lɒŋ biːn ˈpʌzld baɪ dɒts, laɪnz ænd ˈsɪmbəlz wɪʧ hæv biːn ɪnˈgreɪvd ɒn wɔːlz, bəʊnz, ænd ði ˈaɪvəri tʌsks ɒv ˈmæməθs. ðə ˈnəʊmədz huː meɪd ðiːz ˈmɑːkɪŋz lɪvd baɪ ˈhʌntɪŋ ænd ˈfɪʃɪŋ ˈdjʊərɪŋ ðə lɑːst aɪs eɪʤ wɪʧ bɪˈgæn əˈbaʊt 35,000 biː.siː. ænd ˈɛndɪd əˈbaʊt 10,000 biː.siː. baɪ ˈkɒrɪleɪtɪŋ ˈmɑːkɪŋz meɪd ɪn ˈveərɪəs pɑːts ɒv ðə wɜːld, hɪsˈtɔːrɪənz hæv biːn ˈeɪbl tuː riːd ðɪs ˈdɪfɪkəlt kəʊd. ðeɪ hæv faʊnd ðæt ɪt ɪz kəˈnɛktɪd wɪð ðə ˈpæsɪʤ ɒv deɪz ænd ðə ˈfeɪzɪz ɒv ðə muːn. ɪt ɪz, ɪn fækt, ə ˈprɪmɪtɪv taɪp ɒv ˈkælɪndə. ɪt hæz lɒŋ biːn nəʊn ðæt ðə ˈhʌntɪŋ siːnz dɪˈpɪktɪd ɒn wɔːlz wɜː nɒt ˈsɪmpli ə fɔːm ɒv ɑːˈtɪstɪk ɪksˈprɛʃən. ðeɪ hæd ə ˈdɛfɪnɪt ˈmiːnɪŋ, fɔː ðeɪ wɜːr æz nɪər æz ˈɜːli mæn kʊd gɛt tuː ˈraɪtɪŋ. ɪt ɪz ˈpɒsəbl ðæt ðeər ɪz ə ˈdɛfɪnɪt rɪˈleɪʃən bɪˈtwiːn ðiːz ˈpeɪntɪŋz ænd ðə ˈmɑːkɪŋz ðæt ˈsʌmtaɪmz əˈkʌmpəni ðɛm. ɪt siːmzðæt mæn wɒz ˈmeɪkɪŋ ə rɪəl ˈɛfət tuː ˌʌndəˈstænd ðə ˈsiːznz 20,000 jɪəz ˈɜːlɪəðæn hæz biːn səˈpəʊzd.
任务配置：L0+L4
知识笔记：
单词：1、puzzle：困扰，迷惑，困惑，难题，2、symbol：象征，标记，符号，3、engrave：雕刻，刻，铭记，4、ivory：象牙，5、tusk：象牙，长牙，6、mammoth：长毛象，猛犸象，7、nomad：游牧民族，8、correlate：相关，相关物，9、passage：通道，片段，航程，10、phase：阶段，时期，局面，11、depict：描绘，描述，描写，12、artistic：艺术的，13、
音标：
练习感悟：渐渐读得越来越吃力，今天又是读了七八遍了，读起来比较拗口，主要是速度很快
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