练习材料：
Lesson53 Hot snake
At last firemen have put out a big forest fire in California. Since then, they have been trying to find out how the fire began. Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away. Yesterday the firemen examined the ground carefully, but were not able to find any broken glass. They were also quite sure that a cigarette end did not start the fire. This morning, however, a fireman accidentally discovered the cause. He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line. In this way, he was able to solve the mystery. The explanation was simple but very unusual. A bird had snatched up the snake from the ground and then dropped it on to the wires. The snake then wound itself round the wires. When it did so, it sent sparks down to the ground and these immediately started a fire.
ˈlɛsən53 hɑt sneɪk
æt læst ˈfaɪrmən hæv pʊt aʊt ə bɪg ˈfɔrəst ˈfaɪər ɪn ˌkæləˈfɔrnjə. sɪns ðɛn, ðeɪ hæv bɪn ˈtraɪɪŋ tu faɪnd aʊt haʊ ðə ˈfaɪər bɪˈgæn. ˈfɔrəst ˈfaɪərz ɑr ˈɔfən kɑzd baɪ ˈbroʊkən glæs ɔr baɪ ˌsɪgəˈrɛt ɛndz wɪʧ ˈpipəl ˈkɛrləsli θroʊ əˈweɪ. ˈjɛstərˌdeɪ ðə ˈfaɪrmən ɪgˈzæmənd ðə graʊnd ˈkɛrfəli, bʌt wɜr nɑt ˈeɪbəl tu faɪnd ˈɛni ˈbroʊkən glæs. ðeɪ wɜr ˈɔlsoʊ kwaɪt ʃʊr ðæt ə ˌsɪgəˈrɛt ɛnd dɪd nɑt stɑrt ðə ˈfaɪər. ðɪs ˈmɔrnɪŋ, ˌhaʊˈɛvər, ə ˈfaɪrmən ˌæksəˈdɛntəli dɪˈskʌvərd ðə kɑz. hi ˈnoʊtəst ðə rɪˈmeɪnz ʌv ə sneɪk wɪʧ wʌz wund raʊnd ði ɪˈlɛktrɪk ˈwaɪərz ʌv eɪ 16,000-voʊlt ˈpaʊər laɪn. ɪn ðɪs weɪ, hi wʌz ˈeɪbəl tu sɑlv ðə ˈmɪstəri. ði ˌɛkspləˈneɪʃən wʌz ˈsɪmpəl bʌt ˈvɛri ənˈjuʒˌuəl. ə bɜrd hæd snæʧt ʌp ðə sneɪk frʌm ðə graʊnd ænd ðɛn drɑpt ɪt ɑn tu ðə ˈwaɪərz. ðə sneɪk ðɛn wund ɪtˈsɛlf raʊnd ðə ˈwaɪərz. wɛn ɪt dɪd soʊ, ɪt sɛnt spɑrks daʊn tu ðə graʊnd ænd ðiz ɪˈmidiətli ˈstɑrtəd ə ˈfaɪər.
任务配置：L0+L1+L4
知识笔记：
cigarette
美 /ˈsɪɡəret/
a thin tube of paper filled with tobacco , for smoking 香烟；纸烟；卷烟
remain
美 /rɪˈmeɪn/
The remains of a person or animal are the parts of their body that are left after they have died, sometimes after they have been dead for a long time. (人的) 遗体; (动物的) 残骸
The unrecognizable remains of a man had been found.
发现了一具无法辨认的男子的遗体。
snatch
美 /snætʃ/
to take sth quickly and often rudely or roughly 一把抓起；一下夺过
snatch up 夺取，抓起
Gordon snatched up his jacket and left the room. 戈登一把抓起上衣，出了房间。
音标专练：浊辅音[ð]
发音要点：双唇微开，舌头伸出， 上下齿轻轻咬住舌头，气息尽量被上下齿堵住，留少量气息从牙齿缝隙吹出，振动声带。
练习感悟：今天的节奏比原文快了3秒。分析原因是长句较多，停顿的把握上欠缺。
原声时长：89 s
录音时长：86s
练习时间：15min
完成时间：2021.12.23晚
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