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.
æt lɑːst ˈfaɪəmən hæv pʊt aʊt ə bɪg ˈfɒrɪst ˈfaɪər ɪn ˌkæləˈfɔːniə. sɪns ðɛn, ðeɪ hæv biːn ˈtraɪɪŋ tuː faɪndaʊt haʊ ðə ˈfaɪə bɪˈgæn.
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
ˈfɒrɪst ˈfaɪəz ɑːr ˈɒf(ə)n kɔːzd baɪ ˈbrəʊkən glɑːs ɔː baɪ ˌsɪgəˈrɛt ɛndz wɪʧ ˈpiːpl ˈkeəlɪsli θrəʊ əˈweɪ.
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.
ˈjɛstədeɪ ðə ˈfaɪəmən ɪgˈzæmɪnd ðə graʊnd ˈkeəfli, bʌt wɜː nɒt ˈeɪbl tuː faɪnd ˈɛni ˈbrəʊkən glɑːs.
They were also quite sure that a cigarette end did not start the fire. This morning, however, a fireman accidentally discovered the cause.
ðeɪ wɜːr ˈɔːlsəʊ kwaɪt ʃʊə ðæt ə ˌsɪgəˈrɛt ɛnd dɪd nɒt stɑːt ðə ˈfaɪə. ðɪs ˈmɔːnɪŋ, haʊˈɛvə, ə ˈfaɪəmənˌæksɪˈdɛntəli dɪsˈkʌvəd ðə kɔːz.
He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.
hiː ˈnəʊtɪst ðə rɪˈmeɪnz ɒv ə sneɪk wɪʧ wɒz wuːnd raʊnd ði ɪˈlɛktrɪk ˈwaɪəz ɒv eɪ 16,000-vəʊlt ˈpaʊəlaɪn.
In this way, he was able to solve the mystery. The explanation was simple but very unusual.
ɪn ðɪs weɪ, hiː wɒz ˈeɪbl tuː sɒlv ðə ˈmɪstəri. ði ˌɛkspləˈneɪʃən wɒz ˈsɪmpl bʌt ˈvɛri ʌnˈjuːʒʊəl.
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.
ə bɜːd hæd snæʧt ʌp ðə sneɪk frɒm ðə graʊnd ænd ðɛn drɒpt ɪt ɒn tuː ðə ˈwaɪəz. ðə sneɪk ðɛn wuːnd ɪtˈsɛlf raʊnd ðə ˈwaɪəz.
When it did so, it sent sparks down to the ground and these immediately started a fire.
wɛn ɪt dɪd səʊ, ɪt sɛnt spɑːks daʊn tuː ðə graʊnd ænd ðiːz ɪˈmiːdiətli ˈstɑːtɪd ə ˈfaɪə.
录音时长：1m21s（1m21s）
任务配置： L0+L4
知识笔记：
单词：hot带电的，充电的 cigarette end烟头（这个连读很好听诶）
碎玻璃引起火灾：碎玻璃中有些碎片会聚光，导致温度上升引起火灾。
练习感悟：
1.找到一个好方法，把语音材料开0.5倍速，跟读熟悉语调和单词的发音，再原速度跟读，今天和昨天都是这样的，读起来很舒服，也不排除是我的口条比较熟悉这些单词。就我朗读的顺畅程度来说，我发现啊，材料出现的很多单词，发音是一个类型的，所以有的文章我读起来很顺畅有的超级别扭。暂未考证。哈哈哈。
2.这几天在用睡眠app嘛，所以十点半之后不能用手机，虽然我并不在这个时间睡觉……但是好歹让我有了紧迫感，朗读更专心了，也是好事。
3.嗓子还是好痛啊啊啊。
4.加油~