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.
应用配置：L0+L4
知识笔记： cigarette/sɪgəˈrɛt examined/ɪgˈzæmɪnd remains/rɪˈmeɪnz wires/waɪəz solve/sɒlv mystery/mɪstəri explanation/ɛkspləˈneɪʃən snatched/snæʧt sparks/spɑːks
练习感悟：比较长的一篇课文，单词也相对较多，有点点难度，不过朗读了好多遍后，有点感觉了，又录制了好多遍，选了相对较好的。原音是1分23秒，录制了1分29秒，多了6秒。不要太赶，尽量保证把每个音发准了才是首选。
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