练习材料：
L17-2：The longestsuspension bridge in the world
Two great towerssupport four huge cables. The towers are built on immense underwater platformsmake of steel and concrete. The platforms extend to a depth of over 100 feetunder the sea. These alone took sixteen months to build. Above the surface ofthe water, the towers rise to a height of nearly 700 feet. They support thecables from which the bridge has been suspended. Each of the four cablescontains 26,108 lengths of wire. It has been estimated that if the bridge werepacked with cars, it would still only be carrying a third of its totalcapacity. However, size and strength are not the only important things aboutthis bridge. Despite its immensity, it is both simple and elegant, fulfillingits designer's dream to create 'an enormous object drawn as faintly aspossible'.
ðə ˈlɒŋɡɪst səsˈpɛnʃᵊn brɪʤ ɪn ðə wɜːld
tuː ɡreɪt ˈtaʊəz səˈpɔːt fɔː hjuːʤ ˈkeɪbᵊlz. ðə
ˈtaʊəz ɑː bɪlt ɒn ɪˈmɛns ˈʌndəˈwɔːtə ˈplætfɔːmz meɪk
ɒv stiːl ænd ˈkɒnkriːt. ðə ˈplætfɔːmz ɪksˈtɛnd tuː ə dɛpθ ɒv ˈəʊvə 100 fiːt ˈʌndə
ðə siː. ðiːz əˈləʊn tʊk ˈsɪksˈtiːn mʌnθs tuː bɪld. əˈbʌv ðə ˈsɜːfɪs ɒv ðə ˈwɔːtə,
ðə ˈtaʊəz raɪz tuː ə haɪt ɒv ˈnɪəli 700 fiːt. ðeɪ səˈpɔːt ðə ˈkeɪbᵊlz frɒm wɪʧ
ðə brɪʤ hæz biːn səsˈpɛndɪd. iːʧ ɒv ðə fɔː ˈkeɪbᵊlz kənˈteɪnz 26,108 lɛŋθs ɒv
ˈwaɪə. ɪt hæz biːn ˈɛstɪmeɪtɪd ðæt ɪf ðə brɪʤ wɜː pækt wɪð kɑːz, ɪt wʊd stɪl ˈəʊnli biː ˈkæriɪŋ ə θɜːd ɒv
ɪts ˈtəʊtl kəˈpæsɪti. haʊˈɛvə, saɪz ænd strɛŋθ ɑː nɒt ði ˈəʊnli ɪmˈpɔːtənt θɪŋz əˈbaʊt ðɪs brɪʤ. dɪsˈpaɪt
ɪts ɪˈmɛnsɪti, ɪt ɪz bəʊθ ˈsɪmpl ænd ˈɛlɪɡənt, fʊlˈfɪlɪŋ ɪts dɪˈzaɪnəz driːm tuː kriˈeɪt ən ɪˈnɔːməsˈɒbʤɪkt drɔːn æz ˈfeɪntli æz ˈpɒsəbᵊl.
任务配置：L0 + L4
知识笔记：
单词：1、cable：电缆，2、concrete：混凝土，3、wire：金属丝，金属线，电线，导线，4、immensity：浩瀚，巨大，广大，5、drawn：苍白的，憔悴的，画，描绘，描画，6、faintly：微弱地，隐约地，淡淡
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练习感悟：这篇文章还行，录了两遍就达标了。
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