练习材料：
Lesson 45-3 Of men and galaxies
Indeed, theconcept of free speech only exists in our modern society because when you areinside a community, you are conditioned by the conventions of the community tosuch a degree that it is very difficult to conceive of anything reallydestructive. It is only someone looking on from outside that can inject thedangerous thoughts. I do not doubt that it would be possible to inject ideasinto the modern world that would utterly destroy us. I would like to give youan example, but fortunately I cannot do so. Perhaps it will suffice to mentionthe nuclear bomb. Imagine the effect on a reasonably advanced technologicalsociety, one that still does not possess the bomb, of making it aware of thepossibility, of supplying sufficient details to enable the thing to beconstructed.
ɒv mɛn ænd ˈɡæləksiz
ɪnˈdiːd, ðə ˈkɒnsɛpt
ɒv friː spiːʧ ˈəʊnli ɪɡˈzɪsts ɪn ˈaʊə ˈmɒdᵊn səˈsaɪəti bɪˈkɒz wɛn juː ɑːr ɪnˈsaɪd ə kəˈmjuːnəti, juː ɑː kənˈdɪʃᵊnd baɪ ðə kənˈvɛnʃᵊnz ɒv ðə kəˈmjuːnəti
tuː sʌʧ ə dɪˈɡriː ðæt ɪt ɪz ˈvɛri ˈdɪfɪkᵊlt tuː kənˈsiːv ɒv
ˈɛniθɪŋ ˈrɪəli dɪsˈtrʌktɪv. ɪt ɪz ˈəʊnli ˈsʌmwʌn ˈlʊkɪŋ ɒn frɒm ˌaʊtˈsaɪd ðæt
kæn ɪnˈʤɛkt ðə ˈdeɪnʤᵊrəs θɔːts. aɪ duː nɒt daʊt ðæt ɪt wʊd biː ˈpɒsəbᵊl tuː ɪnˈʤɛkt
aɪˈdɪəz ˈɪntuː ðə ˈmɒdᵊn wɜːld ðæt wʊd ˈʌtəli dɪˈstrɔɪ ʌs. aɪ wʊd laɪk tuː ɡɪv juː ən ɪɡˈzɑːmpᵊl, bʌt ˈfɔːʧᵊnətli aɪ ˈkænɒt duː səʊ. pəˈhæps ɪt wɪl səˈfaɪs tuː ˈmɛnʃᵊn
ðə ˈnjuːklɪə bɒm. ɪˈmæʤɪn ði ɪˈfɛkt ɒn ə ˈriːzᵊnəbli ədˈvɑːnst ˌtɛknəˈlɒʤɪkᵊl səˈsaɪəti, wʌn ðæt stɪldʌz nɒt pəˈzɛs ðə bɒm, ɒv ˈmeɪkɪŋ ɪt əˈweər ɒv ðə ˌpɒsəˈbɪləti, ɒv səˈplaɪɪŋ səˈfɪʃᵊntˈdiːteɪlz tuː ɪˈneɪbᵊl ðə θɪŋ tuː biː kənˈstrʌktɪd.
任务配置：L0 + L4
知识笔记：
单词：1、convention：习俗，公约，惯例，2、conceive：构想，设想，怀孕，3、destructive：破坏性的，有害的，4、inject：注入，注射，5、utterly：完全地，绝顶，不堪，6、suffice：够了，满足，合格，7、nuclear：核，核子，8、sufficient：充足的，足够，足以
音标：
练习感悟：今天上班了，感觉整体状态不如之前正常上班时的状态，但是比起前几天休假时要好很多，毕竟休假了，人就会特别放纵自己，今天录了两遍达标。
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