练习材料
Lesson 45-3 Of men and galaxies
Indeed, the concept of free speech only exists in our modern society because when you are inside a community, you are conditioned by the conventions of the community to such a degree that it is very difficult to conceive of anything really destructive. It is only someone looking on from outside that can inject the dangerous thoughts. I do not doubt that it would be possible to inject ideas into the modern world that would utterly destroy us. I would like to give you an example, but fortunately I cannot do so. Perhaps it will suffice to mention the nuclear bomb. Imagine the effect on a reasonably advanced technological society, one that still does not possess the bomb, of making it aware of the possibility, of supplying sufficient details to enable the thing to be constructed.
/ˈlɛsən/ 45-3 /əv/ /mɛn/ /ənd/ /ˈgæləksiz/
/ɪnˈdid/, /ðə/ /ˈkɑnsɛpt/ /əv/ /fri/ /spiʧ/ /ˈoʊnli/ /ɪgˈzɪsts/ /ɪn/ /ˈaʊər/ /ˈmɑdərn/ /səˈsaɪəti/ /bɪˈkəz/ /wɛn/ /jʊ/ /ər/ /ɪnˈsaɪd/ /ə/ /kəmˈjunəti/, /jʊ/ /ər/ /kənˈdɪʃənd/ /baɪ/ /ðə/ /kənˈvɛnʃənz/ /əv/ /ðə/ /kəmˈjunəti/ /tə/ /sʌʧ/ /ə/ /dɪˈgri/ /ðət/ /ɪt/ /əz/ /ˈvɛri/ /ˈdɪfəkəlt/ /tə/ /kənˈsiv/ /əv/ /ˈɛniˌθɪŋ/ /ˈrɪli/ /dɪˈstrʌktɪv/. /ɪt/ /əz/ /ˈoʊnli/ /ˈsʌmˌwʌn/ /ˈlʊkɪŋ/ /ɑn/ /frəm/ /ˈaʊtˈsaɪd/ /ðət/ /kən/ /ɪnˈʤɛkt/ /ðə/ /ˈdeɪnʤərəs/ /θɔts/. /aɪ/ /dʊ/ /nɑt/ /daʊt/ /ðət/ /ɪt/ /wəd/ /bi/ /ˈpɑsəbəl/ /tʊ/ /ɪnˈʤɛkt/ /aɪˈdiəz/ /ˈɪntə/ /ðə/ /ˈmɑdərn/ /wɜrld/ /ðət/ /wəd/ /ˈʌtərli/ /dɪˈstrɔɪ/ /ʌs/. /aɪ/ /wəd/ /laɪk/ /tə/ /gɪv/ /jʊ/ /ən/ /ɪgˈzæmpəl/, /bət/ /ˈfɔrʧənətli/ /aɪ/ /ˈkænɑt/ /dʊ/ /soʊ/. /pərˈhæps/ /ɪt/ /wɪl/ /səˈfaɪs/ /tə/ /ˈmɛnʃən/ /ðə/ /ˈnukliər/ /bɑm/. /ɪˈmæʤən/ /ði/ /ɪˈfɛkt/ /ɑn/ /ə/ /ˈrizənəbli/ /ədˈvænst/ /ˌtɛknəˈlɑʤɪkəl/ /səˈsaɪəti/, /wʌn/ /ðət/ /stɪl/ /dəz/ /nɑt/ /pəˈzɛs/ /ðə/ /bɑm/, /əv/ /ˈmeɪkɪŋ/ /ɪt/ /əˈwɛr/ /əv/ /ðə/ /ˌpɑsəˈbɪləti/, /əv/ /səˈplaɪɪŋ/ /səˈfɪʃənt/ /dɪˈteɪlz/ /tʊ/ /ɛˈneɪbəl/ /ðə/ /θɪŋ/ /tə/ /bi/ /kənˈstrʌktəd/.
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