原材料引用（Materials）
22% survived with good brain ability. Only 10% of the victims treated with traditional CPR survived with good brain ability. The American Heart Association changed its guidelines for CPR chest presses in 2005.
信息和事实（Facts）
[ˈtwɛnti] [tu] [pərˈsɛnt] [sərˈvaɪvd] [wɪð] [gʊd] [breɪn] [əˈbɪləti].
['oʊnli] [tɛn] [pərˈsɛnt] [ʌv] [ðə] [ˈvɪktəmz] [ˈtritəd] [wɪð] [trəˈdɪʃənəl] [si-pi-ɑr] [sərˈvaɪvd] [wɪð] [gʊd] [breɪn] [əˈbɪləti].
[ði] [əˈmɛrəkən] [hɑrt] [əˌsoʊsiˈeɪʃən] [ʧeɪnʤd] [ɪts] [ˈgaɪˌdlaɪnz] [fɔr] [si-pi-ɑr] [ʧɛst] [ˈprɛsəz] [ɪn] [tu] [ˈθaʊzənd] [faɪv].
感受与评价（Comments）
按照要求，多练习即可。
统计累计的练习小时数（Hours）：1h
