为什么泛滥成灾的洪水没有得到有效的控制？
葛小姐的妈妈王女士至今仍然以泪洗面。[{'character': '葛', 'pinyin': 'ge3', 'highest pitch': 8.84, 'lowest pitch': 7.78, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '小', 'pinyin': 'xiao2', 'highest pitch': 11.15, 'lowest pitch': 7.78, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '姐', 'pinyin': 'jie3', 'highest pitch': 11.07, 'lowest pitch': 6.07, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 6.47, 'lowest pitch': 6.07, 'duration': 0.09, 'prosody hierarchy': '#1'}, {'character': '妈', 'pinyin': 'ma1', 'highest pitch': 9.88, 'lowest pitch': 6.17, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '妈', 'pinyin': 'ma5', 'highest pitch': 9.88, 'lowest pitch': 7.39, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '王', 'pinyin': 'uang2', 'highest pitch': 10.73, 'lowest pitch': 6.23, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '女', 'pinyin': 'nv3', 'highest pitch': 11.02, 'lowest pitch': 6.2, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '士', 'pinyin': 'shiii4', 'highest pitch': 7.41, 'lowest pitch': 5.99, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.09}, {'character': '至', 'pinyin': 'zhiii4', 'highest pitch': 7.74, 'lowest pitch': 6.32, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '今', 'pinyin': 'jin1', 'highest pitch': 8.68, 'lowest pitch': 6.32, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '仍', 'pinyin': 'reng2', 'highest pitch': 10.53, 'lowest pitch': 7.04, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 10.42, 'lowest pitch': 7.64, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 8.03, 'lowest pitch': 5.87, 'duration': 0.1, 'prosody hierarchy': 'null'}, {'character': '泪', 'pinyin': 'lei4', 'highest pitch': 7.04, 'lowest pitch': 5.18, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '洗', 'pinyin': 'xi3', 'highest pitch': 6.09, 'lowest pitch': 4.89, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '面', 'pinyin': 'mian4', 'highest pitch': 7.17, 'lowest pitch': 4.89, 'duration': 0.35, 'prosody hierarchy': '#4'}]