你确定吗？
他说，黑龙江水体油类污染的污染源已可以排除来自中方。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 9.97, 'lowest pitch': 8.84, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '说', 'pinyin': 'shuo1', 'highest pitch': 9.67, 'lowest pitch': 9.14, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.19}, {'character': '黑', 'pinyin': 'hei1', 'highest pitch': 11.39, 'lowest pitch': 10.99, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '龙', 'pinyin': 'long2', 'highest pitch': 11.07, 'lowest pitch': 10.0, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '江', 'pinyin': 'jiang1', 'highest pitch': 11.2, 'lowest pitch': 10.0, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '水', 'pinyin': 'shuei2', 'highest pitch': 11.0, 'lowest pitch': 8.3, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '体', 'pinyin': 'ti3', 'highest pitch': 9.58, 'lowest pitch': 6.07, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '油', 'pinyin': 'iou2', 'highest pitch': 8.6, 'lowest pitch': 5.77, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '类', 'pinyin': 'lei4', 'highest pitch': 10.93, 'lowest pitch': 8.43, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '污', 'pinyin': 'u1', 'highest pitch': 8.7, 'lowest pitch': 7.46, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '染', 'pinyin': 'ran3', 'highest pitch': 8.49, 'lowest pitch': 4.88, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 6.34, 'lowest pitch': 4.88, 'duration': 0.09, 'prosody hierarchy': '#1'}, {'character': '污', 'pinyin': 'u1', 'highest pitch': 8.7, 'lowest pitch': 6.34, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '染', 'pinyin': 'ran3', 'highest pitch': 8.49, 'lowest pitch': 5.43, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '源', 'pinyin': 'van2', 'highest pitch': 7.92, 'lowest pitch': 5.43, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.24}, {'character': '已', 'pinyin': 'i3', 'highest pitch': 9.51, 'lowest pitch': 7.04, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '可', 'pinyin': 'ke2', 'highest pitch': 9.51, 'lowest pitch': 8.16, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 9.51, 'lowest pitch': 6.8, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '排', 'pinyin': 'pai2', 'highest pitch': 9.46, 'lowest pitch': 7.74, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '除', 'pinyin': 'chu2', 'highest pitch': 9.46, 'lowest pitch': 7.56, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 8.51, 'lowest pitch': 6.84, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '自', 'pinyin': 'zii4', 'highest pitch': 8.51, 'lowest pitch': 6.99, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '中', 'pinyin': 'zhong1', 'highest pitch': 10.37, 'lowest pitch': 6.99, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '方', 'pinyin': 'fang1', 'highest pitch': 10.11, 'lowest pitch': 8.37, 'duration': 0.33, 'prosody hierarchy': '#4'}]