那你觉得我们应该怎么预防乙肝呢？
肝癌的发生，很大部分跟乙肝有关。[{'character': '肝', 'pinyin': 'gan1', 'highest pitch': 10.43, 'lowest pitch': 10.21, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '癌', 'pinyin': 'ai2', 'highest pitch': 10.34, 'lowest pitch': 8.51, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.77, 'lowest pitch': 7.88, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 9.2, 'lowest pitch': 8.22, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 9.68, 'lowest pitch': 9.03, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'character': '很', 'pinyin': 'hen3', 'highest pitch': 8.36, 'lowest pitch': 5.18, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '大', 'pinyin': 'da4', 'highest pitch': 10.21, 'lowest pitch': 5.18, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '部', 'pinyin': 'bu4', 'highest pitch': 9.16, 'lowest pitch': 7.07, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '分', 'pinyin': 'fen5', 'highest pitch': 8.34, 'lowest pitch': 6.32, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '跟', 'pinyin': 'gen1', 'highest pitch': 7.78, 'lowest pitch': 7.21, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '乙', 'pinyin': 'i3', 'highest pitch': 7.21, 'lowest pitch': 4.83, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '肝', 'pinyin': 'gan1', 'highest pitch': 10.43, 'lowest pitch': 7.73, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 9.59, 'lowest pitch': 4.97, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '关', 'pinyin': 'guan1', 'highest pitch': 7.89, 'lowest pitch': 6.61, 'duration': 0.31, 'prosody hierarchy': '#4'}]