你作为代表委员有什么职责和使命？
坦率地说，我一直在以学生心态当代表委员。[{'character': '坦', 'pinyin': 'tan3', 'highest pitch': 9.26, 'lowest pitch': 7.26, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '率', 'pinyin': 'shuai4', 'highest pitch': 10.87, 'lowest pitch': 7.26, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '地', 'pinyin': 'de5', 'highest pitch': 8.56, 'lowest pitch': 7.31, 'duration': 0.1, 'prosody hierarchy': 'null'}, {'character': '说', 'pinyin': 'shuo1', 'highest pitch': 8.32, 'lowest pitch': 7.38, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.33}, {'character': '我', 'pinyin': 'uo3', 'highest pitch': 8.52, 'lowest pitch': 7.42, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 10.96, 'lowest pitch': 7.43, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '直', 'pinyin': 'zhiii2', 'highest pitch': 9.34, 'lowest pitch': 8.21, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 9.63, 'lowest pitch': 7.47, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 7.47, 'lowest pitch': 5.83, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '学', 'pinyin': 'xve2', 'highest pitch': 7.5, 'lowest pitch': 5.84, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 10.9, 'lowest pitch': 7.5, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '心', 'pinyin': 'xin1', 'highest pitch': 10.88, 'lowest pitch': 7.51, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '态', 'pinyin': 'tai4', 'highest pitch': 8.98, 'lowest pitch': 5.98, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '当', 'pinyin': 'dang1', 'highest pitch': 7.9, 'lowest pitch': 7.33, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '代', 'pinyin': 'dai4', 'highest pitch': 8.55, 'lowest pitch': 6.51, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '表', 'pinyin': 'biao2', 'highest pitch': 8.45, 'lowest pitch': 6.51, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '委', 'pinyin': 'uei3', 'highest pitch': 8.45, 'lowest pitch': 5.57, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '员', 'pinyin': 'van2', 'highest pitch': 7.83, 'lowest pitch': 5.66, 'duration': 0.33, 'prosody hierarchy': '#4'}]