朱镕基在政治上表现得如何？
朱镕基严于律己，举世皆知。[{'character': '朱', 'pinyin': 'zhu1', 'highest pitch': 11.0, 'lowest pitch': 10.53, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '镕', 'pinyin': 'rong2', 'highest pitch': 10.55, 'lowest pitch': 8.17, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '基', 'pinyin': 'ji1', 'highest pitch': 9.97, 'lowest pitch': 8.93, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '严', 'pinyin': 'ian2', 'highest pitch': 10.03, 'lowest pitch': 7.89, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 10.03, 'lowest pitch': 9.65, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '律', 'pinyin': 'lv4', 'highest pitch': 10.92, 'lowest pitch': 7.1, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '己', 'pinyin': 'ji3', 'highest pitch': 7.1, 'lowest pitch': 4.28, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '举', 'pinyin': 'jv3', 'highest pitch': 6.04, 'lowest pitch': 4.48, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '世', 'pinyin': 'shiii4', 'highest pitch': 10.18, 'lowest pitch': 4.79, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '皆', 'pinyin': 'jie1', 'highest pitch': 7.92, 'lowest pitch': 6.72, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '知', 'pinyin': 'zhiii1', 'highest pitch': 8.08, 'lowest pitch': 6.72, 'duration': 0.32, 'prosody hierarchy': '#4'}]