你对今天的课程有没有问题？
课堂上听不懂，下课就向哥哥姐姐问。[{'character': '课', 'pinyin': 'ke4', 'highest pitch': 11.1, 'lowest pitch': 10.5, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '堂', 'pinyin': 'tang2', 'highest pitch': 9.38, 'lowest pitch': 7.91, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 9.94, 'lowest pitch': 8.29, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '听', 'pinyin': 'ting1', 'highest pitch': 10.47, 'lowest pitch': 8.31, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 10.61, 'lowest pitch': 8.95, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '懂', 'pinyin': 'dong3', 'highest pitch': 8.6, 'lowest pitch': 3.65, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.22}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 8.99, 'lowest pitch': 6.97, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '课', 'pinyin': 'ke4', 'highest pitch': 11.1, 'lowest pitch': 6.53, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 8.25, 'lowest pitch': 6.53, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '向', 'pinyin': 'xiang4', 'highest pitch': 7.66, 'lowest pitch': 6.38, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '哥', 'pinyin': 'ge1', 'highest pitch': 9.59, 'lowest pitch': 8.72, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '哥', 'pinyin': 'ge5', 'highest pitch': 9.72, 'lowest pitch': 8.41, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '姐', 'pinyin': 'jie3', 'highest pitch': 8.41, 'lowest pitch': 4.26, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '姐', 'pinyin': 'jie5', 'highest pitch': 7.33, 'lowest pitch': 5.44, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '问', 'pinyin': 'uen4', 'highest pitch': 10.34, 'lowest pitch': 7.33, 'duration': 0.27, 'prosody hierarchy': '#4'}]