单项选择题
数据分组，组数越多越好
未知题型数据分组，组数越多越好
治疗量强心苷降低窦房结自律性，而提高浦肯野纤维自律性。
判断题治疗量强心苷降低窦房结自律性，而提高浦肯野纤维自律性。
Could you figure out which of the following food all be...
单项选择题Could you figure out which of the following food all belong to Yang?
