()【单选题】Choose the meaning for the word. zhī dào 知道【判断题】从命名规则上判断,GB16735-2019《道路车辆车辆识别代号(VIN)》属于国家推荐性标准。【单选题】Mutation rate in RNA genomes is about ___-fold higher than in DNA genomes.【单选题】___, taking 20-minute wa...