线粒体的 A: mitochondrial B: perennial C: parochial D: streptococcal

According to the comprehensive classification of flowers, Chrysanthemum morifolium belongs to . A: Annual and biennial flowers B: Woody flowers C: Perennial flowers D: Bulb flowers

Which kind of flower is mainly adopted in flower beds? A: Annual and biennial flower B: Perennial flower C: Bulb flower D: Succulent plant