下列关于果酒和果醋制作的叙述,错误的是( )
A:参与发酵的微生物都含有线粒体
B:发酵过程中培养液pH都会下降
C:制果酒时瓶口需密闭,而制果醋时需要通入氧气
D:果酒制成后可将装置移至温度略高的环境中制果醋
观察植物向光性的最好实验材料是( )
Gian Tara is studying Chinese history and culture now. They find them rich and amazing.