动物细胞中的能量转换器是（ ）
A：液泡
B：染色体
C：线粒体
D：叶绿体
— Nora published her first poem when she was only seven!
— At seven? What a ! I knew few words at her age.
— __________?
— I want a hat.
目前，我国解决水资源地区分布不均的有效方法是（ ）
