磨机隔仓板的作用是什么？
参考答案：控制磨内物料流速；防止二仓小球串入一仓；分级细粉，减少过粉磨。
—Oh, Mary is not here these days. Is she ill?
— Her mother told me that she was in hospital.
A．I am afraid so
B．I hope so
C．I don’t mind
D．I don’t think so
一朵完整的花由花柄、花托、花萼、花冠、雄蕊、雌蕊六部分构成。( )
