若AB∥CD,AB∥EF,则____
图甲为燕麦胚芽鞘的向光性实验,图乙为水平放置于地面的幼苗根与茎的生长情况,图丙为生长素浓度与根(或芽、茎)生长的关系.下列分析合理的是( )
求下列各式的值:
The students want to raise some money for the ____ (home) people.