在动物细胞中,具有双层膜的细胞器是（）
如图所示，磁感线竖直向下，AB棒运动，灵敏电流表指针偏转( )
Come and 1 my 2. This is my father. 3 is a tall man. This is my 4. She is5 art teacher. 6 boys are my two brothers. I'm a girl. I’m my 7daughter. And there is a cat in 8 family. Its name 9 Lily. We all like10.
