根据图甲、图乙中小磁针静止时的指向,标出通电螺线管的N极和电流方向. 发布时间:2017-04-15 16:50 │ 来源:www.tikuol.com 题型:问答题 问题: 根据图甲、图乙中小磁针静止时的指向,标出通电螺线管的N极和电流方向.
题型:问答题 Mother is very busy. She has ______ time to do housework. [ ]A. a little B. little C. a few D. few 查看答案