比一比,再组词。
饺____ 皎____
粽____棕____
清____情____
小华同学利用电压表和电流表测量电阻R1的阻值(约9Ω左右),电源选用两节干电池.实验过程如图所示.
下列地区,耕地为旱地的是( )
I haven't seen my grandma for a long time. I can't help her very much.