Don't go out. It _hard.[ ] A. snow B. sn 发布时间:2017-05-28 00:28 │ 来源:www.tikuol.com 题型:选择题 问题: Don't go out. It _ hard. [ ]A. snow B. snows C. is snowing D. are snowing
题型:选择题 一同学站在平面镜前,镜中的像离镜面0.5m,当他退后0.5m时,镜中的像离镜面______m,离这位同学的距离为______m,镜中的像的大小______.(填“变大”、“变小”或“不变”) 查看答案