题目: 使△ABC的三个顶点A,B,C的横坐标保持不变,纵坐标都分别加上2得到△A′B′C′.则△ABC与△A′B′C′相比,其变化是 [ ]A.向上平移了2个单位 B.向下平移了2个单位 C. 向左平移了2个单位 D.向右平移了2个单位 答案: 答案:A
题型:选择题 — Mr. White ?— He comes from Canada. [ ]A. Where is ; comeB. Where is; come fromC. Where does; fromD. Where does; come from 查看答案