将平面直角坐标系内某个图形各个点的横坐标不变，纵坐标都乘﹣1，所得图形与原图形的 发布时间：2017-04-17 04:01 │ 来源：www.tikuol.com 题型：选择题 问题： 将平面直角坐标系内某个图形各个点的横坐标不变，纵坐标都乘﹣1，所得图形与原图形的关系是[ ]A．关于x轴对称B．关于y轴对称C．关于原点对称D．重合
题型：选择题 短文改错。 One afternoon Mr. smith entered into my flower shop and ordered some flowers for his wife. "Not card is necessary," he said, she would know who sent them." The deliver hadn't even returned to the store while the phone rang. It was Mr. smith's husband. "Who sent the flowers?" she asked. After explained that the customer had required that no card was included, I considered the matter had come to a close. But not so. She came rush into my door. "You're got to tell me who sent the flowers," he demanded, "after my husband gets home for lunch!" 1_______2_______3_______4_______5_______ 6_______7_______8_______9_______10_______ 查看答案