题目

_____ the Internet is making people closer, it may also be breaking some homes or will cause other family problems. A . When B . If C . As D . While 答案:D 22.如图,在平面直角坐标系xOy中,△ABC三个顶点坐标分别为A(﹣2,4), B(﹣2,1),C(﹣5,2). (1)请画出△ABC关于x轴对称的△A1B1C1. (2)将△A1B1C1的三个顶点的横坐标与纵坐标同时乘以﹣2,得到对应的点A2,B2,C2,请画出△A2B2C2. (3)求△A1B1C1与△A2B2C2的面积比.
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