题目

读—读，将符合要求的单词按所给单词画线部分的读音分类。 The window is yellow. The flower is brown. The cow walks slowly. The snow in the grass turns to water now. （1） tomorrow: （2） down: 答案：【1】window yellow slow snow 【1】flower brown cow now已知四边形ABCD，对角线AC与BD互相垂直．顺次连接其四条边的中点，得到新四边形的形状一定是（　　）A．梯形B．矩形C．菱形D．正方形