题目

看图写短语例： three cats1. __________________________2. __________________________3. __________________________4. ________________________5. __________________________ 答案：【答案】1. five apples 2. four boys 3. two girls 4. seven bananas 5. six dogs 【解析】略如图，∠A=90°，CD平分∠ACB，DE垂直平分线段BC，则∠B的度数为（　　）A．25°B．30°C．35°D．29°