题目

在的边上随机取一点, 记和的面积分别为和，则的概率是      ． 答案：      补全对话。（10分）(B)根据对话情景，在空白处填入合适的句子。A.Hello,Anna! 【1】_____________________________?B.I live in Beijing.A：Could you tell me something about yourself?B.Of course.A：【2】_____________________?B：I often go to school by bus.A：【3】_____________________？B：I usually go to the park with my friends on weekends.【4】_______________________________________?A：I usually go to the zoo. I like animals best.B: 【5】__________________________________?A:Twice a month.