题目

补全对话（有两项多余）A: Excuse me, sir. 【1】B: Yes. What can I do for you, young man?A: 【2】 Some of my classmates want to go to Beijing for a short visit. I’d like to look for some sightseeing information. I want to know if you have four days’ tour.B: We certainly do. There are quite many such tours. 【3】A: Well, we’re going to visit some famous places such as the Great Wall, the Summer Palace and so on.B: They’re all places of great interest in Beijing.【4】A: Well, today is June 24. And we still have three more days before finishing the Junior Exam. 【5】B: 简便计算．+3.6++6.6　　 3.4--　　 2.5×32×12.53.4×5.6+5.6×6.6　　　　　　　　10.2×43．