题目

— Why do people like going to Pizza House? — It has the most delicious food, _____ its service is poor. A. and            B. so                     C. though              D. if 答案：C如图所示的是五星红旗上的一颗五角星，其图中所示的角α的度数为（　　）A．36°B．72°C．108°D．180°