单项选择题
Programs are stored in program memory in form.
单项选择题 顺丰特惠产品上线时间是（）
单项选择题 For the same display character, such as "0", there is a relationship between the display code of the common anode digital tube and the common cathode digital tube.
单项选择题 声明价值500保费（）元，501-1000（）元，1001及以上按（）收费
