题型：问答题 根据短文内容，完成句子或回答问题。 A father asks his son, "How many letters are there in the alphabet (字母表)?" "I don't know," says his son. His father says, "You don't know?You are in school for many years and you don't know how many letters are there in the alphabet?" He is very angry . His son says, "No. But let me ask you a question, Dad. You often go to the post office , please tell me how many letters are there in the post office?" 1. The underlined word "letters" means _______ in Chinese. 2. The father was very _______ when he heard his son didn't know how many letters there are in the alphabet. 3. Can this father answer his son's question? ___________________________________________________________ 查看答案
题型：问答题 在窗体上画一个名称为Command1的命令按钮，然后编写如下事件过程： Private Sub Command1_Click()Dim a As Integer,s As Integera=8s=1Do s=s+a a=a-1Loop While a＜=0 Print s；a End Sub 程序运行后，单击命令按钮，则窗体上显示的内容是( )。A．7 9B．34 0C．9 7D．死循环 查看答案