第18题: [单项选择]在窗体中添加一个命令按钮,并编写如下程序: Private Sub Command1_ Click( ) x=1: y=2: z=3 x=y: y=z: z=x End Sub 程序执行后,输出的结果是______。 A. 3 B. 0 C. 2 D. 1 参考答案:C 答案解析:[解析] 变量中的数据为最后一次赋的值。
第32题: [单项选择]A The new technology used to build roads
B The ability to transport goods over land
C The trade in grain and cotton
D The linking of smaller local roads into one long road 参考答案:C 答案解析:[听力原文]
According to the prof, what cause the growth of the US economy about 200 years ago