第1题: [单项选择]Mariners should pay much attention in the overlapped area owing to(). A. complicated circumstances B. changeable atmospheric pressure C. large density of traffic D. some strong signals from unwanted satellites 参考答案:D
第2题: [单项选择]下面()是合法的Java标识符。 A. #_pound B. _underscore C. 5Interstate D. class 参考答案:B
第25题: [单项选择]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: option Base 1 Private Sub Command1_Click( ) Dim a a=Array(1, 2, 3, 4, 5) For i=1 To UBound( 参考答案:B 答案解析:[分析] UBound(a)函数返回数组a中指定上界,即For循环的终值为5。a(3)的值为3+3-1=5。