题目内容

[音频]Unlike Britain, the US does not have a national 1 service. The government does help 2__ some medical care for people who are on _3__ and for the old, but most people buy insurance to help pay for medical care. Some people can't afford insurance but are not _4_ to get the help of the government. The cost of medical insurance and _5____ those who cannot afford it are important political subjects.

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使用语句Dim a%( 1 to 10)声明数组a后，以下叙述正确的是（）。

A. a数组中所有元素值为0
B. a数组中所有元素值不确定
C. a数组中所有元素值为NULL
D. a数组中所有元素值Empty

语句Dim b(-5 To 2, 1 To 3)所定义数组的元素个数是（）。

A. 10
B. 11
C. 15
D. 24

在窗体上绘制一个命令按钮，然后编写如下代码：Private Sub Command1_Click()Dim a(3, 4) As Integer, i As Integer, j As IntegerFor i = 1 To 3For j = 1 To 4a(i, j) = (i - 1) * 2 + jPrint a(i, j);Next jPrintNext iEnd Sub程序运行后，单击命令按钮，输出结果是（）。

A. 4 3 2 16 5 4 38 7 6 5
B. 5 6 7 83 4 5 61 2 3 4
C. 1 2 3 43 4 5 65 6 7 8
D. 8 7 6 56 5 4 34 3 2 1

在窗体上绘制一个命令按钮，然后编写如下代码：Option Base 1Private Sub command1_click()Dim aa = Array("a", "b", "c", "d", "e", "f", "g")Print a(1); a(3); a(5)End Sub程序运行后，单击命令按钮，输出结果为（）。

A. abc
B. bdf
C. ace
D. bcd