单项选择题

The Central idea/thesis statement is not
A、A single complete sentence
B、The core message of the speech
C、The main idea of the speech
D、The most important goal of the speech.

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单项选择题

编写如下程序代码：
Private Sub Command1_Click()
   Const n = 5
   Dim arrx(n) As Integer
   For i = 1 To 5
      arrx(i) = i * i
   Next i
   Call swap(arrx(), n)
   For i = 1 To n
      Print arrx(i);
   Next
End Sub

Public Sub swap(a() As Integer, k As Integer)
   For i = 1 To k / 2
      t = a(i)
      a(i) = a(k - i + 1)
      a(k - i + 1) = t
   Next
End Sub
程序运行后，单击命令按钮Command1，输出结果为________。

A．1 4 9 4 1
B． 4 1 9 25 16
C． 1 4 9 16 25
D． 25 16 9 4 1

单项选择题

1946年4月23日，中国第七次全国代表大会在延安召开，号召解放区军民实行军事战略转变和准备全面反攻。（）

A.正确
B.错误