Const n = 8

Dim a(1 To n) As Integer

For i = 1 To n

    a(i) = Int(Rnd * 20)

Next i

x = n \ 2

For i = x To 2 Step -1

    For j = 1 To i - 1

      If a(j) < a(i) Then

        t = a(j): a(j) = a(i): a(i) = t

      End If

    Next j

Next i

i = n

Do While i > x + 1

    k = i

    For j = i - 1 To x + 1 Step -1

      If a(j) > a(k) Then k = j

    Next j

    If k <> i Then

      t = a(k): a(k) = a(i): a(i) = t

    End If

    i = i - 1

Loop

执行完这段代码后，数组 a 中各个元素的值可能的是（  ）

k = 1

For j = 2 To 100

If a(j) > a(k) Then k = j

Next j

x = a(k)
该程序段执行后，变量x中存储的是（  ）

from random import randint

s=["C++","Java","VB","Pascal","C","Python"]

for i in range(2):

    k=randint(0,2)*2

    s=s[:k]+s[k+1:]

print(s)

执行该程序段后，变量s的值不可能是（    ）