x=0Do While x＜50x=(x+2)*(x+3)Loop

x=1

y=4

Do While y>4

x=x*y

y=y+1

Loop

Print x

A.1

B.4

C.8

D.20

n=10 : x=1 : k=1

Do While k<=n

x=x*2 : k=k+1

Loop

A.16

B.256

C.512

D.1024

x=5

For i= 2.6 To 4.9 Step 0.6

x=x+1

Next i

A.5

B.7

C.8

D.9

n=10 : x=1 : k=1

Do While k<=n

x=x*2 : k=k+1

Loop

A.16

B.256

C.512

D.1024

x=5

For i=1 To 20 Step 2

x=x+i\5

Next i

A.21

B.22

C.23

D.24

在VB程序中，以下程序段执行后，x的值为()

x=0

Do While x<=2

x=x+1

Loop

A.2

B.3

C.4

D.5

i=1

Do While i<0

Print "VB"

Loop

A.0

B.1

C.2

D.无数

For i=1 To 3 Step 2

Print "VB"

Next i

A.1

B.2

C.3

D.4

For i=1 to 2 Step0.1(说明：i分别取11.11.21.31.41.51.61.71.81.9)

Print "VB"

Next i

A.0

B.1

C.2

D.10

I=14 MOD 3

Select Case I

Case 1

X=I*1

Case 2

X=I*2

Case 3

X=I*3

A.1

B.4

C.9

D.出错