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【单选题】
在窗体上画一个名称为Labell的标签，然后编写如下事件过程： Option Base 1 Private Sub Form_Click() Dim a(20) As Integer For k=1 To 20 a(k)=k^2 Next k Label1.Caption=a(k) End Sub 程序运行后，单击窗体，在标签中显示的内容是 ______。A.
400
B.
20
C.
441
D.
出错信息
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举一反三
【单选题】Don't keep your mouth _____ if you want to improve your _____ English. [ ]
A.
shutting; spoken
B.
shut; spoken
C.
shutting; speaking
D.
shut; speaking
【单选题】Don’t be rude to your father.Never in his life in that way.
A.
has he spoken to
B.
he has spoken to
C.
has he been spoken to
D.
he has been spoken to
【单选题】If you are seeking for chance to improve your spoken English,personally, the English corner will be smart choice. [ ]
A.
a; a
B.
a; the
C.
the; a
D.
the; the
【简答题】开放作文。 In your spoken English class, your teacher shows you the following picture. You are asked to describe the picture and explain how you understand it. _____________________________________________...
【单选题】Don’t keep your mouth ___ if you want to improve your spoken English.
A.
shut
B.
shutting
C.
shutted
D.
to shut
【简答题】请根据学习内容回答: 管渠排水中有哪些附属构造物
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