The text intends to express the idea thatA medicine will further prolong people's lives.B. life beyond a certain limit is not worth living.C. death should be accepted as a fact of life.D. excessive demands increase the cost of health care.

题目

The text intends to express the idea that

A medicine will further prolong people's lives.

B. life beyond a certain limit is not worth living.

C. death should be accepted as a fact of life.

D. excessive demands increase the cost of health care.


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  • 第1题:

    在窗体上画一个命令按钮和两个文本框,其名称分别为Command1、Text1和Text2,在属性窗V1中把窗体的KeyPreview属性设置为True,然后编写如下程序:

    Dim S1 As String,S2 As String

    Private Sub Form_Load()

    Text1.Text=””

    Text2.Text=””

    TeXt1.Enabled=False

    Text2.Enabled=False

    End Sub

    Private Sub Form_KeyDown(KeyCode As Integer,Shift As Integer)

    S2=S2&Chr(KeyCode)

    End Sub

    Privtee Sub Form_KeyPress(KeyAscii As Integer)

    S1=S1&Chr(KeyAscii)

    End Sub

    Pfivtee Sub Command 1_Click()

    Text1.Text=S1

    Text2.Text=S2

    S1=””

    S2=””

    End Sub

    程序运行后,先后按“a”、“b”、“c”键,然后单击命令按钮,在文本框Text1和Text2中显示的内容分别为( )。

    A.abc和ABC

    B.空白

    C.ABC和abc

    D.出错


    正确答案:A
    解析:KeyPreview属性被设置为True,则一个窗体先于该窗体上的控件接收到此事件。Form. Load事件是窗体载入事件,常用于窗体的初始化,Text1和Text2的属性Enabled设置成false,禁止向文本框里输入。本题中Form_KeyDown,Form_KeyPress事件的作用是将用户按下的按键值分别传给字符串s1、s2,然后通过命令按钮输出。

  • 第2题:

    My mother is a doctor. She is ( ) medicine.

    A. from

    B. at

    C. in


    答案:C

  • 第3题:

    Which command do you use to manually remove antivirus patterns?()

    A. request security utm anti-virus juniper-express-engine pattern-delete

    B. request security utm anti-virus juniper-express-engine pattern-reload

    C. request security utm anti-virus juniper-express-engine pattern-remove

    D. delete security utm anti-virus juniper-express-engine antivirus-pattern


    参考答案:A

  • 第4题:

    Programming is not a simple thing; it ______ a lot of advanced knowledge of mathematics and computer science.

    A. invents

    B. involves

    C. interprets

    D. intends


    参考答案:B

  • 第5题:

    基于IDEA算法()。

    A.S/MIME

    B.SET

    C.PGP

    D.SSL


    正确答案:C

  • 第6题:

    在窗体上画一个命令按钮和两个文本框,其名称分别为Command1、Text1和Text2,在属性窗口中把窗体的KeyPreview属性设置为True,然后编写如下程序: Diln S1 As String,S2 As String Private Sub Form. Load( ) Text1.Text="" Text2.Text="" Text1.Enabled=False Text2.Enabled=False End Sub Private Sub Form. KeyDown(KeyCode As Integer,Shift As Integer) S2=S2&Chr(KeyCode) End Sub Pri vate Sub Form. KeyPress(KeyAscii As Integer) S1=S1&Chr(KeyAscii) End Sub Private Sub Command1 Click( ) Text1.Text=S1 Text2.Text=S2 S1="" S2="" End Sub 程序运行后,先后按“a”、“b”、“c”键,然后单击命令按钮,在文本框Text1和Text2中显示的内容分别为( )。

    A.abc和ABC

    B.空白

    C.ABC和abc

    D.出错


    正确答案:A
    A。【解析】KeyPrtview属性被设置为True,则一个窗体先于该窗体上的控件接收到此事件。Form_Load事件是窗体载入事件,常用于窗体的初始化,Text1和Text2的属性Enabled设置成false,禁止向文本框里输入。本题中Form_KeyDown,Form_KeyPress事件的作用是将用户按下的按键值分别传给字符串s1、s2,然后通过命令按钮输出。