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【单选题】
What is one of the major scientific challenges when it comes to yzing the presence of tipping points and determining whether a particular threshold has been crossed?(Please select one answer)窗体顶端
A.
The scientific tools for detecting thresholds are very basic, which means that it is impossible to accurately detect tipping points
B.
Scientific uncertainty. Some parts of the earth system appear to be much more resilient than previously thought, while other parts of the earth system are providing indications that they are in fact less resilient and may even have crossed a tipping point
C.
All identified thresholds leading to tipping points in the earth system have been crossed and the challenge is to address the implications
题目标签：窗体
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】在窗体模块的通用部分有一条语句"Public A As Integer"，则变量A的作用域是( )。
A.
局部变量
B.
窗体/模块级变量
C.
全局变量
D.
静态变量
【单选题】单选题 窗体顶端 题目: 物流合同一般的审核程序是 选项:
A.
部门经理审核 -财务经理审核-法务部门审核
B.
财务经理审核 -部门经理审核-法务部门审核
C.
法务部门审核 -财务经理审核-部门部门审核
D.
财务经理审核 -法务部门审核 -部门经理审核
【单选题】假定窗体的名称( Name属性)为Form1,则把窗体的标题设置为“VB Test”的语句 是( )
A.
Form1= “ VB Test ”
B.
Caption= “ VB Test ”
C.
Caption= “ VB Test ”
D.
Form1.Text= “ VB Test ”
E.
Form1.Text= “ VB Test ”
F.
Form1.Name= “ VB Test ”
G.
Caption= “ VB Test ”
H.
Form1.Text= “ VB Test ”
【单选题】在窗体上放置一个文本框Text1,编写下列事件过程: Private Sub Form Load() Text1 = "" Text1.SetFocus For i = 1 To 10 s = s + i Next i Text1 = s End Sub 程序运行时,( )。
A.
Text1中显示55
B.
Text1中显示空白
C.
Text1中显示“Text1”
D.
出错
【单选题】设窗体上有3个按钮Cmd1、Cmd2和Cmd3,如下代码的功能是( )。 Private Sub Cmd1_Click() Cmd2.Enabled=False Cmd3.Enabled=False End Sub
A.
当单击按钮 Cmd1 时,按钮 2 和按钮 3 都不可用
B.
当单击按钮 Cmd1 时,按钮 2 和按钮 3 都不可见
C.
当单击按钮 Cmd1 时,按钮 2 不可用和按钮 3 不可见
D.
当单击按钮 Cmd1 时,按钮 2 不可见和按钮 3 不可用