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【简答题】
在窗体中有一个名称为run35的命令按钮,单击该按钮从键盘接收学生成绩,如果输入的成绩不在0到100分之间,则要求重新输入;如果输入的成绩正确,则进入后续程序处理。run35命令按钮的Click的事件代码如下: Private Sub run35_Click() Dim flag As Boolean result = 0 flag = True Do While flag result = Val(InputBox("请输入学生成绩:", "输入")) If result >= 0 And result <= 100 Then ___________ Else MsgBox "成绩输入错误,请重新输入" End If Loop Rem 成绩输入正确后的程序代码略 End Sub 有一空白处,需要填入一条语句使程序完成其功能。下列选项中错误的语句是()。 A. flag = False B. flag = Not flag C. flag = True D. Exit Do
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【单选题】You are performing two sums, the first is a sum of two scalar variables and the second is a matrix sum of a pair of two— dimensional arrays—size 1000 by 1000. What speedup is achieved when the calcula...
A.
50
B.
100
C.
999
D.
none of the above
【简答题】At the age of four , our kids began to help us with the housework. They helped __ 1 __ their pets and clean the house. Now Tate can make her bed , __ 2 __ her clothes and set ( 布置 )the table. Last wee...
【简答题】作为幼儿园教师,如何在保教活动中营造良好的心理氛围?(15分)
【简答题】Deborah Sampson was born in Massachusetts , U S in 1760. She was the fifth oldest of the seven children in her family. The family was so poor that the mother sent the kids off to live with friends and...
【单选题】In a paragraph that has the following topic and body, which of the following is a better conclusion. Topic: The best time to take up piano lessons is between ages 4 and 10. Body: At this age, kids mem...
A.
All in all, if kids are interested in piano, parents should encourage them to take up piano lessons at an early age.
B.
In conclusion, next Lang Lang might be your kid!
C.
By the time they enter high school, they can no longer concentrate on piano lessons.
【判断题】软件体系结构为软件系统提供了一个结构、行为和属性的高级抽象,由构成系统的元素的描述、这些元素的相互作用、指导元素集成的模式以及这些模式的约束组成。软件体系结构不仅指定了系统的组织结构和拓扑结构,并且显示了系统需求和构成系统的元素之间的对应关系,提供了一些设计决策的基本原理。
A.
正确
B.
错误
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