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函数是一个子模块，它可以返回一个值。A function is a subroutine that returns a value.
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函数是一个子模块，它可以返回一个值。A function is a subroutine that returns a value.
A.正确
B.错误
正确答案：正确
Tag：
程序设计基础
函数
模块
时间：2022-01-06 19:26:56
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全局变量的有效范围不是整个程序。The scope of global variables is not the whole program.
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内置函数是由编程语言提供的，使用它的时候不需要包含其代码。Built-in functions are provided by programming languages, and do not need to contain their code when using them.
相关答案
1.
变量在程序中的可用范围称为该变量的作用域。The scope of a specific variable used in a program is called the scope of the variable.
2.
如果数据从被调函数传递到主程序，那么可以称为数据被返回到或导出到主程序。If the data is passed from the subprogram to the main program, it can be said that the data is returned to or exported to the main program.
3.
语句：Display ToUpper(Yes)是不允许的，因为“Y”已经是大写了。Statement: Display ToUpper (Yes) is not allowed because Y is capitalized.
4.
ToUpper（）函数和ToLower（）函数可以作用于任何类型的变量。ToUpper （） and ToLower （） functions can act on any type of variable.
5.
按引用专递的被调函数中形参的变化将导致调用函数中相应实参的变化。Changes in reference parameters in subroutines will result in changes in the corresponding arguments in the calling module.
6.
按值传递的被调函数中形参的变化将导致主调函数中相应实参的变化。The change of the parameter value in the subroutine will result in the change of the corresponding argument in the calling module.
7.
计算如下表达式的值：int(3.9)。Calculate the value of the following expression: int(3.9).a. 1b. 2c. 3d. 4
8.
计算如下表达式的值：Sqrt(4)。Calculate the value of the following expression: Sqrt (4).a. 1b. 2c. 3d. 4
9.
使用 Floor（） 函数和使用 Int（） 函数的效果不一样。The effect of using Floor （） function and Int （） function is different.
10.
对数据进行验证（validate），意思是指保证数据在合适的范围之内。Validate data means to ensure that the data is within the appropriate range.
热门答案
1.
如果For循环的增量是正的，那么当初值大于终值时，循环体不会被执行。If the increment of the For loop is positive, then the loop body will not be executed when the initial value is greater than the final value.
2.
如果循环增量为负值，则For循环中计数变量的值会在每次循环时递增。If the loop increment is negative, the value of the count variable in the For loop will increase every time.
3.
两个不相交循环不能够嵌套在第三个循环中。Two disjoint loops cannot be nested in the third loop.
4.
While循环不能够嵌套在For循环中。The While loop cannot be nested in the For loop.
5.
如果一个For循环嵌套在另一个循环中，此时两个循环的边界值必须是不一样的。If a For loop is nested in another loop, then the boundary values of the two loops must be different.
6.
如果一个For循环嵌套在另一个循环中，两个循环的计数器变量应该是不一样的。If a For loop is nested in another loop, the counter variables of the two loops should be different.
7.
如果Number=7，下列命题为真。If Number = 7, point out the truth or false of the following expressions.Sqrt(Number*Number ) == Int(Sqrt(Number*Number))
8.
如果Number=7，下列命题为真。If Number = 7, point out the truth or false of the following expressions.Sqrt(Number) == Int(Sqrt(Number))
9.
如果Number是整型变量，MyString=One potato，那么下列语句执行之后，Number=3：If Number is an integer variable and MyString= One potato, then Number = 3 after the following statement is executed.Number = Length（）Of(MyString)
10.
如果Number是整型变量，那么下面语句执行之后，Number=5。If Number is an integer variable, Number = 5 after the following statement is executed.Number = Length（）Of(“Wow!)