1 . 下列程序运行的结果是( )
a=1;
b=2;
c=3;
a=b;
b=c;
c=a;
print(%io(2),a,b,c);
a=1;
b=2;
c=3;
a=b;
b=c;
c=a;
print(%io(2),a,b,c);
A.1,2,3 | B.2,3,1 |
C.2,3,2 | D.3,2,1 |
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2 . 任意输入三个赋值变量a,b,c,编写计算
的值的程序.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473a5b0ed8abeb5712549e9d7b78e741.png)
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3 . 执行‘
“
”:
’的输出结果是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e8d979767195c522c98d760ea2e510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5a5d499e1a324f3415c06cacba4987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59373a97fa65a82098710d54902b2e0f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 下列程序若输出的结果为3,则输入的x值可能是( )
INPUT “x=”;x y=x*x+2*x PRINT y END |
A.1 | B.-3 |
C.-1 | D.1或-3 |
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5 . 下列程序运行后,a,b,c的值各等于什么?
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/f450cbf7-4562-4c1d-bfb0-64cf16e50862.png?resizew=246)
(1)___________________________ ; (2)____________________________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/f450cbf7-4562-4c1d-bfb0-64cf16e50862.png?resizew=246)
(1)
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6 . 以下是一个用基本算法语句编写的程序,根据程序画出其相应的程序框图.
![](https://img.xkw.com/dksih/QBM/2017/12/3/1830482856411136/1833420577202177/STEM/f46d7a4a247646c5929e6b9568fe2847.png?resizew=186)
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7 . 已知某水果店的三种水果标价分别为香蕉:4元/千克,苹果:3元/千克,梨:2.5元/千克.店主为了收款的方便设计了一个程序,请将下面的程序补充完整.
INPUT x=4*a y=3*b z=2.5*c S= PRINT S END |
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8 . 下列给出的输入输出语句正确的是 ( )
①输入语句![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c3a4844ad39a719dce810af08f91e7.png)
,
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
②输入语句![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317ab77f08a279e260399163b558c12a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
③输出语句![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751a37fb1be69375759fb3ad8978653b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aebfc2dfb65da760cc0cad8e3299d7.png)
④输出语句![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e8d979767195c522c98d760ea2e510.png)
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8336efd9adf969227fec1b7c0a53adae.png)
①输入语句
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c3a4844ad39a719dce810af08f91e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
②输入语句
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317ab77f08a279e260399163b558c12a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
③输出语句
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751a37fb1be69375759fb3ad8978653b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aebfc2dfb65da760cc0cad8e3299d7.png)
④输出语句
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e8d979767195c522c98d760ea2e510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3696ca6bba81315f1f365c16795ed63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8336efd9adf969227fec1b7c0a53adae.png)
A.①② | B.②③ |
C.③④ | D.①④ |
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9 . 已知程序如图,若a=45,则程序运行后结果是____ .
INPUT a b=a\10 ![]() PRINT b END |
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10 . 对于任意的实数a,b,定义一种运算a*b=a3-a2b+ab2+b3,试设计一个程序,能够验证该运算是否满足交换律.
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