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阅读下列程序: 输入x; if x<0,then y=; else if x>0...
阅读下列程序:
输入x;
if x<0,then y=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095942012177804/SYS201311030959420121778005_ST/0.png)
;
else if x>0,then y=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095942012177804/SYS201311030959420121778005_ST/1.png)
;
else y=0;
输出 y.
如果输入x=-2,则输出结果y为( )
A.3+π
B.3-π
C.π-5
D.-π-5
考点分析:
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给出计算
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的值的一个程序框图如图,其中判断框内应填入的条件是( )
A.i>10
B.i<10
C.i>20
D.i<20
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在下图中,直到型循环结构为( )
A.
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B.
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C.
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D.
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将两个数a=8,b=17交换,使a=17,b=8,下面语句正确一组是( )
A.
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B.
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C.
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D.
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为了在运行下面的程序之后得到输出16,键盘输入x应该是( )
INPUT x
IF x<0 THEN
y=(x+1)(x+1)
ELSE
y=(x-1)(x-1)
END IF
PRINT y
END.
A.3或-3
B.-5
C.5或-3
D.5或-5
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如图的程序框图,能判断任意输入的整数x的奇偶性:其中判断框内的条件是( )
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A.m=0
B.x=0
C.x=1
D.m=1
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