以下程序用于输出给定三位正整数的逆序数(比如输入123,输出为321),则空白部分应该填写的内容为: n=input("请输入一个三位正整数:") s="" for i in n: ____________ print(s)
A.s=i+s
B.s=s*i
C.s=i*s
D.s=s+i
A.s=i+s
B.s=s*i
C.s=i*s
D.s=s+i
#include
main ()
{ int x=256;
printf (" %d-%d-%d\n " , 【 13 】 ,x/10%10,x/100 ) ;
}
A cylindrical specimen of aluminum having a diameter of 0.505 in.(12.8 mm) and a gauge length of 2.000 in. (50.800mm) is pulled in tension. Use the load-elongation characteristics tabulated below to complete problems a through f. (a)Plot the data as engineering stress versus engineering strain. (b)Compute the modulus of elasticity. (c)Determine the yield strength at a strain offset of 0.002. (d)Determine the tensile strength of this alloy. (e)What is the approximate ductility, in percent elongation?
B、4
C、7
D、无答案
A、3
B、4
C、5
D、6
B、 1 4 7
C、3 5 7
D、3 6 9
A、char s[]="Beijing";
B、char s[20]={"beijing"};
C、char s[20];s="Beijing";
D、char s[20]={'B','e','i','j','i','n','g'};
A、char c[ ]={‘I’,’ ’,’a’,’m’,’ ’,’h’,’a’,’p’,’p’,’y’,’\0 ’};
B、char c[ ]={‘I’,’am’,’happy’};
C、char c[ ]={‘I’,’ ’,’a’,’m’,’ ’,’h’,’a’,’p’,’p’,’y’};
D、char c[ ]={‘I’,’am’,’happy’,’\0’};
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