题目内容

{干烟叶水分的来源包括哪两个方面?}{

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{简述烟叶具有吸湿性的原因。}{

下列哪个表示方法为按照十进制长整型输出格式:

A. %d
B. %ld
C. %lf
D. %c

main(){int n1 = 72, n2 = 104;printf(“%d %d\n”, n1, n2);printf(“n1=%d,n2=%d\n”, n1, n2);printf(“n1=%c,n2=%c\n”, n1, n2);}上面程序输出结果为:

A. 65 66n1=65,n2=66n1=A,n2=B
B. 72 104n1=72,n2=104n1=72,n2=104
C. 72 104n1=H,n2=hn1=72,n2=104
D. 72 104n1=72,n2=104n1=H,n2=h

main(){int a = 14;float b = 78.87654321;printf(“a=%d,%3d,%x\n”, a,a,a);printf(“b=%f,%lf,%5.4lf,%e\n”, b,b,b,b);}上面程序输出结果为:

A. a=14, 14,fb=78.876541,78.876541,78.8765,7.887654e+001
B. a=14, 14,eb=78.876541,78.876541,78.87654,7.887654e+001
C. a=14, 14,eb=78.876541,78.876541,78.8765,7.887654e+001
D. a=14,14,eb=78.876541,78.876541,78.8765,7.887654e+001

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