20.I have nothing to do with the matter, ________? A: have I B: has it C: do I D: does it

20.I’m afraid you’ll have to ____________ his bad temper. A: blow up B: put up with C: put with D: stand with

以下能计算1-20的所有偶数之和的程序有： A: i=1s=0while i<=20: s=s+i i=i+2 B: i=2s=0while i<=20: s=s+i i=i+2 C: i=1s=0while i<=20: if i%2==0: s=s+i i=i+1 D: i=1s=0while i<=20: if i%2==0: s=s+i i=i+1

利用一维数组求斐波那契数列的前20个数,补充完整以下程序。 #include void main() { int i, f[20]={1,1}; for(i=2;i<20;i++) _________①__________; for(______②_____;i<20;i++) printf("%12d",f[i]); }

以下程序以每一行输出4个数据的形式输出a数组,请填空。 main() { int a[20],i; for(i=0;i<20;i++) scanf("%d", ____); for(i=0;i<20;i++) { if (____) printf(" "); printf("%3d",a[i]); } printf(" "); }

《真希望我20几岁就知道的事》(What I Wish I Knew When I Was 20) 是（）的著作。

下列for循环语句书写格式中，错误的是： A: i=9; for(;i<20;i++) {...... } B: for(i=9;i<20;i++) {...... } C: i=9;for(;i>=1;) { i--; } D: for(i=9;i>1;i--); {...... }

for i in range(20)和for i in range(20, 40)的循环次数相同。 A: 错 B: 对

Choose the best sentence for a cover letter. A: I made sales go up by 20%. B: I increased sales by 20%. C: Sales were increased by 20% by me. D: The sales were bumped up 20% while I worked there.

下列循环语句中,哪个的循环次数不是5次。 A: for( i=1;i<=5;i++) B: for( i=2;i<=10;i=i+2) C: i=10; while(i<=20) i=i+2; D: i=20; while(i>=0) i--;