4 What’s the difference ____ ‘bye’ and ‘goodbye’? ~ ‘Bye’ is more informal.
Das ________ Jakob und Emma. Sie lernen Deutsch.
Emma schenkt ________.
Emma wünscht Jakob alles Gute ________ Geburtstag.
4 say goodbye at 11.00 p.m.? ____ ____
读程序,并回答问题:程序行(40)执行了多少次?次数为_____。1. (10) K = 0;2. (20) I = 2;3. (30) While (I<=8)4. (40) { K = K + I;5. (50) I = I + 2;}
设有如下函数定义:int f(char s[]){ int i = 0;while(s[i++] != ' ');return (i-1);}如果在主程序中用下面的语句调用上述函数,则输出结果为_____。printf('%d ', f('goodbye!'));
下面程序的运行结果是__________。char a[2][6]={\Sun\,\Moon\};int i,j,len[2];for(i=0;i<2;i++){for(j=0;j<6;j++)if(a[i][j]==’\\0’){len[i]=j;break;}if(i!=1)printf(“%s:%d\\\\”,a[i],len[i]);elseprintf(“%s:%d\\n”,a[i],len[i]);}
len({(i,2*i) for i in range(5)})的值是_________。
Sit down, Emma. You will only make yourself more tired, ______ on your feet.
It was about 30seconds before Alex ___From the water. We were quite scared.
方法boolean isPrime(int n)的功能是判断正整数n(n>1)是否为质数。static boolean isPrime(int n) {int i;if(n==2)return true;if(n%2==0)return false;for(i=3;i*i<=n;i+=2)if(_________) break;if(_________) return true;return false;}
排列 i 1 i 2 … i n 可经 ______ 次对换后变为排列 i n i n - 1 … i 2 i 1 .
下列程序段的执行结果是 ________ 。 Dimension a(8) a(1)=1 a(2)=1 for i=3to 8 a(i)=a(i-1)+a(i-2) next
Emma: We're out of cream and sugar today. Roy: ______
标有/* * /的语句的执行次数是______。 int y,i; for(i=0 ; i<20 ; i++) { if (i%2==0) continue;
Frank plays______tennis Alex.
Will you have some dessert, Alex?_______
以下程序运行后,输出结果为______。 main() {int y=18,i=0 j,a[8]; do { a[i]=y%2; i++; y=y/2; }
4、下面程序段运行后,i的值为_________。 Dim i as Integer i = 4 Do i = i + 2 Loop While i < 10
以下程序的运行结果是________。 include int workover() { i=i<=2 5:0; return i; }
以下程序是计算s=1-1/2+1/4-1/6+1/8+...+1/n的和,请填空。 double fun(int n) { double s=1.0,fac=1.0;int i; for(i=2;i<=n;i+=2) { fac=-fac; s=s+ ___________; } return s; }
----- What made you so upset? -----_____ my house _____ saying goodbye.
以下的输出结果是____i=5;i=++i*4+2;