While I was in the university, I learned taking a photo, _____is now very useful for me.
A、it
B、which
C、that
D、what
A、it
B、which
C、that
D、what
While I was skiing,I ______ and broke my wrist.
A.fell
B.felt
C.feel
D.fallen
计算下列程序片段的时间代价:
int i=1;
while(i<=n){
int i=1;
while(j<=n){
int k=1;
while(k<=n){
printf("i=%d,j=%d,k=%d\n",I,j,k);
k=k+1;
j
j=j+1;
}
i=i+1;
}
A.for(; ;);
B.int s=36;while (s){--s;}
C.unsigned int k=0;do{++k;} while (k>=0);
D.int i=100;while(1){i=i%100+1;if (i>100) break;}
A.while(i<=100)
B.while(i<=100)
C.while(i>100)
D.while(i<100)
A.n=10 : s=1 : Do : s=s*i : i=i+1 : Loop While i
B.n=10 : s=1 : i=1 : Do: s=s*i : i=i+1 : Loop While i
C.n=10 : s=1 : i=1 : Do : s=s*i : i=i+1 : Loop while i<=n
D.n=10 : s=1 : i=1 : Do: s=s*i : i=i+1 : loop While i>n
A.As
B.Now that
C.Considering that
D.While
A.or(i=1;i<10;i++)
B.i=1;do{i++;}while(i<=10)
C.i=10;while(i>0){--i;}
D.or(i=2;i<=11;i++)
A.while循环执行10次
B.死循环
C.循环一次都不执行
D.循环执行一次
While I was in the university, I learned taking a photo, () is very useful now for me.
A.it
B.which
C.that
D.what
下列语句段中不是死循环的是()。
A.int i=100 While (1) { i=i%100+1 if(i==20) break; }
B.int i sum=O; for (i=l;;i++) sum=sum +l;
C.int k=0; do { ++K }while(k<=O);
D.int s=3379; while (s+ +%2+3%2)s++;