The underlined word “rainbow” in the last paragraph refers to ______.
A. the rainbow in the sky.
B. the stripes on the pavement
C. something imaginative and fun
D. important lessons learned in childhood
第1题:
第2题:
7、已知last指向单向简单链表的尾结点,将s所指结点加在表尾,正确的操作是____。
A.s->next=s,last=s,last->next=NULL;
B.last->next=s,s->next=NULL,last=s;
C.s->next=NULL, last->next=s, s=last;
D.s->next=last, last->next=NULL,last=s;
第3题:
已知last指向单向简单链表的尾结点,将s所指结点加在表尾,正确的操作是____。
A.s->next=s,last=s,last->next=NULL;
B.last->next=s,s->next=NULL,last=s;
C.s->next=NULL, last->next=s, s=last;
D.s->next=last, last->next=NULL,last=s;
第4题:
已知last指向单向简单链表的尾结点,将s所指结点加在表尾,不正确的操作是____。
A.last->next=s,last=s,last->next=NULL;
B.last->next=s,s->next=NULL,last=s;
C.s->next=NULL, last->next=s, s=last;
D.s->next=NULL, last->next=s,last=s;
第5题:
已知last指向单向简单链表的尾结点,将s所指结点插入在表尾,正确的操作是____。
A.s->next=s,last=s,last->next=NULL;
B.last->next=s,s->next=NULL,last=s;
C.s->next=NULL, last->next=s, s=last;
D.s->next=last, last->next=NULL,last=s;