在双向链表中删除指针p所指的结点(pre和next，是结点的指针域，pre指向结点的前驱，next指向结点的后继)，则需要执行( )。 A: p↑．next：=p↑．pre；p↑．pre：=p； B: p↑．next↑．pre：=p↑．pre；p↑．pre↑．next：=p； C: p↑．pre：=p↑．next；p↑．next=p↑．pre； D: p↑．pre↑．next：=p↑．next；p↑．next↑．pre：=p↑．pre；
在双向链表中删除指针p所指的结点(pre和next，是结点的指针域，pre指向结点的前驱，next指向结点的后继)，则需要执行( )。 A: p↑．next：=p↑．pre；p↑．pre：=p； B: p↑．next↑．pre：=p↑．pre；p↑．pre↑．next：=p； C: p↑．pre：=p↑．next；p↑．next=p↑．pre； D: p↑．pre↑．next：=p↑．next；p↑．next↑．pre：=p↑．pre；
Sale by sample includes 3 cases, i.e., sale by the ______ , sale by the ______ and sale by the ______ .
Sale by sample includes 3 cases, i.e., sale by the ______ , sale by the ______ and sale by the ______ .
〈center〉…〈/center〉是 标记 而〈pre〉…〈/pre〉是 标记。
〈center〉…〈/center〉是 标记 而〈pre〉…〈/pre〉是 标记。
When is the sale over?<br/>—( ) A: It’s only on sale for today. B: The sale is great. C: The sale attracts many people. D: The sale is in downtown.
When is the sale over?<br/>—( ) A: It’s only on sale for today. B: The sale is great. C: The sale attracts many people. D: The sale is in downtown.
A yard sale, a garage sale and a moving sale are hold for different purpose.
A yard sale, a garage sale and a moving sale are hold for different purpose.
23. Sale by sample includes sale by seller’s sample, sale by buyer’s sample and sale by duplicate sample.
23. Sale by sample includes sale by seller’s sample, sale by buyer’s sample and sale by duplicate sample.
When is the sale?The sale is from __________ to __________.
When is the sale?The sale is from __________ to __________.
36. The bread ________ is hard and green, though the same price as a week ago. A: in sale B: off sale C: upon sale D: on sale
36. The bread ________ is hard and green, though the same price as a week ago. A: in sale B: off sale C: upon sale D: on sale
在循环双链表的p所指结点之后插入s结点的操作是（ ） A: p->next=s; s->pre=p; p->next->pre=s; s->next=p->next; B: p->next=s; p->next->pre=s; s->pre=p; s->next=p->next; C: s->pre=p; s->next=p->next; p->next->pre=s; p->next=s; D: s->pre=p; s->next=p->next; p->next=s; p->next->pre=s;
在循环双链表的p所指结点之后插入s结点的操作是（ ） A: p->next=s; s->pre=p; p->next->pre=s; s->next=p->next; B: p->next=s; p->next->pre=s; s->pre=p; s->next=p->next; C: s->pre=p; s->next=p->next; p->next->pre=s; p->next=s; D: s->pre=p; s->next=p->next; p->next=s; p->next->pre=s;
在循环双链表的p所指结点之后插入s结点的操作是（ ） A: p->next=s; s->pre=p; p->next->pre=s; s->next=p->next; B: p->next=s; p->next->pre=s; s->pre=p; s->next=p->next; C: s->pre=p; s->next=p->next; p->next->pre=s; p->next=s; D: s->pre=p; s->next=p->next; p->next=s; p->next->pre=s;
在循环双链表的p所指结点之后插入s结点的操作是（ ） A: p->next=s; s->pre=p; p->next->pre=s; s->next=p->next; B: p->next=s; p->next->pre=s; s->pre=p; s->next=p->next; C: s->pre=p; s->next=p->next; p->next->pre=s; p->next=s; D: s->pre=p; s->next=p->next; p->next=s; p->next->pre=s;