Paul will leave for London next Tuesday. -But unless he( ) next Monday, he’ll be late.A. leavesB. will leaveC. leftD. has left

Paul will leave for London next Tuesday. -But unless he( ) next Monday, he’ll be late.

A. leaves

B. will leave

C. left

D. has left


相关考题:

在循环双链表的p结点之后插入s结点的操作是______。A.p→next=s;p→next→prior=s;s→prior=p;s→next=p→next;B.s→!next=p;s→next=p→next;p→next=s;p→next→prior=s;C.p→next=s;s→prior=p;p→next→prior=s;s→next=p→next;D.s→prior=p;s→next=p→next;p→next→prior=s;p→next=s;

在循环双链表的p节点之后插As节点的操作是______。A.p→next=s; p→next→prior=s; s→prior=p; s→next=p→next;B.s→next=p; s→next=p→next; p→next=s; p→next→prior=s;C.p→next=s; s→prior=p; p→next→prior=s; s→next=p→next;D.s→prior=p; s→next=p→next; p→next→prior=s; p→next=s;

在循环双链表的p结点之后插入s结点的操作是______。A.p→next=s; p→next→prior=s; S→prior=p; S→next=p→next;B.s→next=p; s→next=p→next; p→next=s; p→next→prior=s;C.p→next=s; s→prior=p; p→next→prior=s; s→next=p→next;D.s→prior=p; s→next=p→next; p→next→prior=s; p→next=S;

在单链表中,删除p所指结点的直接后继的操作是 ( )A.p—>next=p—>next—>next;B.p=p—>next;p—>next=p—>next—>next;C.p—>next=p—>next;D.p=p—>next—>next;

在循环双链表的p节点之后插入s节点的操作是______。A.p→next=s; p→next→prior=s; s→prior=p; S→next=p→next;B.s→next=p; s→next=p→next; p→next=S; p→next→prior=s;C.p→next=s; s→prior=p; p→next→prior=s; s→next=p→next;D.s→prior=p; s→next=p→next; p→next→prior=s; p→next=s;

When a teacher says "Next, please pay attention to the time of arrival and departure of the planes in the recording ." he/she intends to develop the students' skill of __________.A.predictingB.getting the general picturesC.distinguishing soundsD.getting specific information

When a teacher says "Next, please pay attention to the time of arrival and departure of the planes in the recording.", he/she intends to develop students' skill of__________.A.predictingB.getting the general pictureC.distinguishing soundsD.getting specific information

在一个双向链表中,若删除p所指结点的后继结点,应执行:A.p->next=p->next->next; p->next->next->prior=p;B.p=p->next; p->next=p->next->next;C.p->next=p->next;p->prior=p->next->prior;D.p->next->next->prior=p; p->next=p->next->next;

【单选题】7. 对于一个头指针为head的带头结点的单链表,判定该表为空表的条件是()。A.head→next==NULL;B.head==NULL;C.head→next==he;D.head!=NULL;

55、带头结点的双向循环链表L为空的条件是()。A.L==NULLB.L->next->prior==NULLC.L->prior==NULLD.L-> next==L L->prior==L