A.mechanization is not yet introduced in some areas for economic reasons
B.human and animal labour in some areas are less expensive
C.culture is not a factor in obstacling the introduction of mechanization
D.different kinds of mechanized farming tools are used in different cultures
第2题
A.front=front->next
B.rear= rear->next
C.rear->next=front
D.front->next=rear
第3题
在一个链队列中,假定front和rear分别为队首和队尾指针,则删除一个节点的操作为()。
A.front=front→next
B.rear=rear→next
C.rear=front→next
D.front=rear→next
第4题
A.front==rear && front !=null
B.front==rear
C.front==rear && rear !=null
D.front!=rear
第5题
若链队列的队头指针和队尾指针分别为front和rear,则从队列中删除一个结点的操作是_______。
A.p=front;rear=p一>next;free(p);
B.p=rear;front=p;free(p);
C.p=front;front=P一>next;free(p);
D.p=rear;front=P一>next;free(p);
第6题
A、front=front->next
B、rear=rear->next
C、rear=front->next
D、front=rear->next
第7题
第8题
A.front=front->next;
B.rear=rear->next;
C.rear=front->next;
D.front=rear->next ;
第9题
A.front.next=front.next.next
B.rear=rear.next
C.rear=front.next
D.front= front.next
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