【单选题】某NPN型三极管各个电极的对地电位分别为集电极6V,基极2V,发射极0V,可判断其工作状态是
【单选题】单选:社会主义初级阶段党的中心工作是( )
【单选题】已知head是指向带头结点单链表的首指针,则删除线性表第一个实际结点(首结点)的操作是()
A.
p=head,head=p->next;free(p);
B.
p=head->next;free(p);head=head->next;
C.
p=head->next,head->next=p->next;free(p);
D.
free(head->next);head=head->next;
【单选题】Which logical fallacy does the following statement belong to?This term a boy from Japan comes to our school. He is very polite.It seems that all Japanese students are polite.
【单选题】安静时细胞膜内K+向膜外移动是由于(_ ).