In the last paragraph ,a problem commercial genetic testing faces is __________.
[A]disorganized data collection
[B] overlapping database building
第1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2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,不正确的操作是____。
A.s->next=NULL, last->next=s,last=s;
B.s->next=NULL, last->next=s, s=last;
C.last->next=s,s->next=NULL,last=s;
D.last->next=s,last=s,last->next=NULL;
第4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;
第5题:
2、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;
第6题:
对孤立体系而言,其熵流(deS)和熵产生(diS)分别是: ()
A.deS=0, diS<0
B.deS<0, diS=0
C.deS=0, diS≥0
D.deS≥0, diS=0