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【单选题】
检测细胞免疫功能的常用体内试验是A.
E玫瑰花环试验
B.
结核菌素试验
C.
抗毒素皮肤试验
D.
中和试验
E.
淋巴细胞转化试验
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反馈参考答案：
举一反三
【单选题】The electron configuration of a neutral atom is 1s 2 2s 2 2p 6 3 s 2 3p 6 4 s 2 , t he element is
A.
K
B.
Ca
C.
Sc
D.
Mn
【单选题】What is the primary purpose of PepsiCo ’ s s ustainable a griculture s upport p olicy ?
A.
T o secure their supply chain into the future;
B.
To fulfill the company ’ s social responsibility;
C.
To gain good reputation for the company;
【单选题】In a singly linked list, a given node by a pointer q pointing is a successor(后继) of the node that is pointed by p pointer, if inserting a node s into p and q, then ( )need to be accomplished.
A.
s->next=q; p->next=s;
B.
p->next=s->next; s->next=p;
C.
q->next=s->next; s-next=p;
D.
p->next=s; s->next=q;
【单选题】A company that is losing money will have a P/E ratio of what?______.
A.
Negative P/E
B.
Very small P/E
C.
It does not have a P/E
D.
None of the above
【单选题】The correct operation for inserting a pointer of a node S after a pointer P in a single linked list is: ( ).
A.
s->link=p->link; p->link=s;
B.
p->link=s; s->link=p->link;
C.
p->link=s; p->link=s->link;
D.
p->link=s->link; p->link=s;
【单选题】The number of "Quayle in 96" buttons demanded on a certain university campus is given by D(p) = 100-p; where p is the price of buttons measured in pennies. The supply function is S(p) = p. The current...
A.
an increase of $5.50.
B.
an increase of $3.50.
C.
no change
D.
a decrease of $3.50.
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