【单选题】Positive nitrogen balance is seen in
C.
Intestinal malabsorption
【判断题】根据四象限法则,第四象限是不重要不紧急的事。
【单选题】The gaseous oxides of nitrogen have positive enthalpy changes of formation.Which factor is likely to make the most significant contribution to these enthalpy changes?
A.
the high bond energy of the nitrogen molecule, N2
B.
the high electron affinity of nitrogen atoms
C.
the high electron affinity of oxygen atoms
D.
the similarity of the electronegativities of oxygen and nitrogen
【单选题】Which of the following state is positive nitrogen balance?
C.
people suffer from fever
D.
people suffer form long-time hunger
【判断题】根据四象限法则,第三象限是不重要不紧急的事。
【判断题】The nitrogen atom in the compound below has a positive charge: