下列几种情况中，与酮病的病因关系最密切的是（）。
A.维生素A缺乏
B.胆碱缺乏
C.生物素缺乏
D.糖供给不足
E.甲状腺功能低下
参考答案：D
根据汉语提示完成单词。
1．I (意识到)that it doesn't matter if you trouble him. Because he is a kind man.
2. They are talking about learning the (挑战)．
3. (或许)the policeman knows where she is．
4. At last, the student understood the meaning of the story____(完全地):
5．Our teachers are very____(感动)．
如何认识货币和信用的关系？
