机体主要的排氟途径是（）
A.粪便
B.腺体分泌液
C.泪液
D.头发
E.尿液
参考答案：E
---Excuse me,are these your books?
---Oh,Yes,They are.
---_______.
---Thank you very much.
A Here you are B Here it is C Here are you D They’re here
说明急性白血病与慢性白血病的病理区别要点。
