原发性甲状旁腺功能减退症与原发性骨质疏松症的区别是()
A.尿磷/肌酐降低
B.血钙降低
C.为PTH缺乏引起
D.血磷升高
E.PTH降低
参考答案:A, B, C, D, E
Only after you finish your homework ______TV.
A.you are allowed to watch
B.are you allowed to watch
C.are you allowed watching
D.can you be able to watch
洗涤塔充氮置换合格后可以直接与气化炉连通。