人体内主要运输铁的蛋白质是
A.细胞色素类B.肌红蛋白C.血红蛋白D.转铁蛋白E.铁蛋白
参考答案:D
-Tom, do you know David Smith?
-Sure. He is my best friend and our __________ has lasted for years.
A.activities
B.friendship
C.recording
D.hobbies
当年形成的会计档案,在会计年度终了,可暂由本单位财务会计部门保管一年。()