This is our ____________. [ ]
A. playground
B. canteen
C. garden
答案:C
重型地中海贫血患儿输血宜首选()
A.浓缩红细胞
B.少白细胞的红细胞
C.洗涤红细胞
D.冰冻红细胞
E.年轻红细胞