Jim _____ likes documentaries. [ ]
A. too
B. also
C. and
D. either
答案:B
男,30岁。乏力、食欲减退1年。Hb90g/L,MCV110fl,MCH36pg,MCHC330g/L。
最可能的病因是()。
A.急性失血性贫血
B.缺铁性贫血
C.尿毒症
D.再生障碍性贪血
E.巨幼细胞贫血