缺铁性贫血的血象特点是（）
A.RBC减少比Hb减少明显
B.粒细胞分叶多
C.MCH=32pg
D.红细胞中央淡染区大
E.粒细胞左移
参考答案：D
器官移植遇到的最大难题是（ ）
A．吞噬作用
B．移植者种族不同
C．移植者性别不同
D．免疫反应
"There is evil in every human heart, which may remain latent, perhaps, through the whole life; but circumstances may rouse it to activity.", which author of the following authors does the mention belong to
A. Washington Irving. B. Ralph Waldo Emerson.C. Nathaniel Hawthorne. D. Walt Whitman.
