下列符合真性红细胞增多症血象检查的是（）

A.男Hb＞180g/L，RBC＞6.5×10⁹/L；女Hb＞170g/L，RBC＞6.0×10⁹/L

B.HCT增高，男＞0.50，女＞0.45

C.无感染及其他原因引起白细胞计数多在（12～30）×10⁹/L

D.外周血中性粒细胞碱性磷酸酶（NAP）积分减低至0

E.血小板计数增高达（400～500）×10⁹/L

Why do I want to go to college No one has ever asked me  （1）  a question. But many times I have asked myself. I have（2）a whole variety of reasons.  （3） important reason is that I want to be a better man.Many things make human beings different  （4）or better than or even superior to animals.One of the most important things is（5）. If I fail to receive higher education, my education.（6） As I want to be a fully  （7）man, I must get a well-rounded education, which good colleges and universities are supposed to （8）. I know one can get educated in many ways, but colleges and universities are（9）the best places to teach me how to educate myself. Only when I am well-educated, will I be a better human being and（10） fit into society.

第（4）空应选择（）

A. to       

B. around    

C. between      

D. from