At 10 o’clock last Saturday night I came out from the  1.       

cinema.It was very much cold and the road was covered with snow. 2.      

SuddenlyI saw a woman fall down her bike. She couldn’t 3.     

get up. I ran to her at once and try to help her to sit up.  4.      

She said that her right leg was broken. I was worried about  5.       

when a young policeman came over. He called a taxi. I took  6.    

him to a hospital and telephoned her family about the matter.  7.       

As I saw the woman was good looked after, I said goodbye   8.     

to her.I felt happy I could help the woman but I also hope   9.      

she will be soon getting well on.                       10.        

关于MDS，下列说法错误的是（）

A.可分为原发性和继发性两种

B.多数病人最终可转化为急性白血病

C.骨髓铁染色常显示细胞外铁缺如

D.35％～70％病人有染色体异常

E.多数病例骨髓造血组织过度增生，并有未成熟前体细胞异常定位