在骨髓细胞学检查中，粒红比值正常可见于哪种病变

A．多发性骨髓瘤

B．缺铁性贫血

C．急性化脓感染

D．急性溶血性贫血

E．慢性粒细胞性白血病

从括号中选择合适的词填空，使句子正确、完整。

  1.      (Are , Is ) Mary a middle school student ?

  2.      (Do , Does) Jim have a soccer ball ?

  3.      (Do , Does) they have computer games ?

  4.      (Do , Does) Jenny and Gina like sports ?

  5.      (Do , Does) you have a TV set ?

  6. I      (don't , am not) have a basketball .

  7. She      (don't , doesn't) have a brother .

  8. They      (don't , aren't) play volleyball .