可能使真性红细胞增多症患者转化为白血病的治疗是
A.化学治疗
B.静脉放血
C.干扰素
D.放射形核素磷治疗
E.药物治疗
参考答案：D
A．( He was at a news conference
B．( He was on a business trip
C．( He was traveling with the company’s CEO
D．( He was negotiating with a New York agent
出血可由气的哪种功能减退引起（）
A.推动作用
B.温煦作用
C.固摄作用
D.防御作用
E.气化作用
